Grafton is a city in Worth County, Iowa, home to about 271 people across 0.3 square miles. Its ZIP code is 50440.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)109 miles away |
|---|---|
| Closer regional airport | Mason City Municipal Airport (MCW)16 miles away |
| Nearest city of 250,000+ | St. Paul, MN113 miles away |
| Nearest city of 1 million+ | Chicago, IL293 miles away |
Straight-line distances from the center of Grafton; 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.
Grafton had 216 residents in the 2020 census, down 26% since 2000.
It’s the 630th largest of 1,019 towns in Iowa by population.
Worth County grew from 10,887 residents in 1900 to 7,443 in 2020.
Worth County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 4°F. About 35.4 inches of rain and melted snow fall in a typical year, with about 40 inches of snow.
Source: NOAA 1991–2020 climate normals, Northwood, IA weather station (11 miles away).
1,634 jobs at 163 businesses in Worth 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.
Libraries
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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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.