Mount Carroll, Illinois

Mount Carroll population, 2020 to 2024

Mount Carroll lost 46 residents from July 2020 to July 2024, a change of -3.1%. In the latest year it moved by -8.

Mount Carroll covers 2.00 square miles of land, for 717 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Mount Carroll is less dense than the typical town.

What county Mount Carroll is in

All of Mount Carroll's residents live in Carroll County, which had 15,444 residents in 2024. Mount Carroll holds 9.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Mount Carroll

1 ZIP Code Tabulation Area (ZCTA) overlaps Mount Carroll by at least 10% of the ZCTA's or the city's land: 61053. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Mount Carroll is

The Census internal point of Mount Carroll is at 42.094800, -89.976900. Springfield, the capital, is 160.8 miles S in a straight line. The nearest larger place is Lanark, IL (1,463 people), 7.4 miles away. The nearest city of 100,000 or more is Rockford, IL, 48.2 miles away.

Daylight in Mount Carroll

At 42.09° N, Mount Carroll gets about 15 h 15 min of daylight around the June solstice and 9 h 06 min around the December solstice, a swing of 6 h 09 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Mount Carroll

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Lanark, 7.4 miles away, with 1,463 people.