Peoria County, Illinois Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Peoria1109,665112,845-0.72%2,27948.1City
Chillicothe25,9336,109-0.74%1,1255.3City
Bartonville35,7295,929-0.86%7128.1Village
Peoria Heights45,6985,893-0.85%2,2862.5Village
West Peoria54,1184,252-0.82%1,9552.1City
Elmwood61,9922,055-0.8%1,4271.4City
Bellevue71,8261,878-0.71%8212.2Village
Princeville81,6021,629-0.43%9461.7Village
Rome91,5831,394-0.69%8231.9CDP
Dunlap101,5641,611-0.76%5622.8Village
Lake Camelot111,5451,631-0.64%8871.7CDP
Hanna City121,2271,262-0.73%9021.4Village
Glasford13832860-0.83%9160.9Village
Brimfield14756776-0.66%8210.9Village
Trivoli155063807.66%3321.5CDP
Norwood16427439-0.7%1,3910.3Village
Kingston Mines17258268-1.15%1791.4Village
Mossville182572637.98%2061.3CDP
Smithville192481717.36%1961.3CDP
Mapleton20247257-1.2%2790.9Village

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Peoria County, Illinois?

Peoria is the largest city in Peoria County.

What is the smallest city in Peoria County, Illinois?

Mapleton is the smallest city in Peoria County.

How many cities are in Peoria County?

There are 20 cities in Peoria County, Illinois.

Frequently Asked Questions