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Zip Code 52577 — Oskaloosa, IA

ZIP Code 52577 is associated with Oskaloosa, IA, in Mahaska County. The listed population estimate is 14,585; estimated density is 35.6 people per square mile. Among records with population estimates, it ranks #1 of 9 in Mahaska County and #58 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.271740, -92.660200)

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

How 52577 Compares

MetricZIP 52577Mahaska County recordsIA records
Population estimate14,58520,715 (sum)3,210,984 (sum)
Population Density35.6 /sq mi----
County population rank#1 of 9----
State population rank#58 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 52534Beacon1.1 mi321
ZIP 52595University Park2.6 mi545
ZIP 52553Eddyville8.5 mi1,846
ZIP 50143Leighton8.7 mi538
ZIP 52543Cedar8.9 mi541

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 →