ZIP code · Rantoul · Illinois · United States
ZIP code 61866 — Rantoul
ZIP code 61866 serves Rantoul, Illinois.
- Postal code
- 61866Single source Value from one source, not cross-checked.
- City
- Rantoul
- County
- Champaign FIPS 17019
- State
- Illinois
- Country
- United States
- Coordinates
- 40.3107, -88.1462 — precision precise (locality)
View on OpenStreetMap - Population
- 13,407 (ZCTA, ACS 5-year)
- Population density
- 168 / sq mi
- Land area
- 80 sq mi (207.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $51,389
- Per-capita income
- $27,479
- Median age
- 35.3
- Households
- 5,458
- Housing units
- 6,280
- Median home value
- $111,900
- Median gross rent
- $892 / month
- Congressional districts
- IL-2 (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 61866 with another ZIP · ZIPs within 25 miles · distance from 61866
Map of ZIP code 61866
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 40 | 51 | 64 | 75 | 85 | 88 | 86 | 81 | 67 | 52 | 40 |
| Avg low °F | 16 | 20 | 29 | 40 | 51 | 62 | 64 | 62 | 54 | 42 | 31 | 22 |
| Precip in | 2.5 | 2.0 | 2.6 | 4.0 | 4.3 | 4.6 | 4.4 | 3.9 | 3.3 | 3.3 | 3.2 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: RANTOUL (0.7 mi) · NOAA NCEI
Places in ZIP 61866
- 10 schools
- 5 hospitals & clinics
- 3 doctors & dentists
- 3 pharmacies
- 3 supermarkets
- 30 restaurants & cafés
- 5 bars & pubs
- 17 parks
- 35 playgrounds
- 4 gyms & sports centres
- 1 libraries
- 1 post offices
- 18 places of worship
- 6 banks
- 5 gas stations
- 1 EV charging stations
- 3 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