| Name | Grant County |
| State | Indiana |
| FIPS Code | 18053 |
| County Seat | Marion |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 66,303 |
| Population Growth Rate(2020-2024) | -0.57% |
| Majority Ethnicity | White 87.93% |
| Public School Majority Ethnicity | White 72% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate (May 2026) | 3.9% |
| Sales Tax Rate (2025) | 7% |
| Area Code(s) | 765 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 87.93% |
| African American | 5.02% |
| Hispanic | 5.5% |
| Asian | 0.94% |
| Native American | 0.58% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 71.9% |
| African American | 8.85% |
| Hispanic | 9.09% |
| Asian | 0.46% |
| Native American | 0.15% |
| Hawaiin/Pacific Islander | 0.04% |