Peoria County, Illinois Cities (2026)

34 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Peoria1111,073112,942-0.28%2,30848 City
Peoria City297,40597,7170.43%2,43240 Township
Limestone318,40118,2890.72%51436 Township
Medina414,11014,0370.59%52627 Township
Kickapoo58,2898,2560.56%25832 Township
Chillicothe68,2548,2410.56%45818 Township
Chillicothe76,0226,111-0.25%1,1425 City
Richwoods85,8445,8960.34%1,9613 Township
Bartonville95,7895,929-0.4%7198 Village
Peoria Heights105,7565,894-0.4%2,3092 Village
Radnor115,2505,2410.56%14237 Township
West Peoria124,1774,257-0.31%1,9832 City
Elmwood132,4852,5000.36%6936 Township
Timber142,2832,2730.71%6436 Township
Elmwood152,0262,070-0.34%1,4511 City
Bellevue161,9171,8740.37%8622 Village
Hollis171,8181,8120.55%7724 Township
Jubilee181,7741,7620.68%4936 Township
Princeville191,7171,723-0.06%1,0142 Village
Princeville201,6411,6310.55%4536 Township
Rome211,5991,656-0.62%4436 Township
Dunlap221,5881,612-0.25%5703 Village
Hallock231,5781,5730.57%4436 Township
Hanna City241,2401,263-0.32%9111 Village
Rosefield251,2251,2210.57%3436 Township
Brimfield261,1821,1740.77%3236 Township
Akron271,0051,0010.4%2836 Township
Trivoli281,0051,0010.6%2836 Township
Glasford29843860-0.35%9281 Village
Brimfield30766777-0.26%8321 Village
Norwood31431437-0.23%1,4040 Village
Kingston Mines32265271-0.38%1841 Village
Mapleton33251257-0.4%2841 Village
West Peoria34000.002 Township

Peoria County Cities Summary

Largest City

Peoria is the largest city in Peoria County, with a population of 111,073.

Smallest City

West Peoria is the smallest city in Peoria County, with a population of 0.

10 Largest Cities

There are 34 cities in Peoria County, Illinois.

Location of Peoria County