Population: Philadelphia County

Latest value, 2025

1,574,281persons

Source: U.S. Census Bureau
Retrieved 2026-10-08
Published 2026-03-26

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A.

Evolution

1,567,0791,583,2801,599,480202020212022202320242025
Value
PeriodValue
20251,574,281
20241,572,735
20231,565,822
20221,572,341
20211,590,224
20201,600,737

Comparison with related places

Place2025
Philadelphia County1,574,281
Pennsylvania13,059,432
United States341,784,857
Allegheny County1,225,035
Montgomery County877,643
Bucks County647,828
Delaware County580,937
Lancaster County563,159

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

Get this figure from your agent

Call get_value through the MCP server or the REST API.

get_value {"indicator":"population","place":"us-county-42101"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-42101

Other indicators for Philadelphia County

Statistics for Philadelphia County