The Town Files

Post Mountain, California

Community in Trinity County · population 3,032 (2020 Census)

Map: where Post Mountain is in CaliforniaPost Mountain
Jan low / Jul high
34° / 97°
Snow a year
3 in
Tornadoes ≤10 mi since 1950
0
Median age
42.9

Post Mountain is a community of 3,032 people in Trinity County, California. It ranks quieter than 98% of California towns, hipper than 93% of California towns, better for a vacation home than 93% of California towns.

Post Mountain in our rankings:

How Post Mountain ranks

Percentile among California towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of California towns.

Post Mountain lifestyle rankings vs other California townsRetirement89th pctFamilies26th pctQuiet98th pctWalkability8th pctFirst-time buyers51st pctYoung professionals39th pctVibrancy4th pctHip & trendy93rd pctCollege town1st pctUpscale18th pctVacation homes93rd pctSeaside characterbottomCycling90th pctTransitbottomDriving6th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

100.0% of households own their home.

HousingPost MountainTypical California town
Median home value—$596,900
Median rent—$1,827
Median household income—$91,557
Home value ÷ income—×6.4×
Homeownership100.0%67.4%
Median year built19791977
Seasonal / vacation homes34.3%—

Who lives in Post Mountain

PeoplePost MountainTypical California town
Median age42.940.2
Age 65 and over47.2%17.7%
Under 180.0%—
Bachelor's degree or higher79.0%27.7%
Below the poverty line0.0%10.3%
Veterans0.0%—
Born outside the U.S.21.0%—
Work from home100.0%13.4%
Average commute— min27.5 min
Homes with broadband100.0%93.3%

Weather in Post Mountain

July highs average 96.5°F and January lows 34.3°F. About 35.8 inches of rain and melted snow fall a year, with 2.7 inches of snow (typical California town: 0.0 in). Expect about 90 days a year at 90°F or hotter and 59 nights at or below freezing.

Post Mountain monthly temperatures and precipitation30°40°50°60°70°80°90°100°32° freezing50°34°Jan56°35°Feb62°37°Mar69°39°Apr78°44°May86°48°Jun97°53°Jul95°52°Aug89°47°Sep74°41°Oct57°38°Nov48°34°DecPrecipitation (in) · snow (in) in blue6.40.75.40.44.60.32.61.70.70.20.20.42.24.20.27.21.1
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Big Bar 4 E station (22.5 mi away); snowfall estimated from the 1 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

NOAA's Storm Events Database has no tornado within 10 miles of Post Mountain since 1950.

Hail of 1 inch or larger has been reported within 10 miles 4 times; the largest was 1.00 inches on May 29, 2003.

Severe weather in Trinity County since 1996

Storm events in Trinity County since 1996 by typeHail18Flood4Wildfire6Avalanche1High Wind2Heavy Rain36Heavy Snow30Flash Flood3
NOAA Storm Events Database, Trinity County, 1996–2026 (all event types recorded since 1996).

Trinity County has been included in 32 federal disaster or emergency declarations since 1953, most often for fire, flood, drought.

DeclaredIncidentDeclaration
April 3, 2023Severe StormDR-4699: Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides
March 10, 2023FloodEM-3592: Severe Winter Storms, Flooding, Landslides, And Mudslides
January 14, 2023FloodDR-4683: Severe Winter Storms, Flooding, Landslides, And Mudslides
August 24, 2021FireDR-4610: Wildfires
August 17, 2021FireFM-5412: Monument Fire

Jobs and pay in Trinity County

Trinity County had 2,918 jobs in 2024, paying an average of $56,151 a year. Unemployment was 5.7% in 2023; in Post Mountain itself the ACS puts it at 0%.

Largest industries in Trinity CountyHealth care & social assistan…418 jobs · $51,001Retail327 jobs · $33,626Hotels & restaurants281 jobs · $24,925Manufacturing181 jobs · $74,651Other services158 jobs · $45,913Construction113 jobs · $85,646
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Trinity County, 2000–20230%4%8%12%16%2000200420082012201620202023Trinity 5.7%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Post Mountain

Post Mountain questions

Is Post Mountain, California a good place to retire?

On The Town Files lifestyle rankings, Post Mountain scores better for retirees than 89% of California towns and quieter than 98%. 47.2% of residents are 65 or older (median age 42.9).

What is the weather like in Post Mountain?

July highs average 96.5°F and January lows 34.3°F (NOAA 1991–2020 normals). It gets about 35.8 inches of precipitation a year and 2.7 inches of snow.

Does Post Mountain get tornadoes?

No tornado has been recorded within 10 miles of Post Mountain in NOAA's Storm Events Database since 1950.

How this page is made. Every number comes from public data, matched to Post Mountain's Census boundary (GEOID 0658456). Comparisons use the median of California towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-12.