ZIP Codes of Gray County, KS

Population & People
Population & People
Total Population
6,491
Household Income
Household Income
Median Income
$76,697
Housing
Housing
Total Housing Units
2,579
Business & Economy
Business & Economy
Total Businesses
249
Employment
Employment
Employment Rate
65.59%
Education
Education
Bachelor's Degree+
24.23%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:620
Timezone:Central (GMT -06:00)
Local Time:11:53:30 PM
Population:6,491 [See All]
FIPS:20069
Land Area:1,267 sq mi
Water Area:1 sq mi
Coordinates:37.7203, -100.4280
Quick Link:
https://www.zip-codes.com/county/ks-gray.asp
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Kansas's #55 most populous county
6,491 residents across 5 ZIPs — #55 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Cimarron · 2,716 people
41.8% of county total
Highest Income
Ingalls · $98,309 median
1.3× county average
Largest Land Area
Cimarron · 463.7 sq mi
Spans the most ground
Fastest Growth
Montezuma · 2.5% (10-yr)
1,557 → 1,596 residents
Most Educated
Cimarron · 31.4% bachelor's+
491 of 1,565 adults 25+

Things worth knowing about Gray County


6,491 residents live across 5 ZIPs covering 1,267 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 6,984 to 6,491 from 2014 to 2024 — a -7.1% change. 1 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 67853 (Ingalls, $98,309 median) and poorest ZIP 67867 (Montezuma, $67,000) are 21.9 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.2× across this county — from $137,500 in 67841 (Ensign) to $305,100 in 67837 (Copeland).

Density varies across the county — from 3 people/sq mi in 67853 (Ingalls) to 7 in 67867 (Montezuma).

Educational attainment ranges from 10.6% bachelor's+ in 67841 (Ensign) to 31.4% in 67835 (Cimarron) — the breadth of educational profiles across the area.

Within Kansas, this is the #55 most populous of 106 counties and ranks #21 for median household income .

Weighted by population, the typical household earns about $76,863 across the county — reflecting what a typical resident sees, not a simple ZIP average.

24.2% of adults age 25+ hold a bachelor's degree or higher (956 of 3,945 reporting).

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

Stories about Gray 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
1,267
square miles
Avg density
5.1
people per sq mi
Population
6,491
across 5 ZIPs
Cimarron
463.7 sq mi
2,716 residents
Ingalls
303.7 sq mi
875 residents
Montezuma
219.7 sq mi
1,596 residents

Population decline

Gray County lost 7.1% of residents between 2014 and 2024. ZIPs that shed the largest share:

Ingalls
-11.4%
988 → 875 residents

All ZIP Codes in Gray County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67835CimarronStandard2,716$79,877463.7-9.9%
67867MontezumaStandard1,596$67,000219.72.5%
67837CopelandStandard927$67,050175.7-4.4%
67853IngallsStandard875$98,309303.7-11.4%
67841EnsignStandard377$71,250104.4-17.0%

Adjacent & Nearby Counties