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zipcodes.pro — CITY/IL/CARTHAGE

Carthage ZIP code, Illinois

The ZIP code for Carthage, IL is 62321, and its area code is 217.

USPS city name
1 ZIP code
Population
2,291
Area code
217

Carthage in numbers

About 2,291 people live in Carthage, in 1,081 households. The median household income is $77,004 a year, 8% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $112,900 (57% below the Illinois median), and median gross rent is $680 a month. The median age is 47.1; 34.5% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 21 minutes.

Population2,291Carthage2,291
Households1,081Carthage1,081
Median age47.1Carthage47.1Illinois39.0US 38.9
Median household income$77,004Carthage$77,004Illinois$83,390US $80,734
Median home value$112,900Carthage$112,900Illinois$263,300US $332,700
Median gross rent$680Carthage$680Illinois$1,274US $1,413
Bachelor's degree or higher34.5%Carthage34.5%Illinois37.8%US 35.7%
Mean commute20.7 minCarthage20.7 minIllinois27.8 minUS 26.4 min
Population density912 / sq miCarthage912 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Carthage city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Carthage

ZIP codes with the USPS city name Carthage
ZIP City Type Population Median income Median home
62321 Carthage , IL Standard 3,576 $76,825 $123,700

Map of Carthage ZIP codes

62321

The ZIP codes of Carthage, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Carthage

The nearest larger towns are Hamilton (2,714 people, 12 mi), Keokuk, IA (9,662 people, 14 mi) and Fort Madison, IA (10,133 people, 18 mi).

Towns near Carthage
TownPopulationDistance
Hamilton 2,714 12.4 mi
Keokuk, IA 9,662 14.4 mi
Fort Madison, IA 10,133 18.3 mi
Macomb 14,894 23.7 mi
Burlington, IA 23,728 27.1 mi
West Burlington, IA 3,189 28.3 mi
Canton, MO 2,752 28.7 mi

More nearby: every ZIP code in Hancock County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Carthage, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/carthage

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