Carroll, Iowa

Carroll population, 2020 to 2024

Carroll lost 184 residents from July 2020 to July 2024, a change of -1.8%. In the latest year it moved by -44. Among 85 Iowa places of 5,000 or more, that growth ranks 76th; the median place changed by +1.1%. The median place of 5,000+ in Iowa has 9,511 people, so Carroll is 1.1 times that size.

Carroll covers 6.01 square miles of land, for 1,685 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Carroll is denser than the typical town.

What county Carroll is in

All of Carroll's residents live in Carroll County, which had 20,407 residents in 2024. Carroll holds 49.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Carroll

1 ZIP Code Tabulation Area (ZCTA) overlaps Carroll by at least 10% of the ZCTA's or the city's land: 51401. 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 Carroll is

The Census internal point of Carroll is at 42.070300, -94.864600. Des Moines, the capital, is 72.9 miles ESE in a straight line. The nearest larger place is Storm Lake, IA (11,627 people), 43.1 miles away. The nearest city of 100,000 or more is Des Moines, IA, 73.2 miles away.

Daylight in Carroll

At 42.07° N, 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 Carroll

The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Glidden, 7.1 miles away, with 1,140 people.