ZIP code · Poplar Grove · Illinois · United States
ZIP code 61065 — Poplar Grove
ZIP code 61065 serves Poplar Grove, Illinois.
- Postal code
- 61065Single source Value from one source, not cross-checked.
- City
- Poplar Grove
- County
- Boone FIPS 17007
- State
- Illinois
- Country
- United States
- Coordinates
- 42.3594, -88.8428 — precision precise (locality)
View on OpenStreetMap - Population
- 10,927 (ZCTA, ACS 5-year)
- Population density
- 215 / sq mi
- Land area
- 50.9 sq mi (131.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $104,216
- Per-capita income
- $34,754
- Median age
- 36.4
- Households
- 3,479
- Housing units
- 3,846
- Median home value
- $208,400
- Median gross rent
- $1,469 / month
- Congressional districts
- IL-16 (also IL-11) (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 61065 with another ZIP · ZIPs within 25 miles · distance from 61065
Map of ZIP code 61065
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 31 | 44 | 57 | 69 | 78 | 82 | 80 | 74 | 60 | 45 | 33 |
| Avg low °F | 10 | 15 | 25 | 36 | 48 | 58 | 61 | 59 | 51 | 39 | 28 | 17 |
| Precip in | 1.6 | 1.6 | 2.2 | 3.8 | 4.2 | 5.5 | 3.7 | 4.2 | 3.8 | 2.9 | 2.4 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: CLINTON WWTP (13.2 mi) · NOAA NCEI
Places in ZIP 61065
- 7 schools
- 1 hospitals & clinics
- 1 pharmacies
- 1 supermarkets
- 1 restaurants & cafés
- 1 bars & pubs
- 3 parks
- 1 playgrounds
- 1 post offices
- 2 places of worship
- 1 banks
- 3 gas stations
- 1 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