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Post Mountain, CA
Census-designated place in Trinity County, California.
Population
233
Land area
12.4sq mi
People per sq mi
19
ZIP codes
0
Post Mountain and its ZIP codes
Post Mountain at a glance
- Post Mountain is 93% less dense than California as a whole.
Economy and federal money
Jobs, pay, income and spending are for Trinity County. PPP loans are for Post Mountain.
Unemployment rate
5.5%
Aug 2026, 0.0 pts in a year
Average annual pay
$58,963
2,894 jobs, 2025
Income per person
$42,191
BEA, 2024
Federal spending
$97.4M
FY 2026, $6,046 per person
Environment and hazard risk
Post Mountain, CA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: landslide
Storm events since 1996
200
Countywide, mostly winter weather
Flood insurance policies
55
0.7% of homes, county
July high / Jan low
97° / 34°F
35.8 inches of rain a year
Health statistics
Share of adults in Post Mountain, CA, CDC PLACES estimates
Obesity
26.7%
U.S. 33.3% -6.6 pts
Diabetes
16.8%
U.S. 12.1% +4.7 pts
Smoking
18.2%
U.S. 12.8% +5.4 pts
Uninsured (18-64)
8.7%
U.S. 11.1% -2.4 pts
Cities near Post Mountain
| Name | Distance | Land area (sq mi) |
|---|---|---|
| RuthCensus-designated place | 10 mi | 38.9 |
| HayforkCensus-designated place | 11 mi | 72.1 |
| Mad RiverCensus-designated place | 14 mi | 35.2 |
| PlatinaCensus-designated place | 17 mi | 2.1 |
| HyampomCensus-designated place | 19 mi | 20.3 |
| Douglas CityCensus-designated place | 21 mi | 30.4 |
| Junction CityCensus-designated place | 23 mi | 26.5 |
| AlderpointCensus-designated place | 27 mi | 2.4 |
| WeavervilleCensus-designated place | 27 mi | 12.9 |
| LewistonCensus-designated place | 29 mi | 20 |
Frequently asked questions
- What county is Post Mountain, CA in?
- Post Mountain is in Trinity County, California.
- What is the population of Post Mountain, CA?
- About 233 people live in Post Mountain, based on American Community Survey 5-year estimates.
- What cities are near Post Mountain?
- Nearby places include Ruth (10 mi), Hayfork (11 mi), Mad River (14 mi), Platina (17 mi), Hyampom (19 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023