LaPlace is a community in Piatt County, Illinois, home to about 170 people across 0.7 square miles. Its ZIP code is 61936, and parts of 61929 are in LaPlace too.
Homes sold for a median of $122 per square foot in the three months ending August 2026.
Mostly Hammond; part is in LaPlace
Each card is that ZIP code’s whole market, including any part outside LaPlace. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | St. Louis Lambert International Airport (STL)115 miles away |
|---|---|
| Closer regional airport | Decatur Airport (DEC)9 miles away |
| Nearest city of 250,000+ | St. Louis, MO115 miles away |
| Nearest city of 1 million+ | Chicago, IL151 miles away |
Straight-line distances from the center of LaPlace; 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.
LaPlace had 239 residents in the 2020 census, down 8% since 2010.
It’s the 1242nd largest of 1,450 towns in Illinois by population.
Piatt County grew from 17,706 residents in 1900 to 16,673 in 2020.
Piatt County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 20°F. About 36.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Decatur Ap, IL weather station (9 miles away).
2,535 jobs at 339 businesses in Piatt 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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Shares ZIP codes with Hammond.
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.