ZIP code · Charleston · Illinois · United States
ZIP code 61920 — Charleston
ZIP code 61920 serves Charleston, Illinois.
- Postal code
- 61920Single source Value from one source, not cross-checked.
- City
- Charleston
- County
- Coles FIPS 17029
- State
- Illinois
- Country
- United States
- Coordinates
- 39.4869, -88.1761 — precision precise (locality)
View on OpenStreetMap - Population
- 20,703 (ZCTA, ACS 5-year)
- Population density
- 140 / sq mi
- Land area
- 148.3 sq mi (384.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,229
- Per-capita income
- $33,159
- Median age
- 30.6
- Households
- 8,625
- Housing units
- 9,786
- Median home value
- $144,700
- Median gross rent
- $823 / month
- Congressional districts
- IL-12 (also 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)
Tools: compare 61920 with another ZIP · ZIPs within 25 miles · distance from 61920
Map of ZIP code 61920
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 43 | 54 | 67 | 77 | 86 | 88 | 87 | 81 | 69 | 54 | 42 |
| Avg low °F | 21 | 25 | 34 | 44 | 54 | 63 | 66 | 64 | 57 | 46 | 35 | 26 |
| Precip in | 2.5 | 2.7 | 3.1 | 5.1 | 4.5 | 4.8 | 4.4 | 2.9 | 3.1 | 3.9 | 3.7 | 2.8 |
NOAA 1991–2020 climate normals from the nearest station: CHARLESTON (0.9 mi) · NOAA NCEI
Places in ZIP 61920
- 5 schools
- 1 colleges & universities
- 2 pharmacies
- 2 supermarkets
- 25 restaurants & cafés
- 3 bars & pubs
- 26 parks
- 16 playgrounds
- 7 gyms & sports centres
- 2 libraries
- 1 post offices
- 26 places of worship
- 4 banks
- 4 gas stations
- 1 EV charging stations
- 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