ZIP code · Oskaloosa · Kansas · United States
ZIP code 66066 — Oskaloosa
ZIP code 66066 serves Oskaloosa, Kansas.
- Postal code
- 66066Single source Value from one source, not cross-checked.
- City
- Oskaloosa
- County
- Jefferson
- State
- Kansas
- Country
- United States
- Coordinates
- 39.2152, -95.3135 — precision precise (locality)
View on OpenStreetMap - Population
- 2,750 (ZCTA, ACS 5-year)
- Median household income
- $76,733
- Median age
- 36
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page