Mill Creek is a village in Union County, Illinois, home to about 37 people across 0.4 square miles. Its ZIP code is 62961.
All in Mill Creek
We’re writing up Mill Creek’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)115 miles away |
|---|---|
| Closer regional airport | Cape Girardeau Regional Airport (CGI)19 miles away |
| Nearest city of 250,000+ | St. Louis, MO104 miles away |
| Nearest city of 1 million+ | Chicago, IL321 miles away |
Straight-line distances from the center of Mill Creek; 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.
Mill Creek had 59 residents in the 2020 census, down 22% since 2000.
It’s the 1419th largest of 1,450 towns in Illinois by population.
Union County grew from 22,610 residents in 1900 to 17,244 in 2020.
Union County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 25°F. About 51.1 inches of rain and melted snow fall in a typical year, with about 10 inches of snow.
Source: NOAA 1991–2020 climate normals, Anna 2 Nne, IL weather station (10 miles away).
3,489 jobs at 352 businesses in Union 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.