ZIP Codes of Comanche County, KS

Population & People
Population & People
Total Population
1,740
Household Income
Household Income
Median Income
$55,732
Housing
Housing
Total Housing Units
1,033
Business & Economy
Business & Economy
Total Businesses
72
Employment
Employment
Employment Rate
61.73%
Education
Education
Bachelor's Degree+
19.91%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:620
Timezone:Central (GMT -06:00)
Local Time:2:12:11 PM
Population:1,740 [See All]
FIPS:20033
Land Area:879 sq mi
Water Area:1 sq mi
Coordinates:37.2211, -99.3137
Quick Link:
https://www.zip-codes.com/county/ks-comanche.asp
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Notable population decline
Lost 10.5% of residents since 2014.
Among Kansas's 5 oldest counties
Median age 50.5.

Standout ZIPs in this County


Most Populous
Coldwater · 962 people
55.3% of county total
Highest Income
Protection · $68,438 median
1.2× county average
Largest Land Area
Coldwater · 418.4 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Comanche County


1,740 residents live across 3 ZIPs covering 879 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 1,945 to 1,740 from 2014 to 2024 — a -10.5% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 67127 (Protection, $68,438 median) and poorest ZIP 67155 (Wilmore, $46,500) are 23.3 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.6× across this county — from $55,700 in 67127 (Protection) to $87,500 in 67029 (Coldwater).

Density varies across the county — from 0 people/sq mi in 67155 (Wilmore) to 3 in 67127 (Protection).

Educational attainment ranges from 12.2% bachelor's+ in 67155 (Wilmore) to 20.6% in 67127 (Protection) — the breadth of educational profiles across the area.

Within Kansas, this is the #101 most populous of 106 counties and ranks #100 for median household income .

Weighted by population, the typical household earns about $58,270 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.9% of adults age 25+ hold a bachelor's degree or higher (257 of 1,291 reporting).

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

Stories about Comanche 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
879
square miles
Avg density
2.0
people per sq mi
Population
1,740
across 3 ZIPs
Coldwater
418.4 sq mi
962 residents
Wilmore
259.1 sq mi
97 residents
Protection
201.4 sq mi
681 residents

Population decline

Comanche County lost 10.5% of residents between 2014 and 2024. ZIPs that shed the largest share:

Protection
-25.4%
913 → 681 residents

All ZIP Codes in Comanche County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67029ColdwaterStandard962$52,259418.412.8%
67127ProtectionStandard681$68,438201.4-25.4%
67155WilmoreStandard97$46,500259.1-45.8%

Adjacent & Nearby Counties