Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/KS/LEAVENWORTH

Leavenworth ZIP code, Kansas

The ZIP code for Leavenworth, KS is 66048, and its area code is 913.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
37,195
Area code
913
State
Kansas

Mail addressed to Leavenworth uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Leavenworth in numbers

About 37,195 people live in Leavenworth, in 13,733 households, the 12th-largest of Kansas's 721 census places. The median household income is $72,987 a year, about the same as the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $193,000 (11% below the Kansas median), and median gross rent is $1,229 a month. The median age is 35.9; 32.6% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 20 minutes.

Population37,195Leavenworth37,195
Households13,733Leavenworth13,733
Median age35.9Leavenworth35.9Kansas37.4US 38.9
Median household income$72,987Leavenworth$72,987Kansas$74,275US $80,734
Median home value$193,000Leavenworth$193,000Kansas$217,200US $332,700
Median gross rent$1,229Leavenworth$1,229Kansas$1,060US $1,413
Bachelor's degree or higher32.6%Leavenworth32.6%Kansas35.6%US 35.7%
Mean commute19.6 minLeavenworth19.6 minKansas19.7 minUS 26.4 min
Population density1,528 / sq miLeavenworth1,528 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Leavenworth city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Leavenworth

ZIP codes with the USPS city name Leavenworth
ZIP City Type Population Median income Median home
66048 Leavenworth , KS Standard 35,717 $72,734 $219,100

Other ZIP codes overlapping Leavenworth

These ZIP codes cover part of Leavenworth but are addressed as somewhere else.

ZIP codes overlapping Leavenworth
ZIP City Type Population Median income Median home
66027 Fort Leavenworth , KS Standard 7,365 $102,208 —

Map of Leavenworth ZIP codes

66048

The ZIP codes of Leavenworth, KS, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Leavenworth

The nearest larger towns are Kansas City (155,135 people, 17 mi), Shawnee (68,542 people, 22 mi) and Kansas City, MO (510,612 people, 24 mi).

Towns near Leavenworth
TownPopulationDistance
Lansing 11,246 5.7 mi
Platte City, MO 4,824 9.4 mi
Basehor 7,491 12.9 mi
Parkville, MO 8,366 14.0 mi
Kansas City 155,135 17.0 mi
Tonganoxie 5,891 17.0 mi
Bonner Springs 7,839 17.3 mi
Edwardsville 4,724 17.8 mi
Riverside, MO 4,276 18.8 mi
Smithville, MO 10,705 19.6 mi
Atchison 10,785 20.1 mi
Gladstone, MO 27,207 21.0 mi
Shawnee 68,542 22.0 mi
North Kansas City, MO 4,983 23.1 mi

More nearby: every ZIP code in Leavenworth County · Kansas ZIP codes

Cite this page

zipcodes.pro. “Leavenworth, KS ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ks/leavenworth

Underlying data is public domain or openly licensed — sources, vintages and licences.