There are 16 cities in Tazewell County, Illinois.
City | Rank | State | 2023 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Pekin | 1 | Illinois | 31,057 | 31,645 | -0.62% | 2,129 | 14.59 |
| East Peoria | 2 | Illinois | 21,985 | 22,423 | -0.66% | 1,088 | 20.20 |
| Morton | 3 | Illinois | 17,205 | 17,097 | 0.21% | 1,346 | 12.78 |
| Washington | 4 | Illinois | 15,843 | 16,046 | -0.42% | 1,873 | 8.46 |
| Creve Coeur | 5 | Illinois | 4,837 | 4,927 | -0.62% | 1,143 | 4.23 |
| Marquette Heights | 6 | Illinois | 2,495 | 2,537 | -0.56% | 2,562 | 0.97 |
| Tremont | 7 | Illinois | 2,242 | 2,278 | -0.53% | 2,429 | 0.92 |
| Mackinaw | 8 | Illinois | 1,836 | 1,881 | -0.81% | 1,549 | 1.19 |
| Delavan | 9 | Illinois | 1,537 | 1,570 | -0.71% | 1,066 | 1.44 |
| North Pekin | 10 | Illinois | 1,437 | 1,473 | -0.83% | 1,031 | 1.39 |
| Minier | 11 | Illinois | 1,131 | 1,155 | -0.7% | 1,988 | 0.57 |
| South Pekin | 12 | Illinois | 963 | 987 | -0.82% | 1,870 | 0.52 |
| Hopedale | 13 | Illinois | 805 | 817 | -0.49% | 913 | 0.88 |
| Deer Creek | 14 | Illinois | 654 | 663 | -0.46% | 1,222 | 0.54 |
| Green Valley | 15 | Illinois | 610 | 628 | -0.97% | 2,027 | 0.30 |
| Armington | 16 | Illinois | 304 | 310 | -0.65% | 1,059 | 0.29 |
Pekin is the largest city in Tazewell County.
Armington is the smallest city in Tazewell County.
There are 16 cities in Tazewell County, Illinois.