ZIP code · Grand Ridge · Illinois · United States
ZIP code 61325 — Grand Ridge
ZIP code 61325 serves Grand Ridge, Illinois.
- Postal code
- 61325Single source Value from one source, not cross-checked.
- City
- Grand Ridge
- County
- LaSalle FIPS 17099
- State
- Illinois
- Country
- United States
- Coordinates
- 41.2386, -88.8168 — precision precise (locality)
View on OpenStreetMap - Population
- 1,131 (ZCTA, ACS 5-year)
- Population density
- 24 / sq mi
- Land area
- 46.8 sq mi (121.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $89,135
- Per-capita income
- $47,584
- Median age
- 36.3
- Households
- 433
- Housing units
- 456
- Median home value
- $179,900
- Median gross rent
- $900 / month
- Congressional district
- IL-16 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °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 61325 with another ZIP · ZIPs within 25 miles · distance from 61325
Map of ZIP code 61325
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 35 | 48 | 61 | 73 | 81 | 84 | 82 | 77 | 64 | 49 | 37 |
| Avg low °F | 14 | 17 | 27 | 37 | 49 | 58 | 62 | 61 | 53 | 41 | 30 | 21 |
| Precip in | 1.9 | 1.9 | 2.5 | 3.6 | 4.7 | 4.9 | 3.9 | 4.1 | 3.5 | 3.2 | 2.7 | 2.1 |
NOAA 1991–2020 climate normals from the nearest station: MARSEILLES LOCK (7.0 mi) · NOAA NCEI
Places in ZIP 61325
- 2 schools
- 1 playgrounds
- 4 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