Pittsburg Flag

Pittsburg

County Seat:
No
Area (mi²):
18.642
State:
California

Pittsburg is a city located in Contra Costa County, California. Pittsburg has a 2026 population of 77,131. Pittsburg is currently growing at a rate of 1.25% annually and its population has increased by 1.02% since the most recent census, which recorded a population of 76,355 in 2020.

77.1K
Total Population
4,137
Density (mi²)
954 1.25%
Growth

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)