7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| New Ulm | 1 | 13,891 | 14,128 | -0.28% | 1,366 | 10 | City |
| Sleepy Eye | 2 | 3,512 | 3,443 | 0.34% | 1,877 | 2 | City |
| Springfield | 3 | 1,977 | 2,031 | -0.45% | 1,053 | 2 | City |
| Hanska | 4 | 384 | 387 | 0% | 1,555 | 0 | City |
| Comfrey | 5 | 372 | 383 | -0.53% | 869 | 0 | City |
| Evan | 6 | 70 | 72 | 0% | 68 | 1 | City |
| Cobden | 7 | 32 | 32 | 0% | 32 | 1 | City |
New Ulm is the largest city in Brown County, with a population of 13,891.
Cobden is the smallest city in Brown County, with a population of 32.
There are 7 cities in Brown County, Minnesota.