ZIP Codes of Graham County, KS

Population & People
Population & People
Total Population
2,249
Household Income
Household Income
Median Income
$56,362
Housing
Housing
Total Housing Units
1,330
Business & Economy
Business & Economy
Total Businesses
91
Employment
Employment
Employment Rate
57.06%
Education
Education
Bachelor's Degree+
25.83%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:785
Timezone:Central (GMT -06:00)
Local Time:11:53:29 PM
Population:2,249 [See All]
FIPS:20065
Land Area:612 sq mi
Water Area:0 sq mi
Coordinates:39.3555, -99.8902
Quick Link:
https://www.zip-codes.com/county/ks-graham.asp
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Kansas's #95 most populous county
2,249 residents across 4 ZIPs — #95 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Hill City · 1,752 people
77.9% of county total
Highest Income
Penokee · $86,042 median
1.5× county average
Largest Land Area
Hill City · 224.5 sq mi
Spans the most ground
Fastest Growth
Hill City · 3.3% (10-yr)
1,696 → 1,752 residents
Most Educated
Hill City · 26.5% bachelor's+
319 of 1,206 adults 25+

Things worth knowing about Graham County


2,249 residents live across 4 ZIPs covering 612 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 2,390 to 2,249 from 2014 to 2024 — a -5.9% change. 1 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 67659 (Penokee, $86,042 median) and poorest ZIP 67625 (Bogue, $35,703) are 17.6 miles apart — a 2.4× income gap across local geography.

Median home values vary 2.4× across this county — from $64,800 in 67625 (Bogue) to $156,900 in 67659 (Penokee).

Density varies 17× across the county — from 0 people/sq mi in 67659 (Penokee) to 8 in 67642 (Hill City).

Educational attainment ranges from 19.0% bachelor's+ in 67625 (Bogue) to 28.2% in 67650 (Morland) — the breadth of educational profiles across the area.

Within Kansas, this is the #95 most populous of 106 counties and ranks #99 for median household income .

Weighted by population, the typical household earns about $49,655 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.8% of adults age 25+ hold a bachelor's degree or higher (414 of 1,603 reporting).

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

Stories about Graham 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
612
square miles
Avg density
3.7
people per sq mi
Population
2,249
across 4 ZIPs
Hill City
224.5 sq mi
1,752 residents
Morland
139.5 sq mi
204 residents
Bogue
128.7 sq mi
237 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.

Hill City

Population decline

Graham County lost 5.9% of residents between 2014 and 2024.

All ZIP Codes in Graham County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67642Hill CityStandard1,752$49,896224.53.3%
67625BogueStandard237$35,703128.7-24.5%
67650MorlandStandard204$53,808139.5-8.9%
67659PenokeeStandard56$86,042118.9-64.1%

Adjacent & Nearby Counties