ZIP code · Carthage · Illinois · United States
ZIP code 62321 — Carthage
ZIP code 62321 serves Carthage, Illinois.
- Postal code
- 62321Single source Value from one source, not cross-checked.
- City
- Carthage
- County
- Hancock FIPS 17067
- State
- Illinois
- Country
- United States
- Coordinates
- 40.4129, -91.1005 — precision precise (locality)
View on OpenStreetMap - Population
- 3,682 (ZCTA, ACS 5-year)
- Population density
- 22 / sq mi
- Land area
- 167.6 sq mi (434 km²) (ZCTA, ACS 5-year)
- Median household income
- $74,859
- Per-capita income
- $39,631
- Median age
- 50
- Households
- 1,597
- Housing units
- 1,892
- Median home value
- $120,600
- Median gross rent
- $677 / month
- Congressional district
- IL-15 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 217Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 62321 with another ZIP · ZIPs within 25 miles · distance from 62321
Map of ZIP code 62321
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 39 | 51 | 63 | 74 | 83 | 86 | 85 | 79 | 66 | 51 | 39 |
| Avg low °F | 18 | 22 | 32 | 42 | 53 | 63 | 67 | 64 | 56 | 44 | 33 | 24 |
| Precip in | 1.7 | 2.0 | 2.6 | 4.1 | 5.3 | 4.8 | 4.3 | 4.2 | 3.7 | 3.2 | 2.5 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: BENTLEY (4.8 mi) · NOAA NCEI
Places in ZIP 62321
- 5 schools
- 1 hospitals & clinics
- 2 restaurants & cafés
- 1 bars & pubs
- 6 parks
- 1 playgrounds
- 1 libraries
- 10 places of worship
- 1 banks
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page