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

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zipcodes.pro — STATE/KS/COUNTY/SEWARD

Seward County, KS ZIP codes

Seward County, KS has 3 ZIP codes, in 2 towns: 67901, 67859 and 67905. 3 more cross into it from neighbouring counties: 67870, 67869 and 67952.

The county seat is Liberal.

ZIP codes
3
Partly in it
3 more
Towns
2
County seat
Liberal
County FIPS
20175
State
Kansas
Population
21,486
Median household income
$63,827
Land area
640 sq mi
Metro area
Liberal

Seward County ZIP codes by town

Liberal (county seat)
67901, 67905

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Seward County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Seward County.

Map of Seward County ZIP codes

678596790167905

The ZIP codes of Seward County, 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.

Seward County in numbers

About 21,486 people live in Seward County, in 7,257 households, the 26th most populous of Kansas's 105 counties. The median household income is $63,827 a year, 14% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $136,500 (37% below the Kansas median), and median gross rent is $905 a month. The median age is 31.0; 11.4% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 15 minutes.

Population21,486Seward21,486
Households7,257Seward7,257
Median age31.0Seward31.0Kansas37.4US 38.9
Median household income$63,827Seward$63,827Kansas$74,275US $80,734
Median home value$136,500Seward$136,500Kansas$217,200US $332,700
Median gross rent$905Seward$905Kansas$1,060US $1,413
Bachelor's degree or higher11.4%Seward11.4%Kansas35.6%US 35.7%
Mean commute14.7 minSeward14.7 minKansas19.7 minUS 26.4 min
Population density34 / sq miSeward34 / sq mi

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

Largest towns in Seward County

Largest towns in Seward County
TownZIP codesPopulation
Liberal 2 19,316
Kismet 1 414

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Seward County.

Not sure you are in Seward County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Seward County, with figures

ZIP codes in Seward County
ZIP City Type Population Median income Median home
67859 Kismet , KS Standard 535 $59,500 $138,900
67901 Liberal , KS Standard 20,902 $64,783 $133,200
67905 Liberal , KS No street area — — —

Cite this page

zipcodes.pro. “Seward County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ks/county/seward

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