Home > KS > Jefferson County > Oskaloosa > Zip 66066

Zip Code 66066 — Oskaloosa, KS

66066 is a ZIP Code associated with Oskaloosa, KS, located within Jefferson. The postal region supports an estimated population of 2,432 residents across Data Pending housing units, with a population density of 12.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.203590, -95.331420)

Data MetricLocal Statistic
Postal / Zip Code66066
Primary CityOskaloosa
State / ProvinceKS
CountyJefferson
Total Population2,432
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density12.2 people/sq mi
TimezoneAmerica/Chicago

How 66066 Compares

MetricZIP 66066Jefferson CountyKS State Average
Population2,43218,4902,947,026
Median IncomeData PendingN/AN/A
Population Density12.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 66070Ozawkie6.4 mi1,944N/A
Zip 66054McLouth7.3 mi2,777N/A
Zip 66073Perry8.2 mi2,263N/A
Zip 66097Winchester10.0 mi995N/A
Zip 66512Meriden11.5 mi3,678N/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 →