73 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chatfield | 1 | 3,028 | 3,002 | 0.17% | 1,170 | 3 | City |
| Chatfield | 2 | 3,028 | 3,003 | 0.17% | 1,170 | 3 | City |
| Spring Valley | 3 | 2,442 | 2,457 | -0.12% | 826 | 3 | City |
| Spring Valley | 4 | 2,442 | 2,457 | -0.12% | 826 | 3 | City |
| Rushford | 5 | 1,849 | 1,865 | -0.16% | 1,121 | 2 | City |
| Rushford | 6 | 1,849 | 1,863 | -0.16% | 1,121 | 2 | City |
| Preston | 7 | 1,315 | 1,320 | -0.08% | 533 | 2 | City |
| Preston | 8 | 1,315 | 1,319 | -0.08% | 533 | 2 | City |
| Harmony | 9 | 1,026 | 1,047 | -0.39% | 920 | 1 | City |
| Harmony | 10 | 1,026 | 1,046 | -0.39% | 920 | 1 | City |
| Rushford Village | 11 | 800 | 794 | 0.13% | 24 | 34 | City |
| Rushford Village | 12 | 800 | 795 | 0.13% | 24 | 34 | City |
| Lanesboro | 13 | 709 | 725 | -0.42% | 468 | 2 | City |
| Lanesboro | 14 | 709 | 724 | -0.42% | 468 | 2 | City |
| Mabel | 15 | 702 | 718 | -0.43% | 1,459 | 0 | City |
| Mabel | 16 | 702 | 717 | -0.43% | 1,459 | 0 | City |
| Canton | 17 | 676 | 652 | 0.15% | 19 | 35 | Township |
| Canton | 18 | 676 | 654 | 0.15% | 19 | 35 | Township |
| Spring Valley | 19 | 560 | 541 | 0.18% | 18 | 32 | Township |
| Spring Valley | 20 | 560 | 543 | 0.18% | 18 | 32 | Township |
| Chatfield | 21 | 546 | 524 | 0.37% | 16 | 34 | Township |
| Chatfield | 22 | 546 | 526 | 0.37% | 16 | 34 | Township |
| Fillmore | 23 | 503 | 483 | 0.2% | 14 | 35 | Township |
| Fillmore | 24 | 503 | 485 | 0.2% | 14 | 35 | Township |
| Sumner | 25 | 501 | 485 | 0% | 13 | 38 | Township |
| Sumner | 26 | 501 | 487 | 0% | 13 | 38 | Township |
| Newburg | 27 | 450 | 432 | 0.45% | 13 | 35 | Township |
| Newburg | 28 | 450 | 434 | 0.45% | 13 | 35 | Township |
| Bristol | 29 | 435 | 419 | 0.46% | 12 | 36 | Township |
| Bristol | 30 | 435 | 418 | 0.46% | 12 | 36 | Township |
| Wykoff | 31 | 429 | 432 | -0.23% | 460 | 1 | City |
| Wykoff | 32 | 429 | 431 | -0.23% | 460 | 1 | City |
| Amherst | 33 | 427 | 410 | 0.47% | 12 | 36 | Township |
| Amherst | 34 | 427 | 409 | 0.47% | 12 | 36 | Township |
| Harmony | 35 | 406 | 388 | 0.74% | 12 | 35 | Township |
| Harmony | 36 | 406 | 387 | 0.74% | 12 | 35 | Township |
| Fountain | 37 | 405 | 409 | -0.25% | 407 | 1 | City |
| Fountain | 38 | 405 | 408 | -0.25% | 407 | 1 | City |
| Carrolton | 39 | 388 | 370 | 0.78% | 10 | 38 | Township |
| Carrolton | 40 | 388 | 372 | 0.78% | 10 | 38 | Township |
| Pilot Mound | 41 | 386 | 373 | 0% | 11 | 34 | Township |
| Pilot Mound | 42 | 386 | 375 | 0% | 11 | 34 | Township |
| Preston | 43 | 386 | 370 | 0.78% | 11 | 35 | Township |
| Preston | 44 | 386 | 370 | 0.78% | 11 | 35 | Township |
| Norway | 45 | 381 | 368 | 0% | 11 | 36 | Township |
| Norway | 46 | 381 | 368 | 0% | 11 | 36 | Township |
| York | 47 | 380 | 365 | 0.53% | 11 | 36 | Township |
| York | 48 | 380 | 365 | 0.53% | 11 | 36 | Township |
| Forestville | 49 | 377 | 365 | 0% | 10 | 36 | Township |
| Forestville | 50 | 377 | 365 | 0% | 10 | 36 | Township |
| Bloomfield | 51 | 336 | 324 | 0.3% | 9 | 36 | Township |
| Bloomfield | 52 | 336 | 324 | 0.3% | 9 | 36 | Township |
| Arendahl | 53 | 316 | 306 | 0% | 9 | 36 | Township |
| Arendahl | 54 | 316 | 306 | 0% | 9 | 36 | Township |
| Fountain | 55 | 315 | 300 | 0.64% | 9 | 35 | Township |
| Fountain | 56 | 315 | 300 | 0.64% | 9 | 35 | Township |
| Canton | 57 | 313 | 312 | 0% | 304 | 1 | City |
| Canton | 58 | 313 | 312 | 0% | 304 | 1 | City |
| Carimona | 59 | 294 | 284 | 0% | 8 | 36 | Township |
| Carimona | 60 | 294 | 284 | 0% | 8 | 36 | Township |
| Holt | 61 | 243 | 236 | 0% | 7 | 32 | Township |
| Holt | 62 | 243 | 236 | 0% | 7 | 32 | Township |
| Peterson | 63 | 225 | 232 | -0.88% | 474 | 0 | City |
| Peterson | 64 | 225 | 232 | -0.88% | 474 | 0 | City |
| Ostrander | 65 | 224 | 231 | -0.88% | 472 | 0 | City |
| Ostrander | 66 | 224 | 231 | -0.88% | 472 | 0 | City |
| Beaver | 67 | 220 | 211 | 0.46% | 6 | 36 | Township |
| Beaver | 68 | 220 | 211 | 0.46% | 6 | 36 | Township |
| Preble | 69 | 215 | 208 | 0% | 6 | 36 | Township |
| Preble | 70 | 215 | 208 | 0% | 6 | 36 | Township |
| High Forest | 71 | 165 | 118 | 7.14% | 506 | 0 | CDP |
| Whalan | 72 | 69 | 66 | 0% | 160 | 0 | City |
| Whalan | 73 | 69 | 66 | 0% | 160 | 0 | City |
Chatfield is the largest city in Fillmore County, with a population of 3,028.
Whalan is the smallest city in Fillmore County, with a population of 69.
There are 73 cities in Fillmore County, Minnesota.