Montgomery County's 2026 population is estimated at 880,126, reflecting a 0.28% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Montgomery County is the 3rd largest county in Pennsylvania. The 2010 population was 800,881 and has grown 9.89% since 2010.
Overall: 41.2 years
Female: 42.4 years
Male: 40.2 years
There are 682,880 adults, (163,106 of whom are seniors) in Montgomery County.
Female: 442,276 (51%)
Male: 425,297 (49%)
The racial composition of Montgomery County includes 73.06% White, 9.33% Black or African American, 8.07% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 633,871 | 73.06% |
| Black or African American | 80,978 | 9.33% |
| Asian | 69,994 | 8.07% |
| Two or more races | 60,633 | 6.99% |
| Other race | 20,876 | 2.41% |
| Native American | 1,047 | 0.12% |
| Native Hawaiian or Pacific Islander | 174 | 0.02% |
Montgomery County 's average per capita income is $70,663. Household income levels show a median of $113,915. The poverty rate stands at 6.51%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $162,628 | $213,063 |
| Families | $143,804 | $191,881 |
| Households | $113,915 | $158,091 |
| Non Families | $61,754 | $87,225 |
Average Income
Median Household Income
Poverty Rate