14 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pontiac | 1 | 10,977 | 11,208 | -0.34% | 1,306 | 8 | City |
| Dwight | 2 | 4,035 | 4,026 | 0.05% | 1,044 | 4 | Village |
| Fairbury | 3 | 3,540 | 3,633 | -0.42% | 1,937 | 2 | City |
| Chatsworth | 4 | 1,150 | 1,186 | -0.52% | 429 | 3 | Town |
| Flanagan | 5 | 1,015 | 1,039 | -0.39% | 1,762 | 1 | Village |
| Forrest | 6 | 1,007 | 1,043 | -0.59% | 1,554 | 1 | Village |
| Odell | 7 | 972 | 1,005 | -0.51% | 903 | 1 | Village |
| Cullom | 8 | 500 | 517 | -0.6% | 1,479 | 0 | Village |
| Cornell | 9 | 437 | 449 | -0.46% | 668 | 1 | Village |
| Saunemin | 10 | 404 | 409 | -0.25% | 1,749 | 0 | Village |
| Long Point | 11 | 197 | 202 | -0.51% | 1,065 | 0 | Village |
| Campus | 12 | 138 | 143 | -0.72% | 1,500 | 0 | Village |
| Strawn | 13 | 101 | 104 | 0% | 821 | 0 | Village |
| Emington | 14 | 98 | 101 | 0% | 1,181 | 0 | Village |
Pontiac is the largest city in Livingston County, with a population of 10,977.
Emington is the smallest city in Livingston County, with a population of 98.
There are 14 cities in Livingston County, Illinois.