Keswick, IA ZIP code
The ZIP code for Keswick, Iowa is 50136. It is in Keokuk County.
- Population in these ZIPs
- 376
- Avg. median income
- $75,600population-weighted
- Typical home value
- $140,700population-weighted
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Keswick, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50136 | 376 | $75,625 | $140,700 |
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 Keswick
- Thornburg 2 mi
- Gibson 5 mi
- Webster 5 mi
- What Cheer 6 mi
- Deep River 8 mi
- Barnes City 9 mi
- Millersburg 10 mi
- Delta 11 mi
- North English 12 mi
- Sigourney 12 mi
- Guernsey 12 mi
- Rose Hill 12 mi
Frequently asked questions
What is the ZIP code for Keswick, IA?
The ZIP code for Keswick, IA is 50136.
What county is Keswick, Iowa in?
Keswick ZIP codes are in Keokuk County.