Burlington County, NJ vs Philadelphia County, PA
Neighbouring counties across the New Jersey and Pennsylvania state line, compared on population, size, income and housing. They share 6.3 mi of border.
Burlington County
New Jersey
Philadelphia County
Pennsylvania
Both outlines are drawn at true relative size. Burlington County spans about 65.3 km at its widest.
Side by side
| Measure | Burlington County | Difference | Philadelphia County |
|---|---|---|---|
| Population | 481,439 | -69.4% | 1,574,281 |
| Change since 2020 | 4.3% | +6.0 pp | -1.7% |
| Land area | 799.3 sq mi | +495.0% | 134.3 sq mi |
| Population density | 602 per sq mi | -94.9% | 11,720 per sq mi |
| Median household income | $108,111 | +74.5% | $61,953 |
| Median home value | $354,000 | +45.6% | $243,100 |
| Median age | 41.7 | +18.1% | 35.3 |
| Households | 177,222 | -73.9% | 679,428 |
| Housing units | 186,315 | -75.1% | 748,270 |
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026; US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. The difference column is computed here: the first county's figure against the second, expressed as a percentage of the second. The change-since-2020 row is the exception: two growth rates differ in percentage points (pp), not percent. Retrieved 30 August 2026.
What the numbers say
- Philadelphia County holds about 3.3 times the population of Burlington County: 1,574,281 against 481,439.
- Burlington County covers more ground, at 799.3 square miles against 134.3.
- Philadelphia County is the more crowded of the two, at 11,720 people per square mile against 602.
- Median household income is higher in Burlington County, by 46,158 dollars a year.
- Since 2020, Burlington County has grown by 4.3% and Philadelphia County has shrunk by 1.7%.
- They share 6.3 mi of common border, which the Census Bureau publishes in its county adjacency file and which almost no other county reference presents.
Full pages
Want a different pair? Compare any two of the 3,144 US counties.
Rebuilt from source data 30 August 2026. How these figures are produced.