13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bloomington | 1 | 78,682 | 79,077 | -0.1% | 3,384 | 23.25 | City |
| Perry township | 2 | 52,289 | 52,784 | -0.3% | 1,479 | 35.35 | Township |
| Bloomington township | 3 | 41,835 | 42,133 | -0.23% | 1,142 | 36.63 | Township |
| Ellettsville | 4 | 6,721 | 6,653 | 0.21% | 1,299 | 5.17 | Town |
| Clear Creek township | 5 | 5,276 | 5,321 | -0.28% | 171 | 30.87 | Township |
| Benton township | 6 | 3,242 | 3,253 | -0.18% | 59 | 54.88 | Township |
| Bean Blossom township | 7 | 2,893 | 2,934 | -0.55% | 80 | 36.34 | Township |
| Clear Creek township | 8 | 1,980 | 1,970 | -0.05% | 56 | 35.66 | Township |
| Indian Creek township | 9 | 1,568 | 1,547 | 0.19% | 45 | 35.07 | Township |
| Salt Creek township | 10 | 1,440 | 1,452 | -0.28% | 54 | 26.67 | Township |
| Harrodsburg | 11 | 291 | 592 | -8.49% | 67 | 4.31 | CDP |
| Polk township | 12 | 278 | 281 | -0.36% | 8 | 34.16 | Township |
| Stinesville | 13 | 202 | 201 | 0% | 1,820 | 0.11 | Town |
Bloomington is the largest city in Monroe County, with a population of 78,682.
Stinesville is the smallest city in Monroe County.
There are 13 cities in Monroe County, Indiana.