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.
Humboldt County — Social Vulnerability Index
Unofficial CDC-method recomputation, 2020–2024 ACS 5-year
Humboldt County — Social Vulnerability Index by census tract
Where this is
Shading: Overall SVI Percentile
Lower (19 to 33)Lower-middle (37 to 47)Middle (49 to 59)Upper-middle (59 to 67)Higher (69 to 84)
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: 54th percentile (among tracts in CA).
These tracts span the 19th percentile to the 84th percentile. The width of that range is the internal disparity.
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 — 2 tracts (80th–100th percentile)
Tract 1.00 (pop. 4,582) — 84th percentile — Well above the median
Driven by Socioeconomic Status (well above), Household Characteristics (above) and Housing Type & Transportation (well above); below the median on Racial & Ethnic Minority Status.
Tract 115.01 (pop. 1,719) — 84th percentile — Well above the median
Driven by Socioeconomic Status (well above), Household Characteristics (well above) and Housing Type & Transportation (above); below the median on Racial & Ethnic Minority Status.
Above the median — 11 tracts (60th–80th percentile)
Tract 9400.00 (pop. 2,248) — 78th percentile — Above the median
Driven by Household Characteristics (above), Racial & Ethnic Minority Status (well above) and Housing Type & Transportation (well above); near the median on Socioeconomic Status.
Tract 2.00 (pop. 6,038) — 76th percentile — Above the median
Driven by Socioeconomic Status (well above) and Housing Type & Transportation (above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 107.02 (pop. 2,764) — 72nd percentile — 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 111.00 (pop. 4,763) — 70th 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 109.01 (pop. 4,729) — 69th percentile — Above the median
Driven by Household Characteristics (well above) and Housing Type & Transportation (above); near the median on Socioeconomic Status; below the median on Racial & Ethnic Minority Status.
Tract 116.00 (pop. 3,547) — 67th 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 5.00 (pop. 3,207) — 66th percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (well above); below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 108.00 (pop. 5,113) — 66th percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (above); near the median on Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 3.00 (pop. 5,863) — 64th percentile — Above the median
Driven by Socioeconomic Status (above) and Household Characteristics (well above); below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 12.00 (pop. 4,998) — 63rd percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (well above); below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 10.02 (pop. 3,006) — 61st percentile — Above the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (well above); below the median on Household Characteristics and Racial & Ethnic Minority Status.
Near the median — 14 tracts (40th–60th percentile)
Tract 11.02 (pop. 4,762) — 59th 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 110.00 (pop. 4,884) — 59th percentile — Near the median
Driven by Socioeconomic Status (above) and Household Characteristics (well above); below the median on Racial & Ethnic Minority Status and Housing Type & Transportation.
Tract 4.00 (pop. 3,963) — 57th 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 8.00 (pop. 4,846) — 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 10.01 (pop. 3,137) — 54th percentile — Near the median
Driven by Socioeconomic Status (above) and Housing Type & Transportation (well above); below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 13.00 (pop. 1,695) — 54th percentile — Near 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 107.01 (pop. 4,601) — 51st percentile — Near the median
Driven by Housing Type & Transportation (above); near the median on Socioeconomic Status and Household Characteristics; below the median on Racial & Ethnic Minority Status.
Tract 102.00 (pop. 2,854) — 49th percentile — Near the median
Driven by Household Characteristics (above); near the median on Socioeconomic Status and Housing Type & Transportation; below the median on Racial & Ethnic Minority Status.
Tract 6.00 (pop. 5,059) — 47th percentile — Near the median
Driven by Housing Type & Transportation (above); near the median on Socioeconomic Status; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 105.02 (pop. 5,844) — 44th percentile — Near 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 115.02 (pop. 976) — 43rd 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.
Tract 105.04 (pop. 3,613) — 43rd 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 105.03 (pop. 4,025) — 43rd percentile — Near the median
Driven by Housing Type & Transportation (above); near the median on Socioeconomic Status; below the median on Household Characteristics and Racial & Ethnic Minority Status.
Tract 109.02 (pop. 4,141) — 43rd 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 — 7 tracts (20th–40th percentile)
Tract 104.00 (pop. 3,828) — 37th percentile — Below the median
Near the median on Socioeconomic Status, Household Characteristics and Housing Type & Transportation; below the median on Racial & Ethnic Minority Status.
Tract 101.02 (pop. 2,192) — 33rd percentile — 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 106.00 (pop. 2,157) — 32nd percentile — 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 112.00 (pop. 3,123) — 31st 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 103.00 (pop. 2,936) — 29th 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 9.00 (pop. 5,305) — 28th 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 7.00 (pop. 5,791) — 22nd percentile — Below the median
Driven by Household Characteristics (above); below the median on Socioeconomic Status, Racial & Ethnic Minority Status and Housing Type & Transportation.
Well below the median — 1 tract (0th–20th percentile)
Tract 11.03 (pop. 2,232) — 19th 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.
1 tract 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 CA. "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.