ZIP code · Champaign · Illinois · United States
ZIP code 61820 — Champaign
ZIP code 61820 serves Champaign, Illinois.
- Postal code
- 61820Single source Value from one source, not cross-checked.
- City
- Champaign
- County
- Champaign FIPS 17019
- State
- Illinois
- Country
- United States
- Coordinates
- 40.1110, -88.2407 — precision precise (locality)
View on OpenStreetMap - Population
- 38,481 (ZCTA, ACS 5-year)
- Population density
- 6,484 / sq mi
- Land area
- 5.9 sq mi (15.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $31,031
- Per-capita income
- $22,362
- Median age
- 22.2
- Households
- 15,379
- Housing units
- 18,672
- Median home value
- $175,900
- Median gross rent
- $1,077 / month
- Congressional district
- IL-13 (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 61820 with another ZIP · ZIPs within 25 miles · distance from 61820
Map of ZIP code 61820
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 38 | 50 | 63 | 74 | 83 | 85 | 84 | 79 | 66 | 51 | 39 |
| Avg low °F | 18 | 21 | 31 | 42 | 53 | 62 | 65 | 64 | 56 | 44 | 32 | 24 |
| Precip in | 2.3 | 2.2 | 2.8 | 3.9 | 4.8 | 4.6 | 4.5 | 3.5 | 3.4 | 3.4 | 3.2 | 2.4 |
NOAA 1991–2020 climate normals from the nearest station: CHAMPAIGN 3S (1.9 mi) · NOAA NCEI
Places in ZIP 61820
- 22 schools
- 1 colleges & universities
- 15 hospitals & clinics
- 12 doctors & dentists
- 5 pharmacies
- 7 supermarkets
- 206 restaurants & cafés
- 32 bars & pubs
- 33 parks
- 27 playgrounds
- 30 gyms & sports centres
- 3 libraries
- 2 post offices
- 30 places of worship
- 16 banks
- 8 gas stations
- 4 EV charging stations
- 7 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