1st most populous of 67
With 1,573,916 residents in 2024, Philadelphia County ranks 1st by population among Pennsylvania's 67 counties and is home to 12.0% of the state's residents.

Philadelphia County has the largest immigrant share in Pennsylvania (15.2% foreign-born) and the highest poverty rate (21.4%).
Philadelphia County is home to 1,573,916 people (2024 estimate) on 134 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 1,573,916 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 1,526,006 | 2010 · U.S. Census Bureau |
| Population, 2000 | 1,514,563 | July 1, 2000 · Census intercensal |
| Change since 2000 | +3.9% | 2000–2024 · Census |
| International migration | +21,321 | 2024 · Census Vintage 2024 |
| Domestic migration | −15,332 | 2024 · Census Vintage 2024 |
| Birth rate | 11.9 per 1,000 | 2024 · calculated |
| Death rate | 9.0 per 1,000 | 2024 · calculated |
| Population rank in Pennsylvania | 1st of 67 | 2024 · calculated |
| Per capita personal income | $61,193 | BEA, 2024 · official |
| Gross domestic product | $135.0 billion | BEA, current dollars, 2024 · official |
| Median household income | $61,953 | ACS 2020–2024 5-year · official |
| Poverty rate | 21.4% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 35.4% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 15.2% | ACS 2020–2024 5-year · official |
| Median home value | $243,100 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,397/month | ACS 2020–2024 5-year · official |
| Median age | 35.3 years | ACS 2020–2024 5-year · official |
| Households | 679,428 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 51.8% | ACS 2020–2024 5-year · official |
Comparable indicators for Philadelphia County, Pennsylvania and the United States.
| Indicator | County | Pennsylvania | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | −1.9% | +0.6% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 11.9 | 9.8 | 10.6 | 2024 |
| Death rate (per 1,000) | 9.0 | 10.5 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 3.8 | 5.4 | 8.2 | 2024 |
| Population density (/mi²) | 11714.5 | 292.3 | 96.3 | 2024 |
| Per capita personal income | $61,193 | $70,678 | $73,204 | BEA, 2024 |
| Median household income | $61,953 | $77,971 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 21.4% | 11.7% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 35.4% | 35.2% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 15.2% | 7.7% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $243,100 | $254,500 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,397/month | $1,209/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 35.3 years | 40.9 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 51.8% | 69.3% | 65.2% | ACS 2020–2024 5-year |
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With 1,573,916 residents in 2024, Philadelphia County ranks 1st by population among Pennsylvania's 67 counties and is home to 12.0% of the state's residents.
Its population went from 1,514,563 in 2000 to 1,573,916 in 2024, a change of +3.9%, compared with +6.5% for Pennsylvania as a whole.
In the year to July 2024 the county recorded 18,751 births and 14,106 deaths, so births outnumbered deaths by 4,645.
Annual Census estimates since 2000 put the county's highest population at 1,600,788 in 2020. The 2024 figure is 26,872 lower.
Philadelphia County has about 11714.5 residents per square mile of land, ranking 1st of 67 counties; Pennsylvania averages 292.3.
With a median household income of $61,953 (ACS 2020–2024 5-year), the county ranks 51st of 67 Pennsylvania counties; the state median is $77,971.
Its economy produced $135.0 billion of GDP in 2024 (BEA), 1st largest among 67 Pennsylvania counties.
Real GDP grew 1.5% in 2024, adjusted for inflation (BEA, chained 2017 dollars).