Andover is a city in Clinton County, Iowa, home to about 124 people across 0.2 square miles. Its ZIP code is 52701.
Homes sold for a median of $93 per square foot in the three months ending August 2026.
Mostly Andover
Each card is that ZIP code’s whole market, including any part outside Andover. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Chicago O'Hare International Airport (ORD)120 miles away |
|---|---|
| Closer regional airport | Dubuque Regional Airport (DBQ)37 miles away |
| Nearest city of 250,000+ | Madison, WI87 miles away |
| Nearest city of 1 million+ | Chicago, IL132 miles away |
Straight-line distances from the center of Andover; 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.
Andover had 109 residents in the 2020 census, up 25% since 2000.
It’s the 816th largest of 1,019 towns in Iowa by population.
Clinton County grew from 43,832 residents in 1900 to 46,460 in 2020.
Clinton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 14°F. About 34.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Fulton L&D #13, IL weather station (8 miles away).
16,170 jobs at 1,122 businesses in Clinton 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.