Spencer, IA ZIP code
The ZIP code for Spencer, Iowa is 51301. It is in Clay County.
- Population in these ZIPs
- 12,638
- Avg. median income
- $63,400population-weighted
- Typical home value
- $198,900population-weighted
- Metro area
- Spencer, IA
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Spencer, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 51301 | 12,638 | $63,402 | $198,900 |
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 Spencer
- Fostoria 6 mi
- Dickens 8 mi
- Everly 9 mi
- Royal 9 mi
- Greenville 9 mi
- Gillett Grove 11 mi
- Milford 11 mi
- Ruthven 13 mi
- Terril 14 mi
- Arnolds Park 14 mi
- Webb 15 mi
- Hartley 16 mi
Frequently asked questions
What is the ZIP code for Spencer, IA?
The ZIP code for Spencer, IA is 51301.
What county is Spencer, Iowa in?
Spencer ZIP codes are in Clay County.