Post Mountain Flag

Post Mountain

County:
Trinity County
County Seat:
No
Area (mi²):
12.412
State:
California

Post Mountain is a CDP located in Trinity County, California. Post Mountain has a 2025 population of 126. Post Mountain is currently growing at a rate of 6.78% annually and its population has increased by 53.66% since the most recent census, which recorded a population of 82 in 2020.

126
Total Population
10
Density (mi²)
8 6.78%
Growth

Post Mountain Population

Post Mountain Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Post Mountain includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White93100%

Post Mountain Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)