ZIP code · Prairie Du Rocher · Illinois · United States
ZIP code 62277 — Prairie Du Rocher
ZIP code 62277 serves Prairie Du Rocher, Illinois.
- Postal code
- 62277Single source Value from one source, not cross-checked.
- County
- Randolph FIPS 17157
- State
- Illinois
- Country
- United States
- Coordinates
- 38.0831, -90.0959 — precision precise (locality)
View on OpenStreetMap - Population
- 994 (ZCTA, ACS 5-year)
- Population density
- 15 / sq mi
- Land area
- 65.4 sq mi (169.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $71,458
- Per-capita income
- $34,392
- Median age
- 41.9
- Households
- 378
- Housing units
- 464
- Median home value
- $125,700
- Median gross rent
- $732 / month
- Congressional district
- IL-12 (119th Congress)
- USDA hardiness zone
- 7a (0 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)
- 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 62277 with another ZIP · ZIPs within 25 miles · distance from 62277
Map of ZIP code 62277
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 46 | 56 | 68 | 77 | 86 | 89 | 88 | 81 | 70 | 56 | 44 |
| Avg low °F | 24 | 27 | 35 | 44 | 55 | 64 | 68 | 66 | 58 | 46 | 37 | 28 |
| Precip in | 2.7 | 2.4 | 3.4 | 4.7 | 5.2 | 4.1 | 4.1 | 3.3 | 2.9 | 3.1 | 4.0 | 2.9 |
NOAA 1991–2020 climate normals from the nearest station: KASKASKIA RVR NAVIGATION LOCK (10.6 mi) · NOAA NCEI
Places in ZIP 62277
- 1 schools
- 4 parks
- 1 playgrounds
- 3 places of worship
- 1 gas 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