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Fort Leavenworth, KS ZIP code

The ZIP code for Fort Leavenworth (also written Ft. Leavenworth), Kansas is 66027. It is in Leavenworth County.

Population in these ZIPs
7,365
Avg. median income
$102,200population-weighted
Typical home value
—population-weighted
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ZIP codes within 10 miles

Fort Leavenworth, KS ZIP code list

Fort Leavenworth, KS ZIP codes
ZIP codePopulationMedian incomeTypical home value
660277,365$102,208—

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Fort Leavenworth

Frequently asked questions

What is the ZIP code for Fort Leavenworth, KS?

The ZIP code for Fort Leavenworth, KS is 66027.

What county is Fort Leavenworth, Kansas in?

Fort Leavenworth ZIP codes are in Leavenworth County.