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 (mi²)
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

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

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

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