Montgomery County Flag

Montgomery County

State:
Maryland
County Seat:
Rockville

Montgomery County's estimated 2025 population is 1,069,288 with a growth rate of 0.51% in the past year according to the most recent United States census data. Montgomery County is the 1st largest county in Maryland. The 2010 population was 975,619 and has seen a growth of 9.6% since that time.

1,069,288
Total Population
2,169
Population Density (mi²)
1
Population Rank (State)
5.4K 0.51%
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 44.38% White, 18.61% Black or African American, 15.19% Asian, 11.13% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White469,35944.38%
Black or African American196,86218.61%
Asian160,62315.19%
Other race117,72611.13%
Two or more races107,32510.15%
Native American5,2310.49%
Native Hawaiian or Pacific Islander4600.04%

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 $72,512. Household income levels show a median of $128,733. The poverty rate stands at 7.08%.

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$185,334$236,854
Families$158,399$207,448
Households$128,733$177,086
Non Families$79,495$103,739

$72,512

Average Income

$128,733

Median Household Income

7.08%

Poverty Rate