Grundy 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
Morris114,60614,2120.68%1,17912.4City
Minooka212,91812,7600.3%1,3769.4Village
Coal City35,8135,6970.5%1,0085.8Village
Diamond42,7002,6270.67%1,4211.9Village
Gardner51,3641,3580.07%4682.9Village
Mazon69809780%1,6280.6Village
Braceville77237210%2323.1Village
South Wilmington87197050.42%1,4610.5Village
Godley96485723.02%5981.1Village
Rest Haven105825507.58%8510.7CDP
Custer Park115184977.69%3,2990.2CDP
Lakewood Shores12417566-13.84%1,1980.3CDP
Carbon Hill133843750.52%2,1100.2Village
Lisbon142762710.36%1302.1Village
Plattville152232190.45%992.3Village
Verona162112060.48%1,2790.2Village
Ritchie171801647.78%1741.0CDP
Symerton18123126-0.81%7830.2Village
Kinsman1990900%1,3240.1Village
East Brooklyn2082800%1,5770.1Village
Lorenzo2170317.69%2270.3CDP

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 Grundy County, Illinois?

Morris is the largest city in Grundy County.

What is the smallest city in Grundy County, Illinois?

Lorenzo is the smallest city in Grundy County.

How many cities are in Grundy County?

There are 21 cities in Grundy County, Illinois.

Frequently Asked Questions