ZIP Codes of Custer County, OK

Population & People
Population & People
Total Population
28,079
Household Income
Household Income
Median Income
$64,522
Housing
Housing
Total Housing Units
12,838
Business & Economy
Business & Economy
Total Businesses
934
Employment
Employment
Employment Rate
65.55%
Education
Education
Bachelor's Degree+
31.79%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:580
Timezone:Central (GMT -06:00)
Local Time:11:54:43 PM
Population:28,079 [See All]
FIPS:40039
CBSA:Weatherford, OK
Land Area:884 sq mi
Water Area:2 sq mi
Coordinates:35.6411, -98.9353
Quick Link:
https://www.zip-codes.com/county/ok-custer.asp
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Oklahoma's #33 most populous county
28,079 residents across 6 ZIPs — #33 of 78 Oklahoma counties.

Standout ZIPs in this County


Most Populous
Weatherford · 14,364 people
51.2% of county total
Highest Income
Custer City · $73,269 median
1.1× county average
Largest Land Area
Weatherford · 181.7 sq mi
Spans the most ground
Fastest Growth
Weatherford · 2.2% (10-yr)
14,060 → 14,364 residents
Most Educated
Weatherford · 41.9% bachelor's+
3,315 of 7,909 adults 25+

Things worth knowing about Custer County


28,079 residents live across 6 ZIPs covering 884 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 28,173 to 28,079 from 2014 to 2024 — a -0.3% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 73639 (Custer City, $73,269 median) and poorest ZIP 73620 (Arapaho, $53,194) are 8.5 miles apart — a 1.4× income gap across local geography.

Median home values vary 2.5× across this county — from $97,800 in 73639 (Custer City) to $248,600 in 73096 (Weatherford).

Density varies 30× across the county — from 3 people/sq mi in 73625 (Butler) to 79 in 73096 (Weatherford).

Educational attainment ranges from 18.8% bachelor's+ in 73620 (Arapaho) to 41.9% in 73096 (Weatherford) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #33 most populous of 78 counties and ranks #26 for median household income .

Weighted by population, the typical household earns about $60,188 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.8% of adults age 25+ hold a bachelor's degree or higher (5,265 of 16,563 reporting).

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

Stories about Custer 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
884
square miles
Avg density
31.8
people per sq mi
Population
28,079
across 6 ZIPs
Weatherford
181.7 sq mi
14,364 residents
Custer City
161.8 sq mi
817 residents
Thomas
157.8 sq mi
1,539 residents

All ZIP Codes in Custer County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
73096WeatherfordStandard14,364$59,138181.72.2%
73601ClintonStandard9,597$59,630135.0-6.3%
73669ThomasStandard1,539$69,821157.8-15.5%
73620ArapahoStandard1,378$53,194103.639.2%
73639Custer CityStandard817$73,269161.862.7%
73625ButlerStandard384$72,083143.6-31.3%

Adjacent & Nearby Counties