Rock Falls is a city in Cerro Gordo County, Iowa, home to about 119 people across 0.2 square miles. Its ZIP code is 50467, and parts of 50401 are in Rock Falls too.
Mostly Rock Falls
Mostly Mason City; part is in Rock Falls
Each card is that ZIP code’s whole market, including any part outside Rock Falls. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)117 miles away |
|---|---|
| Closer regional airport | Mason City Municipal Airport (MCW)11 miles away |
| Nearest city of 250,000+ | St. Paul, MN122 miles away |
| Nearest city of 1 million+ | Chicago, IL292 miles away |
Straight-line distances from the center of Rock Falls; 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.
Rock Falls had 150 residents in the 2020 census, down 12% since 2000.
It’s the 827th largest of 1,019 towns in Iowa by population.
Cerro Gordo County grew from 20,672 residents in 1900 to 43,127 in 2020.
Cerro Gordo County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 7°F. About 36.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Mason City, IA weather station (4 miles away).
20,024 jobs at 1,357 businesses in Cerro Gordo 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.
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
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.
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Shares ZIP codes with Mason City and Portland.
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.