Mendota is a city in LaSalle County, Illinois, home to about 6,994 people across 5.1 square miles. Its ZIP code is 61342.
Homes sold for a median of $112 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Mendota. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mendota’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)69 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)45 miles away |
| Nearest city of 250,000+ | Chicago, IL76 miles away |
Straight-line distances from the center of Mendota; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mendota had 7,061 residents in the 2020 census, down 3% since 2000.
It’s the 283rd largest of 1,450 towns in Illinois by population.
LaSalle County grew from 87,776 residents in 1900 to 109,658 in 2020.
LaSalle County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 12°F. About 36.6 inches of rain and melted snow fall in a typical year, with about 30 inches of snow.
Source: NOAA 1991–2020 climate normals, Paw Paw 2s, IL weather station (11 miles away).
33,721 jobs at 2,523 businesses in LaSalle County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
43 doctors and other health care providers list an office in Mendota.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 13 |
| Mental health providers | 1 |
| Physical and occupational therapists | 6 |
| Optometrists | 1 |
| Chiropractors | 6 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (4 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1855.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Mendota CCSD 289, Mendota Twp HSD 280. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Blackstone Elem SchoolMendota | K–1 | 197 | Public | 1.1 mi |
| Lincoln Elem SchoolMendota | 2–4 | 319 | Public | 0.4 mi |
| Northbrook SchoolMendota | 5–8 | 526 | Public | 1.2 mi |
| Mendota Twp High SchoolMendota | 9–12 | 493 | Public | 2.2 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Holy Cross Elementary SchoolMendota | Pre-K–8 | 125 | Roman Catholic | 0.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.