23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Eureka | 1 | 5,166 | 5,216 | -0.19% | 1,887 | 2.74 | City |
| Olio township | 2 | 4,691 | 4,700 | 0.19% | 149 | 31.43 | Township |
| Metamora township | 3 | 4,527 | 4,532 | 0.22% | 124 | 36.44 | Township |
| Metamora | 4 | 3,854 | 3,896 | -0.21% | 1,694 | 2.27 | Village |
| Germantown Hills | 5 | 3,452 | 3,421 | 0.17% | 2,022 | 1.71 | Village |
| El Paso township | 6 | 3,407 | 3,413 | 0.21% | 141 | 24.22 | Township |
| El Paso | 7 | 2,723 | 2,752 | -0.22% | 1,269 | 2.15 | City |
| Spring Bay township | 8 | 2,553 | 2,519 | 0.55% | 252 | 10.11 | Township |
| Roanoke township | 9 | 2,412 | 2,421 | 0.25% | 66 | 36.76 | Township |
| Minonk township | 10 | 2,100 | 2,120 | 0.1% | 57 | 36.63 | Township |
| Roanoke | 11 | 1,920 | 1,955 | -0.36% | 2,047 | 0.94 | Village |
| Minonk | 12 | 1,887 | 1,924 | -0.37% | 786 | 2.40 | City |
| Cruger township | 13 | 1,860 | 1,854 | 0.38% | 109 | 17.11 | Township |
| Cazenovia township | 14 | 1,628 | 1,642 | 0.06% | 45 | 36.14 | Township |
| Goodfield | 15 | 969 | 948 | 0.41% | 575 | 1.68 | Village |
| Partridge township | 16 | 581 | 581 | 0.17% | 22 | 26.15 | Township |
| Congerville | 17 | 514 | 494 | 0.78% | 534 | 0.96 | Village |
| Greene township | 18 | 443 | 450 | -0.45% | 12 | 35.78 | Township |
| Benson | 19 | 402 | 411 | -0.5% | 2,466 | 0.16 | Village |
| Panola township | 20 | 383 | 379 | 0.52% | 11 | 36.44 | Township |
| Secor | 21 | 331 | 340 | -0.6% | 1,141 | 0.29 | Village |
| Linn township | 22 | 278 | 278 | 0.36% | 8 | 36.63 | Township |
| Lowpoint | 23 | 195 | 145 | 7.14% | 859 | 0.23 | CDP |
Eureka is the largest city in Woodford County, with a population of 5,166.
Lowpoint is the smallest city in Woodford County.
There are 23 cities in Woodford County, Illinois.