Pennsylvania · Census place 4210768
California, Pennsylvania
California is a borough in Washington County, Pennsylvania with an estimated 4,628 residents on July 1, 2024. It is the 210th largest of 597 incorporated places of 1,000+ people in the state.
- Population 2024
- 4,628
- #210 of 597 in Pennsylvania
- Change since 2020
- -13.7%
- -735 people
- Land area
- 11.0 sq mi
- + 0.22 sq mi water
- Density
- 420 / sq mi
- State median 3,911
Measure from here
Tools and pages that start from California
California population, 2020 to 2024
California lost 735 residents from July 2020 to July 2024, a change of -13.7%. In the latest year it moved by -16.
California covers 11.01 square miles of land and 0.22 of water, for 420 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so California is less dense than the typical town.
What county California is in
All of California's residents live in Washington County, which had 210,434 residents in 2024. California holds 2.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in California
3 ZIP Code Tabulation Areas (ZCTAs) overlap California by at least 10% of the ZCTA's or the borough's land: 15417, 15419, 15423. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a borough that annexed land after 2020 may reach into ZIP codes not listed here.
Where California is
The Census internal point of California is at 40.066700, -79.912000. Harrisburg, the capital, is 160.5 miles E in a straight line. The nearest larger place is Monessen, PA (6,704 people), 6.1 miles away. The nearest city of 100,000 or more is Pittsburgh, PA, 26.0 miles away.
Internal point
- Decimal
- 40.066700, -79.912000
- DMS
- 40°04'0.12"N 79°54'43.20"W
- UTM
- 17N 592781.9E 4435727.4N
- Geohash
- dpp5vtcv7
- Plus code
- 87G2338Q+M5
Daylight in California
At 40.07° N, California gets about 15 h 01 min of daylight around the June solstice and 9 h 19 min around the December solstice, a swing of 5 h 42 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near California
The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Centerville, 3.4 miles away, with 3,214 people.
Questions people ask
What is the population of California, PA?
4,628 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 735 (13.7%) from 5,363 in July 2020.
What county is California in?
Washington County. All of its residents live in that county.
What ZIP codes cover California?
3 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 15417, 15419, 15423.
How far is California from Harrisburg?
160.5 miles (258.2 km) in a straight line, heading E from California.
What is the nearest larger city to California?
Monessen, PA, with 6,704 residents, 6.1 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.