ZIP 95309 is served primarily by Tuolumne County, CA — including Sonora. ZIP-level data is sparse — showing the Tuolumne County aggregate. FEMA NRI rates wildfire risk here as Very High.
May peaks. Mar dips. ZIP-level seasonality is sparse — this is the county aggregate.
Top 5 NFIRS incident types — county-level breakdown.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Aircraft standby | 103 | 19.2% | |
| 2 | Gas leak (natural gas or LPG) | 42 | 7.8% | |
| 3 | Authorized controlled burning | 41 | 7.6% | |
| 4 | Brush, or brush and grass mixture fire | 40 | 7.4% | |
| 5 | Grass fire | 40 | 7.4% |
14 cities sit in Tuolumne County. Click for the per-city NFIRS profile.
| # | City | Population | 2025 incidents | Building fires | Grade |
|---|---|---|---|---|---|
| 1 | Sonora | 4,963 | 103 | 7 | C |
| 2 | Phoenix Lake | 4,377 | 0 | 0 | — |
| 3 | Jamestown | 3,742 | 54 | 5 | C+ |
| 4 | Mono Vista | 3,620 | 0 | 0 | — |
| 5 | Pine Mountain Lake | 3,038 | 0 | 0 | — |
| 6 | East Sonora | 2,664 | 1 | 1 | A+ |
| 7 | Columbia | 2,439 | 25 | 2 | B+ |
| 8 | Twain Harte | 2,154 | 0 | 0 | B |
| 9 | Soulsbyville | 1,972 | 28 | 0 | B- |
| 10 | Cedar Ridge | 1,650 | 0 | 0 | A+ |
| 11 | Tuolumne City | 1,297 | 0 | 0 | A+ |
| 12 | Mi-Wuk Village | 1,010 | 0 | 0 | — |
| 13 | Tuttletown | 946 | 9 | 0 | B+ |
| 14 | Groveland | 591 | 41 | 4 | C- |
The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.
This ZIP doesn't have enough NFIRS coverage on its own (under 10 reported incidents across 2021–2025) to publish ZIP-level statistics, so we're showing the Tuolumne County aggregate above. NFIRS reporting is voluntary and many rural ZIPs roll up to broader county totals. The ZIP-to-county mapping uses SimpleMaps' uscities.zips dataset.