Mount Union is a community in Henry County, Iowa, home to about 111 people across 0.2 square miles. Its ZIP code is 52644.
Homes sold for a median of $152 per square foot in the three months ending August 2026.
Mostly Mount Union
Each card is that ZIP code’s whole market, including any part outside Mount Union. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Des Moines International Airport (DSM)121 miles away |
|---|---|
| Closer regional airport | Southeast Iowa Regional Airport (BRL)23 miles away |
| Nearest city of 250,000+ | Madison, WI174 miles away |
| Nearest city of 1 million+ | Chicago, IL201 miles away |
Straight-line distances from the center of Mount Union; 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.
Mount Union had 120 residents in the 2020 census, down 9% since 2000.
It’s the 843rd largest of 1,019 towns in Iowa by population.
Henry County grew from 20,022 residents in 1900 to 20,482 in 2020.
Henry 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 13°F. About 38.6 inches of rain and melted snow fall in a typical year, with about 25 inches of snow.
Source: NOAA 1991–2020 climate normals, Mt Pleasant 1 Ssw, IA weather station (10 miles away).
6,726 jobs at 482 businesses in Henry County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Mount Union.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
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.
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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.