Home > IA > Keokuk County > Sigourney > Zip 52591

Zip Code 52591 — Sigourney, IA

52591 is a ZIP Code associated with Sigourney, IA, located within Keokuk. The postal region supports an estimated population of 2,721 residents across Data Pending housing units, with a population density of 8.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.319880, -92.194650)

Data MetricLocal Statistic
Postal / Zip Code52591
Primary CitySigourney
State / ProvinceIA
CountyKeokuk
Total Population2,721
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density8.5 people/sq mi
TimezoneAmerica/Chicago

How 52591 Compares

MetricZIP 52591Keokuk CountyIA State Average
Population2,7219,1203,210,984
Median IncomeData PendingN/AN/A
Population Density8.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 52562Hayesville4.7 mi52N/A
Zip 52231Harper7.7 mi539N/A
Zip 52576Ollie8.5 mi371N/A
Zip 52550Delta8.7 mi552N/A
Zip 52355Webster9.5 mi283N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →