Montgomery County, Pennsylvania

Montgomery County, Pennsylvania, had an estimated population of 877,643 in 2025 across 1,251 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Pennsylvania's counties and nationally.

Population
877,643
2025 estimate
Area
1,251 km²
Density
702
per km²
Median income
$113,915
household, ACS 2024
Median age
41.2
years, ACS 2024
How Pennsylvania's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202494.3%
Median Gross Rent2024$1,683
Median Home Value2024$436,700
Owner-Occupied Homes202471.4%
Vacant Homes20244.2%
Demography
IndicatorValue
Aged 65 and Over202418.8%
American Indian & Alaska Native20240.0%
Asian, non-Hispanic20248.0%
Average Household Size2024people2.5
Black, non-Hispanic20249.2%
Foreign-Born202411.5%
Hispanic or Latino20246.7%
Median Age2024years41.2
Sex Ratio2024per 1,000 males1,040
Speak a Language Other Than English202414.7%
Under 18202421.3%
Veterans20244.7%
White, non-Hispanic202471.5%
Economy
IndicatorValue
Below Poverty Line20246.5%
Households on SNAP20246.6%
Income Inequality2024index0.473
Median Household Income2024$113,915
Per Capita Income2024$62,159
Unemployment Rate20244.5%
Education
IndicatorValue
Bachelor's Degree or Higher202453.0%
High School or Higher202495.1%
Health Coverage
IndicatorValue
No Health Insurance20243.9%
With a Disability202410.7%
Population & Density
IndicatorValue
Population2025877,643
Population Density2025/km²702
Work & Commute
IndicatorValue
Commute by Public Transit20242.9%
Households with No Vehicle20245.7%
Mean Commute Time2024minutes27.8
Work from Home202423.3%
Compare Montgomery County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.