Home > IA > Mahaska County > Oskaloosa > Zip 52577

Zip Code 52577 — Oskaloosa, IA

52577 is a ZIP Code associated with Oskaloosa, IA, located within Mahaska. The postal region supports an estimated population of 14,585 residents across Data Pending housing units, with a population density of 35.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.271740, -92.660200)

Data MetricLocal Statistic
Postal / Zip Code52577
Primary CityOskaloosa
State / ProvinceIA
CountyMahaska
Total Population14,585
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density35.6 people/sq mi
TimezoneAmerica/Chicago

How 52577 Compares

MetricZIP 52577Mahaska CountyIA State Average
Population14,58520,7153,210,984
Median IncomeData PendingN/AN/A
Population Density35.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 52534Beacon1.1 mi321N/A
Zip 52595University Park2.6 mi545N/A
Zip 52553Eddyville8.5 mi1,846N/A
Zip 50143Leighton8.7 mi538N/A
Zip 52543Cedar8.9 mi541N/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 →