Grant County Flag

Grant County

State:
Indiana
County Seat:
Marion

Grant County's estimated 2025 population is 66,614 with a growth rate of 0.31% in the past year according to the most recent United States census data. Grant County is the 26th largest county in Indiana. The 2010 population was 69,906 and has seen a growth of -4.71% since that time.

66,614
Total Population
161
Population Density (miĀ²)
26
Population Rank (State)
207 0.31%
Annual Population Growth

Grant County Population

Grant County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Grant County includes 84.99% White, 4.85% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White56,41284.99%
Two or more races5,0347.58%
Black or African American3,2204.85%
Other race7181.08%
Asian6030.91%
Native American3690.56%
Native Hawaiian or Pacific Islander210.03%

Grant County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grant County's average per capita income is $41,012. Household income levels show a median of $54,007. The poverty rate stands at 18.83%.

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$85,255$100,414
Families$69,127$84,534
Households$54,007$70,918
Non Families$34,839$44,789

$41,012

Average Income

$54,007

Median Household Income

18.83%

Poverty Rate