ZIP code · Princeton · Illinois · United States
ZIP code 61356 — Princeton
ZIP code 61356 serves Princeton, Illinois.
- Postal code
- 61356Single source Value from one source, not cross-checked.
- City
- Princeton
- County
- Bureau FIPS 17011
- State
- Illinois
- Country
- United States
- Coordinates
- 41.3629, -89.4270 — precision precise (locality)
View on OpenStreetMap - Population
- 10,739 (ZCTA, ACS 5-year)
- Population density
- 57 / sq mi
- Land area
- 189.6 sq mi (491.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $63,952
- Per-capita income
- $39,275
- Median age
- 45.8
- Households
- 4,630
- Housing units
- 5,120
- Median home value
- $146,800
- Median gross rent
- $751 / month
- Congressional districts
- IL-16 (also IL-14) (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 61356 with another ZIP · ZIPs within 25 miles · distance from 61356
Map of ZIP code 61356
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 35 | 48 | 62 | 73 | 82 | 85 | 82 | 76 | 63 | 48 | 35 |
| Avg low °F | 14 | 18 | 28 | 38 | 50 | 60 | 63 | 61 | 53 | 42 | 30 | 20 |
| Precip in | 2.0 | 2.0 | 2.5 | 4.0 | 5.1 | 4.6 | 3.7 | 4.0 | 3.9 | 3.1 | 2.6 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: PRINCETON (1.3 mi) · NOAA NCEI
Places in ZIP 61356
- 8 schools
- 4 hospitals & clinics
- 2 pharmacies
- 3 supermarkets
- 16 restaurants & cafés
- 1 bars & pubs
- 12 parks
- 7 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 14 places of worship
- 4 banks
- 9 gas stations
- 2 EV charging stations
- 2 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