ZIP code · Indianola · Illinois · United States
ZIP code 61850 — Indianola
ZIP code 61850 serves Indianola, Illinois.
- Postal code
- 61850Single source Value from one source, not cross-checked.
- City
- Indianola
- County
- Vermilion FIPS 17183
- State
- Illinois
- Country
- United States
- Coordinates
- 39.9268, -87.7388 — precision precise (locality)
View on OpenStreetMap - Population
- 475 (ZCTA, ACS 5-year)
- Population density
- 14 / sq mi
- Land area
- 33.3 sq mi (86.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $53,523
- Per-capita income
- $26,445
- Median age
- 40.3
- Households
- 177
- Housing units
- 202
- Median home value
- $71,300
- 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)
Tools: compare 61850 with another ZIP · ZIPs within 25 miles · distance from 61850
Map of ZIP code 61850
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 37 | 49 | 62 | 73 | 82 | 84 | 83 | 78 | 65 | 50 | 38 |
| Avg low °F | 17 | 20 | 30 | 41 | 53 | 62 | 64 | 62 | 54 | 43 | 32 | 23 |
| Precip in | 2.4 | 2.0 | 2.8 | 4.2 | 4.7 | 4.6 | 4.7 | 3.3 | 2.7 | 3.3 | 3.3 | 2.5 |
NOAA 1991–2020 climate normals from the nearest station: SIDELL 4N (5.3 mi) · NOAA NCEI
Places in ZIP 61850
- 1 parks
- 1 post offices
- 2 places of worship
- 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