Williamson is a village in Macoupin County, Illinois, home to about 160 people across 1.2 square miles. It has no ZIP code of its own: it’s part of 62088.
Homes sold for a median of $111 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Staunton; part is in Williamson
Each card is that ZIP code’s whole market, including any part outside Williamson. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Williamson’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)36 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO36 miles away |
| Nearest city of 1 million+ | Chicago, IL224 miles away |
Straight-line distances from the center of Williamson; 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.
Williamson had 183 residents in the 2020 census, down 27% since 2000.
It’s the 1257th largest of 1,450 towns in Illinois by population.
Macoupin County grew from 42,256 residents in 1900 to 44,967 in 2020.
Macoupin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 21°F. About 42 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hillsboro, IL weather station (19 miles away).
7,626 jobs at 813 businesses in Macoupin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
20 doctors and other health care providers list an office in Williamson.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 4 |
| Physical and occupational therapists | 1 |
| Chiropractors | 5 |
| Pharmacies | 3 |
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 (1 nearby)
Counts are within about 1 mile 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.
Public schools here are run by Staunton CUSD 6. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Staunton Elem SchoolStaunton | Pre-K–5 | 541 | Public | 0.6 mi |
| Staunton Jr High SchoolStaunton | 6–8 | 240 | Public | 0.6 mi |
| Staunton High SchoolStaunton | 9–12 | 384 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Zion Lutheran SchoolStaunton | Pre-K–8 | 89 | Lutheran Church–Missouri Synod | 0.3 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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Shares ZIP codes with Staunton.
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.