National Risk Index score (FEMA) in Trinity County

Name: National Risk Index score (FEMA): Trinity County
License: https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355

National Risk Index score (FEMA) in Trinity County was 79.5 in 2025, according to the Federal Emergency Management Agency. That is the 50th highest of 58 counties in 2025.

2025, index79.5

Rank50th of 58Counties in California ranked

Next release: Wednesday, 16 December 2026, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

Source: FEMA National Risk Index, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Retrieved 2026-10-12.

All 1 values

Period	index
2025	79.5

Trinity County compared with nearby places

Under 81
81 to 90
90 to 95
95 to 97
97 to 99
99 and over

National Risk Index score (FEMA), 2025, index. Trinity County is outlined. Same source and period for every area shown. Source: Federal Emergency Management Agency. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Counties in California by national Risk Index score (FEMA) 58 places

Definition

FEMA's composite natural hazard risk score for a US county, from 0 to 100: the county's national percentile rank among all counties for risk, which combines expected annual losses from 18 natural hazards with social vulnerability and community resilience. Higher means more risk.

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.

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How to cite

Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK_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, National Risk Index Score Composite (RISK_SCORE) (National Risk Index score (FEMA), Trinity County, 2025) [Data set]. Retrieved October 12, 2026, from https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355

MLA 9

National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE), National Risk Index score (FEMA), Trinity County, 2025. Federal Emergency Management Agency, 16 Dec. 2025, https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Invokely, https://invokely.ai/en/national-risk-index-score/trinity-county-california. Accessed 12 Oct. 2026.

Chicago (author-date)

Federal Emergency Management Agency. 2025. National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). National Risk Index score (FEMA), Trinity County, 2025. Dataset. Accessed October 12, 2026. https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Also distributed by Invokely, https://invokely.ai/en/national-risk-index-score/trinity-county-california.

Harvard

Federal Emergency Management Agency (2025) National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE), National Risk Index score (FEMA), Trinity County, 2025 [Dataset]. Available at: https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355, via Invokely: https://invokely.ai/en/national-risk-index-score/trinity-county-california (Accessed: 12 October 2026).

BibTeX

@misc{federal_national_risk_index_score_2025,
  author = {{Federal Emergency Management Agency}},
  title = {{National Risk Index Counties, National Risk Index Score Composite (RISK\_SCORE): National Risk Index score (FEMA), Trinity County, 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/en/national-risk-index-score/trinity-county-california. Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK\_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, National Risk Index Score Composite (RISK_SCORE): National Risk Index score (FEMA), Trinity County, 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/en/national-risk-index-score/trinity-county-california
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/national-risk-index-score/trinity-county-california.
N1  - Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK_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

What is the national Risk Index score (FEMA) in Trinity County?

National Risk Index score (FEMA) in Trinity County was 79.5 in 2025, according to the Federal Emergency Management Agency. That is the 50th highest of 58 counties in 2025.

Where does this figure come from?

Federal Emergency Management Agency. National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Retrieved by Invokely on 2026-10-12.

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