Cities in Peoria County, Illinois by Population (2024)

There are 26 cities in Peoria County, Illinois.

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.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Peoria1Illinois109,192112,850-0.83%2,26948.13
Pekin2Illinois30,84131,679-0.67%1,96215.72
Chillicothe3Illinois5,8976,113-0.91%1,1185.27
Bartonville4Illinois5,7055,929-0.97%7098.05
Peoria Heights5Illinois5,6765,894-0.94%2,2772.49
West Peoria6Illinois4,0934,251-0.94%1,9432.11
Farmington7Illinois2,2992,385-0.91%1,5281.50
Elmwood8Illinois1,9852,055-0.85%1,4221.40
Bellevue9Illinois1,8151,877-0.82%8162.22
Rome10Illinois1,7031,3942.96%8861.92
Princeville11Illinois1,5951,629-0.5%9421.69
Dunlap12Illinois1,5611,611-0.76%5612.78
Lake Camelot13Illinois1,4991,631-2.15%8611.74
Hanna City14Illinois1,2221,262-0.81%8981.36
Glasford15Illinois829861-0.96%9130.91
Brimfield16Illinois750774-0.79%8140.92
Williamsfield17Illinois542568-1.09%4401.23
Trivoli18Illinois4883805.86%3211.52
Norwood19Illinois423437-0.7%1,3780.31
Hopewell20Illinois4184180%3681.14
Sparland21Illinois3583580%6260.57
Kingston Mines22Illinois257269-1.15%1781.44
Smithville23Illinois2551718.97%2021.26
Mapleton24Illinois244256-1.21%2760.89
Mossville25Illinois177263-10.61%1421.25
Norris26Illinois167173-0.6%5900.28
showing: 26 rows

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?

Norris is the smallest city in Peoria County.

How many cities are in Peoria County?

There are 26 cities in Peoria County, Illinois.

Frequently Asked Questions