San Jose is a village in Mason County, Illinois, home to about 557 people across 0.4 square miles. Its ZIP code is 62682.
Homes sold for a median of $33 per square foot in the three months ending August 2026.
Each card is that ZIP code’s whole market, including any part outside San Jose. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Chicago Midway International Airport (MDW)144 miles away |
|---|---|
| Closer regional airport | General Wayne A. Downing Peoria International Airport (PIA)25 miles away |
| Nearest city of 250,000+ | St. Louis, MO119 miles away |
| Nearest city of 1 million+ | Chicago, IL149 miles away |
Straight-line distances from the center of San Jose; 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.
San Jose had 479 residents in the 2020 census, down 31% since 2000.
It’s the 900th largest of 1,450 towns in Illinois by population.
Mason County grew from 17,491 residents in 1900 to 13,086 in 2020.
Mason County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 16°F. About 39.3 inches of rain and melted snow fall in a typical year, with about 13 inches of snow.
Source: NOAA 1991–2020 climate normals, Mason City 4se, IL weather station (10 miles away).
1,974 jobs at 255 businesses in Mason County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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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.