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Zip Code 66048 — Leavenworth, KS

66048 is a ZIP Code associated with Leavenworth, KS, located within Leavenworth. 66048 ranks #1 out of 8 ZIP codes in Leavenworth County by population (and #6 out of 704 in KS). The area supports an estimated population of 35,717 residents across Data Pending housing units, with a population density of 101.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.278910, -94.985270)

Data MetricLocal Statistic
Postal / Zip Code66048
Primary CityLeavenworth
State / ProvinceKS
CountyLeavenworth
Total Population35,717
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density101.8 people/sq mi
TimezoneAmerica/Chicago

How 66048 Compares

MetricZIP 66048Leavenworth CountyKS State Average
Population35,71789,552 (Total)2,947,026 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density101.8 /sq mi----
County Pop Rank#1 of 8----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 66043Lansing4.9 mi11,056N/A
Zip 66027Fort Leavenworth6.9 mi7,365N/A
Zip 66020Easton7.8 mi1,809N/A
Zip 66007Basehor9.8 mi10,150N/A
Zip 66109Kansas City11.6 mi28,355N/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 →