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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NationallyWithin its state

Carroll County — Social Vulnerability Index

Unofficial CDC-method recomputation, 2020–2024 ACS 5-year
Carroll County — Social Vulnerability Index by census tract
Tract 9551.01 — 49 (Middle)Tract 9551.02 — 37 (Lower-middle)Tract 9553.01 — 80 (Higher)Tract 9553.02 — 84 (Higher)Tract 9554.01 — 69 (Upper-middle)Tract 9554.02 — 63 (Middle)Tract 9555.00 — 24 (Lower)Tract 9556.01 — 45 (Lower-middle)Tract 9556.02 — 66 (Upper-middle)Tract 9558.01 — 78 (Higher)Tract 9558.02 — 57 (Middle)Tract 9559.01 — 92 (Higher)Tract 9559.02 — 68 (Upper-middle)Tract 9560.00 — 18 (Lower)Tract 9561.01 — 42 (Lower-middle)Tract 9561.02 — 47 (Middle)Tract 9563.01 — 35 (Lower-middle)Tract 9563.02 — 32 (Lower)Tract 9564.00 — 71 (Upper-middle)
Where this is
Shading: Overall SVI Percentile
Lower (18 to 32)Lower-middle (35 to 45)Middle (47 to 63)Upper-middle (66 to 71)Higher (78 to 92)
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: 57th percentile (among tracts in NH).
These tracts span the 18th percentile to the 92nd percentile. The width of that range is the internal disparity.
Well above the median3 (16%) · 7,917 people
Above the median6 (32%) · 14,414 people
Near the median5 (26%) · 12,930 people
Below the median4 (21%) · 10,571 people
Well below the median1 (5%) · 5,972 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.
Tract 9559.01 (pop. 2,276) — 92nd percentile — Well above the median CDC-based flag ≥ 90th percentile
Driven by Socioeconomic Status (above), Household Characteristics (well above) and Housing Type & Transportation (well above); near the median on Racial & Ethnic Minority Status.
Tract 9553.02 (pop. 2,922) — 84th percentile — Well above the median
Driven by Socioeconomic Status (well above) and Housing Type & Transportation (well above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 9553.01 (pop. 2,719) — 80th percentile — Well 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 9558.01 (pop. 1,912) — 78th 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 9564.00 (pop. 2,569) — 71st percentile — Above the median
Driven by Socioeconomic Status (above) and Household Characteristics (well above); near the median on Housing Type & Transportation; below the median on Racial & Ethnic Minority Status.
Tract 9554.01 (pop. 2,519) — 69th percentile — Above the median
Driven by Housing Type & Transportation (well above); near the median on Socioeconomic Status and Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 9559.02 (pop. 2,245) — 68th percentile — Above the median
Driven by Socioeconomic Status (above) and Household Characteristics (well above); near the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 9556.02 (pop. 2,758) — 66th percentile — Above the median
Driven by Housing Type & Transportation (above); near the median on Socioeconomic Status, Household Characteristics and Racial & Ethnic Minority Status.
Tract 9554.02 (pop. 2,411) — 63rd percentile — Above the median
Driven by Socioeconomic Status (well above) and Household Characteristics (above); below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 9558.02 (pop. 1,494) — 57th percentile — Near the median
Driven by Socioeconomic Status (above) and Household Characteristics (above); near the median on Housing Type & Transportation; below the median on Racial & Ethnic Minority Status.
Tract 9551.01 (pop. 2,192) — 49th percentile — Near the median
Driven by Socioeconomic Status (well above); below the median on Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 9561.02 (pop. 2,910) — 47th percentile — Near the median
Near the median on Socioeconomic Status, Household Characteristics, Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 9556.01 (pop. 2,673) — 45th percentile — Near the median
Near the median on Socioeconomic Status and Housing Type & Transportation; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 9561.01 (pop. 3,661) — 42nd percentile — Near the median
Near the median on Socioeconomic Status and Housing Type & Transportation; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 9551.02 (pop. 2,264) — 37th percentile — Below 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.
Tract 9563.01 (pop. 2,291) — 35th percentile — Below the median
Driven by Household Characteristics (well above); near the median on Socioeconomic Status; below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 9563.02 (pop. 2,835) — 32nd percentile — Below the median
Driven by Racial & Ethnic Minority Status (above); near the median on Household Characteristics; below the median on Socioeconomic Status and Housing Type & Transportation.
Tract 9555.00 (pop. 3,181) — 24th 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 9560.00 (pop. 5,972) — 18th 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.
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 NH. "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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