Barnum is a city in Webster County, Iowa, home to about 250 people across 0.4 square miles. Its ZIP code is 50518.
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| Nearest major airport | Des Moines International Airport (DSM)77 miles away |
|---|---|
| Closer regional airport | Fort Dodge Regional Airport (FOD)9 miles away |
| Nearest city of 250,000+ | Omaha, NE122 miles away |
| Nearest city of 1 million+ | Chicago, IL345 miles away |
Straight-line distances from the center of Barnum; 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.
Barnum had 175 residents in the 2020 census, down 10% since 2000.
It’s the 654th largest of 1,019 towns in Iowa by population.
Webster County grew from 31,757 residents in 1900 to 36,999 in 2020.
Webster 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 7°F. About 35.3 inches of rain and melted snow fall in a typical year, with about 39 inches of snow.
Source: NOAA 1991–2020 climate normals, Ft Dodge 5nnw, IA weather station (10 miles away).
16,146 jobs at 997 businesses in Webster County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (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.
Parks (1 nearby)
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.
Public schools here are run by Manson Northwest Webster Comm School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Manson Northwest Webster ElementaryBarnum | Pre-K–6 | 439 | Public | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.