Montgomery County Flag

Montgomery County

State:
Pennsylvania
County Seat:
Norristown

Montgomery County's estimated 2025 population is 876,138 with a growth rate of 0.42% in the past year according to the most recent United States census data. Montgomery County is the 3rd largest county in Pennsylvania. The 2010 population was 800,881 and has seen a growth of 9.4% since that time.

876,138
Total Population
1,814
Population Density (mi²)
3
Population Rank (State)
3.7K 0.42%
Annual Population Growth

Montgomery County Population

Montgomery County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Montgomery County includes 74.4% White, 9.27% Black or African American, 7.81% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Asian

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White640,75974.4%
Black or African American79,8049.27%
Asian67,2957.81%
Two or more races53,4256.2%
Other race18,1422.11%
Native American1,5460.18%
Native Hawaiian or Pacific Islander2540.03%

Montgomery County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Montgomery County's average per capita income is $68,450. Household income levels show a median of $111,521. The poverty rate stands at 6.51%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$158,656$206,520
Families$140,263$185,887
Households$111,521$154,372
Non Families$60,861$86,088

$68,450

Average Income

$111,521

Median Household Income

6.51%

Poverty Rate