ZIP Codes of Wichita County, KS

Population & People
Population & People
Total Population
2,162
Household Income
Household Income
Median Income
$78,920
Housing
Housing
Total Housing Units
960
Business & Economy
Business & Economy
Total Businesses
87
Employment
Employment
Employment Rate
61.85%
Education
Education
Bachelor's Degree+
19.53%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:620
Timezone:Central (GMT -06:00)
Local Time:2:12:16 PM
Population:2,162 [See All]
FIPS:20203
Land Area:857 sq mi
Water Area:0 sq mi
Coordinates:38.4948, -101.2976
Quick Link:
https://www.zip-codes.com/county/ks-wichita.asp
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Kansas's #96 most populous county
2,162 residents across 2 ZIPs — #96 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Leoti · 1,854 people
85.8% of county total
Highest Income
Leoti · $78,920 median
1.0× county average
Largest Land Area
Leoti · 608.6 sq mi
Spans the most ground
Fastest Growth
Leoti · -4.0% (10-yr)
1,931 → 1,854 residents
Most Educated
Leoti · 20.9% bachelor's+
260 of 1,247 adults 25+

Things worth knowing about Wichita County


2,162 residents live across 2 ZIPs covering 857 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 2,210 to 2,162 from 2014 to 2024 — a -2.2% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 67861 (Leoti, $78,920 median) and poorest ZIP 67861 (Leoti, $78,920) are 0.0 miles apart — a 1.0× income gap across local geography.

Density varies across the county — from 1 people/sq mi in 67863 (Marienthal) to 3 in 67861 (Leoti).

Educational attainment ranges from 11.6% bachelor's+ in 67863 (Marienthal) to 20.9% in 67861 (Leoti) — the breadth of educational profiles across the area.

Within Kansas, this is the #96 most populous of 106 counties and ranks #15 for median household income .

Weighted by population, the typical household earns about $78,920 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.5% of adults age 25+ hold a bachelor's degree or higher (284 of 1,454 reporting).

2 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Wichita County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
857
square miles
Avg density
2.5
people per sq mi
Population
2,162
across 2 ZIPs
Leoti
608.6 sq mi
1,854 residents
Marienthal
248.2 sq mi
308 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Leoti

All ZIP Codes in Wichita County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67861LeotiStandard1,854$78,920608.6-4.0%
67863MarienthalStandard308248.210.4%

Adjacent & Nearby Counties