10 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Eureka | 1 | 5,175 | 5,217 | -0.14% | 1,891 | 3 | City |
| Metamora | 2 | 3,856 | 3,898 | -0.18% | 1,695 | 2 | Village |
| Germantown Hills | 3 | 3,463 | 3,423 | 0.2% | 1,981 | 2 | Village |
| El Paso | 4 | 2,724 | 2,747 | -0.15% | 1,270 | 2 | City |
| Roanoke | 5 | 1,914 | 1,955 | -0.36% | 2,041 | 1 | Village |
| Minonk | 6 | 1,885 | 1,924 | -0.32% | 785 | 2 | City |
| Goodfield | 7 | 963 | 948 | 0.31% | 572 | 2 | Village |
| Congerville | 8 | 507 | 494 | 0.4% | 526 | 1 | Village |
| Benson | 9 | 400 | 411 | -0.5% | 2,454 | 0 | Village |
| Secor | 10 | 336 | 339 | 0% | 1,159 | 0 | Village |
Eureka is the largest city in Woodford County, with a population of 5,175.
Secor is the smallest city in Woodford County, with a population of 336.
There are 10 cities in Woodford County, Illinois.