Barnum ZIP code, Iowa
The ZIP code for Barnum, IA is 50518, and its area code is 515.
- USPS city name
- 1 ZIP code
- Population
- 250
- Area code
- 515
- County
- Webster County
- State
- Iowa
Barnum in numbers
About 250 people live in Barnum, in 95 households. The median household income is $86,615 a year, 15% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $135,600 (35% below the Iowa median). The median age is 27.4; 0.7% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 17 minutes.
| Population | 250 |
|---|---|
| Households | 95 |
| Median age | 27.4 |
| Median household income | $86,615 |
| Median home value | $135,600 |
| Bachelor's degree or higher | 0.7% |
| Mean commute | 16.8 min |
| Population density | 668 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Barnum city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Barnum
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
50518 | Barnum , IA | Standard | 365 | $97,857 | $158,300 |
Map of Barnum ZIP codes
The ZIP codes of Barnum, IA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Barnum
The nearest larger towns are Manson (1,645 people, 9.0 mi), Fort Dodge (24,827 people, 9.7 mi) and Callender (413 people, 11 mi).
| Town | Population | Distance |
|---|---|---|
| Fort Dodge | 24,827 | 9.7 mi |
| Humboldt | 4,771 | 16.6 mi |
| Eagle Grove | 3,593 | 26.0 mi |
| Webster City | 7,769 | 28.1 mi |
More nearby: every ZIP code in Webster County · Iowa ZIP codes
Cite this page
zipcodes.pro. “Barnum, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/barnum
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