Marion County's estimated 2026 population is 993,576 with a growth rate of 0.6% in the past year according to the most recent United States census data. Marion County is the largest county in Indiana. The 2010 population was 904,604 and has seen a growth of 9.84% since that time.
Data after 2023 is projected based on recent change
The racial composition of Marion County includes 54.18% White, 27.64% Black or African American, 5.68% other race, 3.93% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (54.18%)
Black or African American (27.64%)
Two or more races (8.13%)
Other race (5.68%)
Asian (3.93%)
Native American (0.44%)
Native Hawaiian or Pacific Islander (0.01%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 526,517 | 54.18% |
| Black or African American | 268,634 | 27.64% |
| Two or more races | 78,968 | 8.13% |
| Other race | 55,159 | 5.68% |
| Asian | 38,178 | 3.93% |
| Native American | 4,231 | 0.44% |
| Native Hawaiian or Pacific Islander | 135 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Marion County's average per capita income is $45,859. Household income levels show a median of $63,450. The poverty rate stands at 15.12%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,092 | $130,807 |
| Families | $80,642 | $107,606 |
| Households | $63,450 | $87,280 |
| Non Families | $44,008 | $59,126 |
Average Income
Median Household Income
Poverty Rate