ZIP code 52231: Harper, IA
52231 is a ZIP code in Harper, Iowa, mainly in Keokuk County. About 539 people live here.
- Population
- 539
- Median household income
- $90,893
- Typical home value
- $150,300+8.1% in 12 months
- Median rent
- $1,125gross, per month
- Median age
- 39.3
- Homeowners
- 96.4%of occupied homes
Shaded: ZIP code 52231's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 52231 details
| City | Harper |
|---|---|
| State | Iowa |
| County | Keokuk County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 34.5 sq mi, plus 0 sq mi of water |
| Population density | 16 people per sq mi |
| Bachelor's degree or higher | 16.5% of adults 25+ |
| Average commute | 19.4 minutes |
| Center coordinates | 41.35883, -92.05863 |
ZIP codes near 52231
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 52248 | Keota, IA | 6.5 mi | 1,675 |
| 52591 | Sigourney, IA | 7.5 mi | 2,721 |
| 52335 | South English, IA | 7.5 mi | 644 |
| 52355 | Webster, IA | 9.9 mi | 283 |
| 52576 | Ollie, IA | 10.3 mi | 371 |
| 52562 | Hayesville, IA | 11.8 mi | 52 |
| 52585 | Richland, IA | 12.3 mi | 838 |
| 52359 | West Chester, IA | 12.9 mi | 308 |
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
Buying a home in 52231?
A typical home in ZIP code 52231 is worth about $150,300 (Zillow Home Value Index). The median household here earns $90,893 a year. See what buying here would cost per month, with Iowa average taxes and insurance filled in.
Monthly payment for a $150,300 homeWhat can a $90,893 income afford?Rental property numbers
About ZIP code 52231
What city is ZIP code 52231?
ZIP code 52231 is in Harper, IA, in Keokuk County.
What county is ZIP code 52231 in?
52231 is mainly in Keokuk County, Iowa.
What is the population of ZIP code 52231?
About 539 people live in ZIP code 52231, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 52231 in?
52231 is in Central Time (UTC−6). It observes daylight saving time.