ZIP code · Coulterville · Illinois · United States
ZIP code 62237 — Coulterville
ZIP code 62237 serves Coulterville, Illinois.
- Postal code
- 62237Single source Value from one source, not cross-checked.
- City
- Coulterville
- County
- Randolph FIPS 17157
- State
- Illinois
- Country
- United States
- Coordinates
- 38.1753, -89.6479 — precision precise (locality)
View on OpenStreetMap - Population
- 2,322 (ZCTA, ACS 5-year)
- Population density
- 25 / sq mi
- Land area
- 91.9 sq mi (238.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $59,087
- Per-capita income
- $33,582
- Median age
- 55.3
- Households
- 1,051
- Housing units
- 1,246
- Median home value
- $132,600
- Median gross rent
- $870 / month
- Congressional district
- IL-12 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °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
- 618Telephone 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 62237 with another ZIP · ZIPs within 25 miles · distance from 62237
Map of ZIP code 62237
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 45 | 56 | 67 | 76 | 84 | 88 | 87 | 81 | 70 | 56 | 44 |
| Avg low °F | 22 | 25 | 33 | 43 | 54 | 62 | 66 | 64 | 55 | 44 | 35 | 26 |
| Precip in | 3.1 | 2.6 | 4.0 | 5.2 | 5.2 | 4.3 | 4.7 | 3.5 | 3.0 | 3.3 | 4.1 | 2.7 |
NOAA 1991–2020 climate normals from the nearest station: SPARTA 1 W (5.5 mi) · NOAA NCEI
Places in ZIP 62237
- 1 schools
- 1 restaurants & cafés
- 1 bars & pubs
- 1 libraries
- 4 places of worship
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