Social Vulnerability Index Recalculation

The Social Vulnerability Index Recalculation is based on the important work of the federal Centers for Disease Control. With the future of that index in doubt, the same federal datasets and methodologies were used to carry the index forward.

The most recent SVI uses the 2022 American Communities Survey as its base. This recalculation matches the 2022 baseline 100 percent. The 2022 methodologies form the basis of the updated calculations for subsequent ACS vintages. This platform will run updates on all new ACS releases.

Should the SVI be updated with changed methodologies, this platform will update to match, while preserving the 2022 methodologies for comparison purposes.

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Sussex County — Social Vulnerability Index

Unofficial CDC-method recomputation, 2020–2024 ACS 5-year
Sussex County — Social Vulnerability Index by census tract
Tract 501.01 — 25 (Lower-middle)Tract 501.03 — 36 (Middle)Tract 501.04 — 95 (Higher)Tract 501.05 — 67 (Upper-middle)Tract 502.00 — 66 (Upper-middle)Tract 503.02 — 86 (Higher)Tract 503.03 — 71 (Upper-middle)Tract 503.04 — 75 (Upper-middle)Tract 504.01 — 62 (Upper-middle)Tract 504.03 — 68 (Upper-middle)Tract 504.05 — 75 (Upper-middle)Tract 504.06 — 100 (Higher)Tract 504.07 — 83 (Higher)Tract 504.08 — 79 (Higher)Tract 505.01 — 82 (Higher)Tract 505.03 — 97 (Higher)Tract 505.05 — 54 (Middle)Tract 505.06 — 80 (Higher)Tract 506.01 — 84 (Higher)Tract 506.03 — 64 (Upper-middle)Tract 506.04 — 93 (Higher)Tract 507.01 — 76 (Higher)Tract 507.03 — 82 (Higher)Tract 507.06 — 29 (Middle)Tract 507.07 — 28 (Middle)Tract 507.08 — 26 (Lower-middle)Tract 507.09 — 15 (Lower)Tract 507.10 — 74 (Upper-middle)Tract 507.11 — 69 (Upper-middle)Tract 508.01 — 59 (Upper-middle)Tract 508.04 — 22 (Lower-middle)Tract 508.05 — 23 (Lower-middle)Tract 508.06 — 26 (Lower-middle)Tract 508.07 — 60 (Upper-middle)Tract 508.08 — 35 (Middle)Tract 509.03 — 56 (Middle)Tract 509.04 — 63 (Upper-middle)Tract 509.05 — 23 (Lower-middle)Tract 510.08 — 33 (Middle)Tract 510.09 — 13 (Lower)Tract 510.10 — 16 (Lower-middle)Tract 510.11 — 33 (Middle)Tract 510.12 — 16 (Lower-middle)Tract 510.13 — 27 (Middle)Tract 510.14 — 21 (Lower-middle)Tract 510.15 — 10 (Lower)Tract 510.16 — 14 (Lower)Tract 510.17 — 16 (Lower)Tract 511.01 — 25 (Lower-middle)Tract 511.02 — 24 (Lower-middle)Tract 511.03 — 11 (Lower)Tract 512.01 — 19 (Lower-middle)Tract 512.02 — 5 (Lower)Tract 512.03 — 2 (Lower)Tract 512.04 — 1 (Lower)Tract 512.05 — 9 (Lower)Tract 513.02 — 37 (Middle)Tract 513.07 — 20 (Lower-middle)Tract 513.08 — 7 (Lower)Tract 513.09 — 32 (Middle)Tract 513.10 — 9 (Lower)Tract 513.11 — 5 (Lower)Tract 513.12 — 8 (Lower)Tract 513.13 — 18 (Lower-middle)Tract 513.14 — 17 (Lower-middle)Tract 514.00 — 65 (Upper-middle)Tract 515.01 — 87 (Higher)Tract 515.02 — 42 (Middle)Tract 517.01 — 41 (Middle)Tract 517.02 — 53 (Middle)Tract 518.01 — 88 (Higher)Tract 518.02 — 93 (Higher)Tract 519.00 — 70 (Upper-middle)Tract 9800.00 — no data (unmeasured)
Where this is
Shading: Overall SVI Percentile
Lower (1 to 16)Lower-middle (16 to 26)Middle (27 to 56)Upper-middle (59 to 75)Higher (76 to 100)No data
Each unit is shaded by its Overall SVI Percentile value and grouped into equal-count bands (quantiles) against the other units shown — lighter = lower, darker = higher. It ranks position among the units in view; it does not grade places, and the ranges shift with which units are shown.
The map is bounded to this parent geography — it shows the selected unit among its own siblings only, the same depth rule the drill-down uses. Shading ranks position on the measure among the units shown; it does not grade places.

Click a tract to see its overall percentile and theme scores.

