Knierim is a city in Calhoun County, Iowa, home to about 76 people across 1.0 square miles. Its ZIP code is 50552, and parts of 50563 and 50586 are in Knierim too.
Homes sold for a median of $335 per square foot in the three months ending August 2026, a seller’s market.
All in Knierim
Mostly Manson; part is in Knierim
Mostly Somers; part is in Knierim
Each card is that ZIP code’s whole market, including any part outside Knierim. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Knierim’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Des Moines International Airport (DSM)76 miles away |
|---|---|
| Closer regional airport | Fort Dodge Regional Airport (FOD)16 miles away |
| Nearest city of 250,000+ | Omaha, NE115 miles away |
| Nearest city of 1 million+ | Chicago, IL350 miles away |
Straight-line distances from the center of Knierim; 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.
Knierim had 53 residents in the 2020 census, down 24% since 2000.
It’s the 894th largest of 1,019 towns in Iowa by population.
Calhoun County grew from 18,569 residents in 1900 to 9,927 in 2020.
Calhoun County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 8°F. About 33.8 inches of rain and melted snow fall in a typical year, with about 32 inches of snow.
Source: NOAA 1991–2020 climate normals, Rockwell City, IA weather station (9 miles away).
2,241 jobs at 280 businesses in Calhoun 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 Manson, Twin Lakes and Somers.
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.