Post Mountain
Census-designated place in Trinity County, California

Post Mountain is an unincorporated community (census-designated place) in Trinity County, California, with 3,032 residents (2020 Census). It sits at 3,264 ft (995 m) above sea level. The nearest town is Ruth, 10.4 miles SW.
- 3,032residents (2020 Census)
- 3,264 ftelevation · 995 m
- 12.4 sq miland area · 32.1 km²
- 244 / sq mipopulation density
- 96041ZIP code
About Post Mountain
Post Mountain is an unincorporated community and census-designated place (CDP) in Trinity County, California, United States. It is on the north side of California State Route 36, 68 miles (109 km) west of Red Bluff and 69 miles (111 km) east of U.S. Route 101 near Fortuna. Hayfork, the nearest post office, is 14 miles (23 km) to the north on California State Route 3. Its population is 3,032 as of the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Open in Google Maps ›Post Mountain, CA population
Post Mountain had 3,032 residents in the 2020 Census.
| 2020 Census | 3,032 |
|---|---|
| Density | 244 per sq mi (94 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Post Mountain at a glance
| State | California (CA) |
|---|---|
| County | Trinity County |
| Type | Census-designated place |
| Population | 3,032 (2020) |
| Land area | 12.41 sq mi (32.1 km²) |
| Elevation | 3,264 ft (995 m) |
| Coordinates | 40.4159° N, 123.2316° W |
| ZIP code | 96041 |
| Census code (GEOID) | 0658456 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Post Mountain
- Ruth10.4 mi SW
- Hayfork12.4 mi NE
- Mad River13.7 mi W
- Platina17.7 mi E
- Hyampom19.1 mi NW
- Douglas City22.5 mi NE
- Junction City23.4 mi N
- Alderpoint26.8 mi SW
- Weaverville27.5 mi NE
- Lewiston28.9 mi NE
- Burnt Ranch30.9 mi NW
- Ono32.2 mi E
Straight-line distance between town centers.
Frequently asked questions about Post Mountain
What county is Post Mountain in?
Post Mountain is in Trinity County, California.
What is the population of Post Mountain, CA?
3,032 people lived in Post Mountain at the 2020 Census.
What is the ZIP code of Post Mountain, CA?
The ZIP code of Post Mountain is 96041.
What is the elevation of Post Mountain?
3,264 feet (995 m) above sea level.
What towns are near Post Mountain?
Ruth (10.4 mi), Hayfork (12.4 mi), Mad River (13.7 mi), Platina (17.7 mi), Hyampom (19.1 mi).
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