Carroll County, Illinois Cities (2025)

17 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Savanna township13,3103,405-0.51%24813.35 Township
York township22,7502,771-0.11%5847.47 Township
Savanna32,6702,774-0.78%1,0212.62 City
Rock Creek-Lima township41,9281,980-0.41%3654.05 Township
Mount Carroll township51,9001,959-0.58%5037.75 Township
Thomson61,5941,611-0.19%7182.22 Village
Cherry Grove-Shannon township71,5801,541-0.25%2953.61 Township
Lanark81,4441,498-0.76%1,2881.12 City
Mount Carroll91,4181,475-0.77%7082 City
Wysox township101,2971,335-0.54%3438.08 Township
Milledgeville119881,023-0.7%1,4320.69 Village
Lake Carroll129475007.13%7013.55 CDP
Shannon138808001.85%1,8260.48 Village
Freedom township14773780-0.13%2235.82 Township
Fairhaven township15759767-0.13%2038.21 Township
Chadwick16473482-0.42%1,5210.31 Village
Elkhorn Grove township171891890.53%1019.53 Township