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

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

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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