ZIP Codes of Wallace County, KS

Population & People
Population & People
Total Population
1,480
Household Income
Household Income
Median Income
$69,145
Housing
Housing
Total Housing Units
760
Business & Economy
Business & Economy
Total Businesses
60
Employment
Employment
Employment Rate
59.83%
Education
Education
Bachelor's Degree+
25.48%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:785
Timezone:Mountain (GMT -07:00)
Local Time:11:53:33 PM
Population:1,480 [See All]
FIPS:20199
Land Area:1,024 sq mi
Water Area:0 sq mi
Coordinates:38.9060, -101.7658
Quick Link:
https://www.zip-codes.com/county/ks-wallace.asp
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Kansas's #103 most populous county
1,480 residents across 3 ZIPs — #103 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Sharon Springs · 1,009 people
68.2% of county total
Highest Income
Weskan · $74,844 median
1.1× county average
Largest Land Area
Sharon Springs · 439.5 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Wallace County


1,480 residents live across 3 ZIPs covering 1,024 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 1,629 to 1,480 from 2014 to 2024 — a -9.1% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 67762 (Weskan, $74,844 median) and poorest ZIP 67758 (Sharon Springs, $58,500) are 9.5 miles apart — a 1.3× income gap across local geography.

Median home values vary 2.2× across this county — from $74,300 in 67761 (Wallace) to $166,700 in 67762 (Weskan).

Density varies across the county — from 1 people/sq mi in 67761 (Wallace) to 2 in 67758 (Sharon Springs).

Educational attainment ranges from 21.2% bachelor's+ in 67758 (Sharon Springs) to 37.8% in 67762 (Weskan) — the breadth of educational profiles across the area.

Within Kansas, this is the #103 most populous of 106 counties and ranks #41 for median household income .

Weighted by population, the typical household earns about $63,612 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.5% of adults age 25+ hold a bachelor's degree or higher (263 of 1,032 reporting).

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

Stories about Wallace 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
1,024
square miles
Avg density
1.4
people per sq mi
Population
1,480
across 3 ZIPs
Sharon Springs
439.5 sq mi
1,009 residents
Wallace
350.2 sq mi
176 residents
Weskan
234.3 sq mi
295 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.

Sharon Springs

Population decline

Wallace County lost 9.1% of residents between 2014 and 2024.

All ZIP Codes in Wallace County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67758Sharon SpringsStandard1,009$58,500439.55.4%
67762WeskanStandard295$74,844234.3-27.0%
67761WallaceStandard176$74,091350.2-34.3%

Adjacent & Nearby Counties