Home > IA > Keokuk County > Sigourney > Zip 52591

Zip Code 52591 — Sigourney, IA

ZIP Code 52591 is associated with Sigourney, IA, in Keokuk County. The listed population estimate is 2,721; estimated density is 8.5 people per square mile. Among records with population estimates, it ranks #1 of 14 in Keokuk County and #219 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.319880, -92.194650)

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

How 52591 Compares

MetricZIP 52591Keokuk County recordsIA records
Population estimate2,7219,120 (sum)3,210,984 (sum)
Population Density8.5 /sq mi----
County population rank#1 of 14----
State population rank#219 of 969----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IA

ZIP CodeCityDistancePopulation estimate
ZIP 52562Hayesville4.7 mi52
ZIP 52231Harper7.7 mi539
ZIP 52576Ollie8.5 mi371
ZIP 52550Delta8.7 mi552
ZIP 52355Webster9.5 mi283

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 →