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ZIP code

52231

Harper, IA

STANDARD

52231 covers Harper in Keokuk County, with 497 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

497

Median household income

$69,545

Median home value

$228,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 52231. Methodology

ZIP code map of 52231

Census ZCTA boundary for ZIP 52231 in Harper, Iowa
Census ZCTA boundary for ZIP 52231 in Harper, Iowa. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 52231

Type

STANDARD

City

Harper

Timezone

America/Chicago

Area codes

319, 641

Land area

34.5 sq mi

Water area

0.04 sq mi

Households

196

Median gross rent

$730

More enterprise fields

Timezone
America/Chicago
Area Codes
319, 641
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 52231. Not ACS. Methodology

People in 52231

Race

  • White304
  • Other race2
  • Two or more races10

Hispanic or Latino (any race): 3

Age

  • Under 1050
  • 10 to 1955
  • 20 to 2923
  • 30 to 3943
  • 40 to 4925
  • 50 to 5922
  • 60 to 6967
  • 70 to 7917
  • 80 and older14

Income and housing in 52231

Poverty rate

1.8%

Median earnings

$41,875

Median household income

$69,545

Median home value

$228,700

Median gross rent

$730

Education

  • High school graduate97.4%
  • Bachelor's degree16.1%
  • Graduate degree9.0%

Places covering 52231

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

62.7% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 52231

IRS populationACS population
537268020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
2005373
2006345
2007361
2009347
2010345
2011283366
2012253360
2013299320
2014254340
2015254340
2016232330
2017189320
2018199330
2019214330
2020310330
2021373300
2022439350
2023497

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 52231

12 nearest ZIP centroids (any distance)

  1. 52248Keota6.5 miPop 1,572 · Income $77,143
  2. 52591Sigourney7.5 miPop 2,646 · Income $56,318
  3. 52335South English7.5 miPop 608 · Income $55,893
  4. 52355Webster9.9 miPop 282 · Income $70,714
  5. 52576Ollie10.3 miPop 402 · Income $79,063
  6. 52562Hayesville11.8 miPop 62 · Income $43,750
  7. 52585Richland12.3 miPop 849 · Income $73,194
  8. 52359West Chester12.9 miPop 344 · Income $69,063
  9. 52316North English13.0 miPop 1,621 · Income $57,607
  10. 52356Wellman13.6 miPop 2,754 · Income $54,659
  11. 50136Keswick14.3 miPop 411 · Income $66,125
  12. 50255Thornburg15.7 miPop 40 · Income $39,643

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 52231, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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52231 Harper, IA

Looking up ZIP codes within 2 miles of 52231 Harper, IA, measured by centroid distance.

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Households

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Selected ZIP codes

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ZIP code 52231 FAQ

What city is ZIP code 52231 in?
52231 is in Harper, IA.
What county is 52231 in?
52231 is in Keokuk County.
What is the median household income in 52231?
The median household income in 52231 is $69,545.
Which ZIP codes are near 52231?
Use the radius tool on this page to list ZIP codes within a chosen distance of 52231.