Carthage, Illinois

Carthage population, 2020 to 2024

Carthage lost 75 residents from July 2020 to July 2024, a change of -3.0%. In the latest year it moved by -26.

Carthage covers 2.51 square miles of land, for 969 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Carthage is less dense than the typical town.

What county Carthage is in

All of Carthage's residents live in Hancock County, which had 17,008 residents in 2024. Carthage holds 14.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Carthage

1 ZIP Code Tabulation Area (ZCTA) overlaps Carthage by at least 10% of the ZCTA's or the city's land: 62321. 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 Carthage is

The Census internal point of Carthage is at 40.414300, -91.128100. Springfield, the capital, is 89.5 miles ESE in a straight line. The nearest larger place is Hamilton, IL (2,662 people), 12.4 miles away. The nearest city of 100,000 or more is Peoria, IL, 82.6 miles away.

Daylight in Carthage

At 40.41° N, Carthage gets about 15 h 04 min of daylight around the June solstice and 9 h 17 min around the December solstice, a swing of 5 h 47 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Carthage

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Hamilton, 12.4 miles away, with 2,662 people.