Barnum, IA ZIP code
The ZIP code for Barnum, Iowa is 50518. It is in Webster County.
- Population in these ZIPs
- 365
- Avg. median income
- $97,900population-weighted
- Typical home value
- $200,900population-weighted
- Metro area
- Fort Dodge, IA
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Barnum, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50518 | 365 | $97,857 | $200,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Barnum
- Knierim 6 mi
- Clare 6 mi
- Moorland 6 mi
- Somers 7 mi
- Manson 7 mi
- Fort Dodge 10 mi
- Callender 11 mi
- Palmer 13 mi
- Gilmore City 14 mi
- Badger 15 mi
- Otho 15 mi
- Rockwell City 15 mi
Frequently asked questions
What is the ZIP code for Barnum, IA?
The ZIP code for Barnum, IA is 50518.
What county is Barnum, Iowa in?
Barnum ZIP codes are in Webster County.