Demographics
Below is the 2020 population for Central Indiana. For more demographic information, visit the 2020 Census page and the 2020 Census visualization tool.
Population
| Boone County | 70,812 |
| Hamilton County | 347,467 |
| Hancock County | 79,840 |
| Hendricks County | 174,788 |
| Johnson County | 161,765 |
| Madison County | 130,129 |
| Marion County | 977,203 |
| Morgan County | 71,780 |
| Shelby County | 45,055 |