Median tract: 36th percentile (among tracts in DE).
These tracts span the 1st percentile to the 100th percentile. The width of that range is the internal disparity.
Well above the median12 (16%) · 60,723 people
Above the median17 (23%) · 63,189 people
Near the median6 (8%) · 23,557 people
Below the median18 (25%) · 63,873 people
Well below the median20 (27%) · 44,284 people
Widest spread across these tracts: Socioeconomic Status — this theme most separates the higher- and lower-ranked tracts here.
The SVI ranks each tract's position relative to a comparison set; it is not averaged into one number for the area, because percentiles do not average meaningfully. The distribution — median, range, and shape below — is the summary.
Well above the median — 12 tracts (80th–100th percentile)
Tract 504.06 (pop. 5,099) — 100th percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (well above), Racial & Ethnic Minority Status (well above) and Housing Type & Transportation (well above).
Tract 505.03 (pop. 6,322) — 97th percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (above), Racial & Ethnic Minority Status (well above) and Housing Type & Transportation (well above).
Tract 501.04 (pop. 5,685) — 95th percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (well above).
Tract 518.02 (pop. 4,045) — 93rd percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status.
Tract 506.04 (pop. 4,993) — 93rd percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (well above).
Tract 518.01 (pop. 6,344) — 88th percentile — Well above the median
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status.
Tract 515.01 (pop. 3,110) — 87th percentile — Well above the median
Driven by Socioeconomic Status (well above), Household Characteristics (above) and Racial & Ethnic Minority Status (well above); near the median on Housing Type & Transportation.
Tract 503.02 (pop. 5,866) — 86th percentile — Well above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status.
Tract 506.01 (pop. 6,319) — 84th percentile — Well above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above) and Housing Type & Transportation (well above); near the median on Racial & Ethnic Minority Status.
Tract 504.07 (pop. 6,419) — 83rd percentile — Well above the median
Driven by Socioeconomic Status (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (well above); near the median on Household Characteristics.
Tract 507.03 (pop. 2,123) — 82nd percentile — Well above the median
Driven by Socioeconomic Status (well above) and Household Characteristics (well above); near the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 505.01 (pop. 4,398) — 82nd percentile — Well above the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (well above); near the median on Socioeconomic Status; below the median on Racial & Ethnic Minority Status.
Above the median — 17 tracts (60th–80th percentile)
Tract 505.06 (pop. 3,419) — 80th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status.
Tract 504.08 (pop. 4,149) — 79th percentile — Above the median
Driven by Socioeconomic Status (well above) and Household Characteristics (well above); near the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 507.01 (pop. 4,953) — 76th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (above) and Housing Type & Transportation (well above); below the median on Racial & Ethnic Minority Status.
Tract 503.04 (pop. 4,333) — 75th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status.
Tract 504.05 (pop. 5,482) — 75th percentile — Above the median
Driven by Socioeconomic Status (well above) and Household Characteristics (above); near the median on Racial & Ethnic Minority Status; below the median on Housing Type & Transportation.
Tract 507.10 (pop. 2,605) — 74th percentile — Above the median
Driven by Socioeconomic Status (well above), Household Characteristics (above) and Housing Type & Transportation (above); below the median on Racial & Ethnic Minority Status.
Tract 503.03 (pop. 3,301) — 71st percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (well above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 519.00 (pop. 4,898) — 70th percentile — Above the median
Driven by Household Characteristics (above) and Housing Type & Transportation (well above); near the median on Socioeconomic Status; below the median on Racial & Ethnic Minority Status.
Tract 507.11 (pop. 1,188) — 69th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above) and Housing Type & Transportation (above); below the median on Racial & Ethnic Minority Status.
Tract 504.03 (pop. 3,374) — 68th percentile — Above the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 501.05 (pop. 5,818) — 67th percentile — Above the median
Driven by Household Characteristics (well above); near the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 502.00 (pop. 4,239) — 66th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (above) and Racial & Ethnic Minority Status (above); near the median on Housing Type & Transportation.
Tract 514.00 (pop. 3,853) — 65th percentile — Above the median
Driven by Socioeconomic Status (above) and Household Characteristics (above); near the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 506.03 (pop. 3,717) — 64th percentile — Above the median
Driven by Household Characteristics (well above); near the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 509.04 (pop. 2,513) — 63rd percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (well above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 504.01 (pop. 3,673) — 62nd percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (above); below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 508.07 (pop. 1,674) — 60th percentile — Above the median
Driven by Socioeconomic Status (well above); near the median on Housing Type & Transportation; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Near the median — 6 tracts (40th–60th percentile)
Tract 508.01 (pop. 4,212) — 59th percentile — Near the median
Driven by Household Characteristics (well above); near the median on Socioeconomic Status and Housing Type & Transportation; below the median on Racial & Ethnic Minority Status.
Tract 509.03 (pop. 2,202) — 56th percentile — Near the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (well above); below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 505.05 (pop. 2,455) — 54th percentile — Near the median
Near the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 517.02 (pop. 7,073) — 53rd percentile — Near the median
