Marion is located in Grant County, Indiana. Marion has a 2025 population of 1,946 . It is also the county seat of Grant County . Marion is currently growing at a rate of 0.67% annually and its population has increased by 0.93% since the most recent census, which recorded a population of 1,928 in 2020.
The average household income in Marion is $96,009 with a poverty rate of 6.83%. The median age in Marion is 55.4 years: 48.2 years for males, and 60.4 years for females. For every 100 females there are 106.5 males.
Data after 2023 is projected based on recent change
The racial composition of Marion includes 95.93% White, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.
White (95.93%)
Two or more races (2.58%)
Other race (0.82%)
Black or African American (0.66%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,745 | 95.93% |
| Two or more races | 47 | 2.58% |
| Other race | 15 | 0.82% |
| Black or African American | 12 | 0.66% |
Married
Widowed
Divorced
Separated
Never Married
Marion's average per capita income is $59,907. Household income levels show a median of $91,538. The poverty rate stands at 6.83%.
Name | Median | Mean |
|---|---|---|
| Married Families | $130,380 | - |
| Families | $125,139 | $123,210 |
| Households | $91,538 | $96,009 |
| Non Families | $44,329 | $60,651 |
Average Income
Median Household Income
Poverty Rate