ZIP code · Hennepin · Illinois · United States
ZIP code 61327 — Hennepin
ZIP code 61327 serves Hennepin, Illinois.
- Postal code
- 61327Single source Value from one source, not cross-checked.
- City
- Hennepin
- County
- Putnam FIPS 17155
- State
- Illinois
- Country
- United States
- Coordinates
- 41.2352, -89.3218 — precision precise (locality)
View on OpenStreetMap - Population
- 1,341 (ZCTA, ACS 5-year)
- Population density
- 37 / sq mi
- Land area
- 36.3 sq mi (94 km²) (ZCTA, ACS 5-year)
- Median household income
- $87,500
- Per-capita income
- $42,126
- Median age
- 45.9
- Households
- 524
- Housing units
- 575
- Median home value
- $219,000
- Median gross rent
- $836 / month
- Congressional districts
- IL-14 (also 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)
- Area code
- 815Telephone 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 61327 with another ZIP · ZIPs within 25 miles · distance from 61327
Map of ZIP code 61327
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 37 | 50 | 64 | 74 | 82 | 85 | 83 | 77 | 65 | 50 | 37 |
| Avg low °F | 17 | 20 | 30 | 41 | 51 | 61 | 65 | 62 | 55 | 43 | 32 | 22 |
| Precip in | 1.9 | 1.8 | 2.5 | 3.9 | 4.8 | 4.5 | 3.9 | 3.8 | 3.5 | 3.3 | 2.6 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: HENNEPIN (1.6 mi) · NOAA NCEI
Places in ZIP 61327
- 1 schools
- 1 libraries
- 1 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