ZIP code · Mendota · Illinois · United States
ZIP code 61342 — Mendota
ZIP code 61342 serves Mendota, Illinois.
- Postal code
- 61342Single source Value from one source, not cross-checked.
- City
- Mendota
- County
- LaSalle FIPS 17099
- State
- Illinois
- Country
- United States
- Coordinates
- 41.5443, -89.1083 — precision precise (locality)
View on OpenStreetMap - Population
- 8,373 (ZCTA, ACS 5-year)
- Population density
- 77 / sq mi
- Land area
- 108.2 sq mi (280.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $65,184
- Per-capita income
- $33,747
- Median age
- 41.3
- Households
- 3,450
- Housing units
- 3,758
- Median home value
- $132,700
- Median gross rent
- $841 / 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)
Tools: compare 61342 with another ZIP · ZIPs within 25 miles · distance from 61342
Map of ZIP code 61342
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 45 | 59 | 70 | 80 | 82 | 80 | 75 | 63 | 46 | 33 |
| Avg low °F | 12 | 16 | 26 | 36 | 48 | 58 | 62 | 60 | 52 | 40 | 28 | 18 |
| Precip in | 1.6 | 1.7 | 2.2 | 3.2 | 4.8 | 4.6 | 3.9 | 3.7 | 3.6 | 3.0 | 2.4 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: PAW PAW 2S (10.7 mi) · NOAA NCEI
Places in ZIP 61342
- 6 schools
- 1 hospitals & clinics
- 2 doctors & dentists
- 1 supermarkets
- 8 restaurants & cafés
- 6 parks
- 4 playgrounds
- 1 libraries
- 1 post offices
- 13 places of worship
- 4 banks
- 6 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