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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Rock Island County — Social Vulnerability Index

Unofficial CDC-method recomputation, 2020–2024 ACS 5-year
Rock Island County — Social Vulnerability Index by census tract
Where this is
Shading: Overall SVI Percentile
Lower (14 to 32)Lower-middle (33 to 54)Middle (55 to 67)Upper-middle (69 to 86)Higher (86 to 99)
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: 59th percentile (among tracts in IL).
These tracts span the 14th percentile to the 99th percentile. The width of that range is the internal disparity.
Well above the median15 (35%) · 39,962 people
Above the median6 (14%) · 25,843 people
Near the median11 (26%) · 42,774 people
Below the median6 (14%) · 17,742 people
Well below the median5 (12%) · 16,436 people
Widest spread across these tracts: Housing Type & Transportation — 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 — 15 tracts (80th–100th percentile)
Tract 223.00 (pop. 2,195) — 99th 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 245.00 (pop. 1,916) — 99th 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 236.00 (pop. 1,362) — 96th 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 213.00 (pop. 4,866) — 95th percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Housing Type & Transportation (well above); near the median on Racial & Ethnic Minority Status.
Tract 244.00 (pop. 1,487) — 91st percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (above).
Tract 235.00 (pop. 2,114) — 91st percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Racial & Ethnic Minority Status (above); near the median on Housing Type & Transportation.
Tract 226.00 (pop. 1,625) — 90th percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (well above); near the median on Household Characteristics.
Tract 222.00 (pop. 3,321) — 89th 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 217.00 (pop. 3,657) — 86th percentile — Well above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (well above).
Tract 237.00 (pop. 2,107) — 86th percentile — Well above the median
Driven by Socioeconomic Status (above), Household Characteristics (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (above).
Tract 206.00 (pop. 2,136) — 84th percentile — Well above the median
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Racial & Ethnic Minority Status (above); near the median on Housing Type & Transportation.
Tract 202.00 (pop. 3,815) — 82nd 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 207.00 (pop. 1,340) — 82nd percentile — Well above the median
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Racial & Ethnic Minority Status (above); near the median on Housing Type & Transportation.
Tract 210.00 (pop. 3,741) — 81st percentile — Well above the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (well above); near the median on Racial & Ethnic Minority Status; below the median on Socioeconomic Status.
Tract 211.00 (pop. 4,280) — 81st percentile — Well above the median
Driven by Household Characteristics (well above), Racial & Ethnic Minority Status (above) and Housing Type & Transportation (well above); near the median on Socioeconomic Status.
Above the median — 6 tracts (60th–80th percentile)
Tract 233.00 (pop. 3,267) — 75th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status.
Tract 209.00 (pop. 5,735) — 70th percentile — Above the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (well above); near the median on Racial & Ethnic Minority Status; below the median on Socioeconomic Status.
Tract 219.00 (pop. 1,395) — 69th percentile — Above the median
Driven by Socioeconomic Status (above), Household Characteristics (above) and Housing Type & Transportation (above); below the median on Racial & Ethnic Minority Status.
Tract 208.00 (pop. 4,451) — 67th percentile — Above the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status; below the median on Socioeconomic Status.
Tract 204.00 (pop. 6,380) — 64th percentile — Above the median
Driven by Household Characteristics (well above) and Racial & Ethnic Minority Status (above); near the median on Socioeconomic Status; below the median on Housing Type & Transportation.
Tract 203.01 (pop. 4,615) — 63rd percentile — Above the median
Driven by Household Characteristics (above) and Housing Type & Transportation (well above); below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Near the median — 11 tracts (40th–60th percentile)
Tract 228.00 (pop. 5,830) — 59th percentile — Near the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (above); near the median on Racial & Ethnic Minority Status; below the median on Household Characteristics.
Tract 243.00 (pop. 2,649) — 57th percentile — Near the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (above); below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 242.00 (pop. 4,085) — 57th percentile — Near the median
Driven by Household Characteristics (above) and Housing Type & Transportation (above); below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 203.02 (pop. 2,325) — 55th percentile — Near the median
Driven by Household Characteristics (above); near the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 212.00 (pop. 4,282) — 55th percentile — Near the median
Driven by Socioeconomic Status (above); near the median on Household Characteristics and Housing Type & Transportation; below the median on Racial & Ethnic Minority Status.
Tract 232.00 (pop. 5,341) — 54th percentile — Near the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (above); below the median on Socioeconomic Status and Racial & Ethnic Minority Status.
Tract 216.00 (pop. 2,420) — 54th percentile — Near the median
Driven by Socioeconomic Status (above) and Household Characteristics (above); below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 218.00 (pop. 4,504) — 53rd percentile — Near the median
Driven by Household Characteristics (well above); near the median on Socioeconomic Status and Racial & Ethnic Minority Status; below the median on Housing Type & Transportation.
Tract 215.00 (pop. 4,797) — 51st percentile — Near the median
Driven by Household Characteristics (well above); near the median on Socioeconomic Status and Racial & Ethnic Minority Status; below the median on Housing Type & Transportation.
Tract 220.00 (pop. 4,280) — 45th percentile — Near the median
Driven by Household Characteristics (above); near the median on Racial & Ethnic Minority Status; below the median on Socioeconomic Status and Housing Type & Transportation.
Tract 201.01 (pop. 2,261) — 41st percentile — Near the median
Driven by Household Characteristics (above); near the median on Socioeconomic Status; below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Below the median — 6 tracts (20th–40th percentile)
Tract 241.01 (pop. 3,466) — 36th percentile — Below the median
Driven by Household Characteristics (above); below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 221.00 (pop. 2,684) — 34th percentile — Below the median
Driven by Household Characteristics (above); below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 229.00 (pop. 2,807) — 33rd percentile — Below the median
Driven by Household Characteristics (above); below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 231.00 (pop. 2,844) — 32nd percentile — Below the median
Driven by Household Characteristics (above); near the median on Socioeconomic Status and Racial & Ethnic Minority Status; below the median on Housing Type & Transportation.
Tract 214.00 (pop. 1,101) — 28th percentile — Below the median
Near the median on Socioeconomic Status and Racial & Ethnic Minority Status; below the median on Household Characteristics and Housing Type & Transportation.
Tract 241.02 (pop. 4,840) — 21st percentile — Below the median
Near the median on Household Characteristics; below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Well below the median — 5 tracts (0th–20th percentile)
Tract 230.00 (pop. 3,755) — 20th 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 240.00 (pop. 4,112) — 17th 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 201.02 (pop. 3,776) — 16th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 241.03 (pop. 3,951) — 14th percentile — Well below the median
Below the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 201.03 (pop. 842) — 14th 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.
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 IL. "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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