Driven by Socioeconomic Status (above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 515.02 (pop. 3,132) — 42nd percentile — Near the median
Driven by Socioeconomic Status (above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 517.01 (pop. 4,483) — 41st percentile — Near the median
Near the median on Socioeconomic Status and Household Characteristics; below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Below the median — 18 tracts (20th–40th percentile)
Tract 513.02 (pop. 5,953) — 37th percentile — Below the median
Near the median on Socioeconomic Status and Housing Type & Transportation; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 501.03 (pop. 5,300) — 36th percentile — Below the median
Driven by Household Characteristics (well above); near the median on Housing Type & Transportation; below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 508.08 (pop. 4,628) — 35th percentile — Below the median
Driven by Household Characteristics (above); near the median on Housing Type & Transportation; below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 510.08 (pop. 4,525) — 33rd percentile — Below the median
Driven by Housing Type & Transportation (above); below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 510.11 (pop. 3,938) — 33rd percentile — Below the median
Driven by Housing Type & Transportation (above); near the median on Household Characteristics; below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 513.09 (pop. 1,316) — 32nd percentile — Below the median
Near the median on Socioeconomic Status and Housing Type & Transportation; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 507.06 (pop. 1,634) — 29th percentile — Below the median
Near the median on Housing Type & Transportation; below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 507.07 (pop. 2,118) — 28th percentile — Below the median
Driven by Household Characteristics (above); below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.13 (pop. 4,782) — 27th percentile — Below the median
Near the median on Socioeconomic Status; below the median on Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 507.08 (pop. 3,845) — 26th percentile — Below the median
Near the median on Household Characteristics; below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 508.06 (pop. 4,608) — 26th percentile — Below the median
Near the median on Socioeconomic Status; below the median on Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 511.01 (pop. 912) — 25th percentile — Below the median
Driven by Housing Type & Transportation (above); below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 501.01 (pop. 4,661) — 25th percentile — Below the median
Near the median on Racial & Ethnic Minority Status and Housing Type & Transportation; below the median on Socioeconomic Status and Household Characteristics.
Tract 511.02 (pop. 1,062) — 24th percentile — Below the median
Near the median on Housing Type & Transportation; below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 508.05 (pop. 4,491) — 23rd percentile — Below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 509.05 (pop. 3,496) — 23rd percentile — Below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 508.04 (pop. 4,272) — 22nd percentile — Below the median
Near the median on Household Characteristics; below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.14 (pop. 2,332) — 21st percentile — Below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Well below the median — 20 tracts (0th–20th percentile)
Tract 513.07 (pop. 3,446) — 20th percentile — Well below the median
Near the median on Household Characteristics; below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 512.01 (pop. 1,519) — 19th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 513.13 (pop. 3,172) — 18th percentile — Well below the median
Near the median on Socioeconomic Status and Household Characteristics; below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 513.14 (pop. 2,747) — 17th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.12 (pop. 2,288) — 16th percentile — Well below the median
Near the median on Socioeconomic Status; below the median on Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.10 (pop. 3,276) — 16th percentile — Well below the median
Near the median on Housing Type & Transportation; below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 510.17 (pop. 4,027) — 16th percentile — Well below the median
Near the median on Housing Type & Transportation; below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 507.09 (pop. 2,027) — 15th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.16 (pop. 2,234) — 14th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.09 (pop. 2,381) — 13th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 511.03 (pop. 918) — 11th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 510.15 (pop. 2,279) — 10th percentile — Well below the median
Near the median on Housing Type & Transportation; below the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 512.05 (pop. 720) — 9th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 513.10 (pop. 2,388) — 9th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 513.12 (pop. 2,619) — 8th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 513.08 (pop. 4,015) — 7th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 512.02 (pop. 1,032) — 5th percentile — Well below the median
Near the median on Household Characteristics; below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 513.11 (pop. 1,661) — 5th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 512.03 (pop. 775) — 2nd percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 512.04 (pop. 760) — 1st percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
2 tracts unranked — no population or suppressed
These carry no percentile (zero-population or suppressed data, typically water and special-use tracts). They are excluded from the bands, median and range above, and are never shown as a low score.
SVI = the CDC/ATSDR Social Vulnerability Index, recomputed by this platform from American Community Survey 2020–2024 5-year estimates using CDC's published method. Percentiles rank each tract against tracts in DE. "Vulnerability" is the name of CDC's index; the platform reports where a place ranks on it, and does not grade places or their residents.
Top-decile flags follow CDC's own convention (≥ 90th percentile) and are attributed as such; they are not part of an official CDC distribution.

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