ZIP code · Somonauk · Illinois · United States
ZIP code 60552 — Somonauk
ZIP code 60552 serves Somonauk, Illinois.
- Postal code
- 60552Single source Value from one source, not cross-checked.
- City
- Somonauk
- County
- DeKalb FIPS 17037
- State
- Illinois
- Country
- United States
- Coordinates
- 41.6383, -88.6816 — precision precise (locality)
View on OpenStreetMap - Population
- 4,589 (ZCTA, ACS 5-year)
- Population density
- 172 / sq mi
- Land area
- 26.6 sq mi (68.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $122,375
- Per-capita income
- $57,555
- Median age
- 48.5
- Households
- 1,864
- Housing units
- 1,999
- Median home value
- $245,300
- Median gross rent
- $1,306 / month
- Congressional district
- 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)
- 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 60552 with another ZIP · ZIPs within 25 miles · distance from 60552
Map of ZIP code 60552
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 15°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 35 | 48 | 60 | 72 | 81 | 84 | 82 | 76 | 63 | 48 | 36 |
| Avg low °F | 15 | 18 | 28 | 37 | 49 | 59 | 62 | 60 | 52 | 41 | 29 | 21 |
| Precip in | 1.3 | 1.4 | 2.2 | 3.6 | 4.1 | 4.0 | 3.7 | 3.4 | 3.0 | 3.2 | 2.3 | 1.7 |
NOAA 1991–2020 climate normals from the nearest station: CHICAGO AURORA MUNI AP (13.8 mi) · NOAA NCEI
Places in ZIP 60552
- 2 schools
- 3 parks
- 4 playgrounds
- 1 libraries
- 1 post offices
- 2 places of worship
- 2 gas 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