Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025

Name: Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025
License: https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355

Custer County had the highest social vulnerability score (FEMA National Risk Index) of 44 counties in 2025, at 91.6. Oneida County had the lowest, at 10.6. The median was 26.5. Source: the Federal Emergency Management Agency.

Highest91.6Custer County

Lowest10.6Oneida County

Median26.544 counties

Map of counties, 2025

Under 11
11 to 18
18 to 27
27 to 45
45 to 61
61 and over

index, 2025. Source: FEMA National Risk Index, National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2025

index. Source: FEMA National Risk Index, National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). Retrieved 2026-10-12.

Full ranking

Rank	Counties	2025 index
1	Custer County	91.6
2	Owyhee County	86.2
3	Clearwater County	81
4	Washington County	70
5	Jerome County	68.9
6	Boundary County	65.1
7	Idaho County	64.6
8	Lewis County	60.8
9	Adams County	60.6
10	Shoshone County	53.4
11	Benewah County	52.1
12	Lemhi County	51.4
13	Lincoln County	46.6
14	Camas County	46.3
15	Butte County	45.7
16	Bonner County	44.9
17	Gooding County	36.8
18	Gem County	36.1
19	Boise County	33.3
20	Valley County	32
21	Minidoka County	31.7
22	Bingham County	27.1
23	Madison County	25.9
24	Power County	25.1
25	Twin Falls County	24.9
26	Kootenai County	23.4
27	Cassia County	22.4
28	Blaine County	21.5
29	Canyon County	18.5
30	Bannock County	17.9
31	Payette County	15.4
32	Latah County	15
33	Caribou County	13.4
33	Teton County	13.4
35	Bonneville County	12.2
35	Elmore County	12.2
37	Ada County	10.6
37	Bear Lake County	10.6
37	Clark County	10.6
37	Franklin County	10.6
37	Fremont County	10.6
37	Jefferson County	10.6
37	Nez Perce County	10.6
37	Oneida County	10.6

About this ranking

Social vulnerability of a US county as used in FEMA's National Risk Index, from 0 to 100: the county's national percentile rank among all counties, based on the Census Bureau's Community Resilience Estimates, which count residents with social and economic risk factors such as low income, age, disability and household conditions. Higher means more vulnerable.

The period is the year of the National Risk Index edition (the December 2025 edition is 2025), not a year of events. FEMA rebuilds the index with new data and methods in each edition, so values from different editions are not a time series. The index is meant for nationwide comparison and planning, not as a local risk assessment.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

Federal Emergency Management Agency. (2025). National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE) (Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025) [Data set]. Retrieved October 12, 2026, from https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355

MLA 9

National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE), Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025. Federal Emergency Management Agency, 16 Dec. 2025, https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Invokely, https://invokely.ai/rankings/social-vulnerability-score/idaho-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

Federal Emergency Management Agency. 2025. National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025. Dataset. Accessed October 12, 2026. https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Also distributed by Invokely, https://invokely.ai/rankings/social-vulnerability-score/idaho-counties.

Harvard

Federal Emergency Management Agency (2025) National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE), Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025 [Dataset]. Available at: https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355, via Invokely: https://invokely.ai/rankings/social-vulnerability-score/idaho-counties (Accessed: 12 October 2026).

BibTeX

@misc{federal_counties_in_idaho_by_2025,
  author = {{Federal Emergency Management Agency}},
  title = {{National Risk Index Counties, Social Vulnerability Score (SOVI\_SCORE): Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025}},
  year = {2025},
  howpublished = {Data set},
  url = {https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/social-vulnerability-score/idaho-counties. Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, Social Vulnerability Score (SOVI\_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).},
}

RIS

TY  - DATA
AU  - Federal Emergency Management Agency
TI  - National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE): Counties in Idaho by social vulnerability score (FEMA National Risk Index), 2025
PY  - 2025
DA  - 2025/12/16
PB  - Federal Emergency Management Agency
DB  - Invokely
UR  - https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355
L2  - https://invokely.ai/rankings/social-vulnerability-score/idaho-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/social-vulnerability-score/idaho-counties.
N1  - Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
ER  -

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Questions

Which county has the highest social vulnerability score (FEMA National Risk Index)?

Custer County, with 91.6 in 2025, according to the Federal Emergency Management Agency.

Which county has the lowest social vulnerability score (FEMA National Risk Index)?

Oneida County, with 10.6 in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Federal Emergency Management Agency, National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). Retrieved 2026-10-12.