ZIP Codes of Grant County, OK

Population & People
Population & People
Total Population
4,080
Household Income
Household Income
Median Income
$63,996
Housing
Housing
Total Housing Units
2,132
Business & Economy
Business & Economy
Total Businesses
115
Employment
Employment
Employment Rate
52.89%
Education
Education
Bachelor's Degree+
23.34%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:580
Timezone:Central (GMT -06:00)
Local Time:2:13:24 PM
Population:4,080 [See All]
FIPS:40053
Land Area:1,001 sq mi
Water Area:3 sq mi
Coordinates:36.7841, -97.8188
Quick Link:
https://www.zip-codes.com/county/ok-grant.asp
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Oklahoma's #73 most populous county
4,080 residents across 7 ZIPs — #73 of 78 Oklahoma counties.

Standout ZIPs in this County


Most Populous
Medford · 1,335 people
32.7% of county total
Highest Income
Manchester · $90,357 median
1.4× county average
Largest Land Area
Medford · 372.4 sq mi
Spans the most ground
Fastest Growth
Pond Creek · -14.0% (10-yr)
1,159 → 997 residents
Most Educated
— no education data

Things worth knowing about Grant County


4,080 residents live across 7 ZIPs covering 1,001 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 4,526 to 4,080 from 2014 to 2024 — a -9.9% change. 2 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 73758 (Manchester, $90,357 median) and poorest ZIP 73771 (Wakita, $39,750) are 8.5 miles apart — a 2.3× income gap across local geography.

Median home values vary 3.7× across this county — from $58,600 in 73771 (Wakita) to $214,300 in 74636 (Deer Creek).

Density varies across the county — from 3 people/sq mi in 73761 (Nash) to 10 in 73766 (Pond Creek).

Educational attainment ranges from 14.7% bachelor's+ in 74643 (Lamont) to 35.9% in 73761 (Nash) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #73 most populous of 78 counties and ranks #27 for median household income .

Weighted by population, the typical household earns about $59,122 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.3% of adults age 25+ hold a bachelor's degree or higher (666 of 2,853 reporting).

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

Stories about Grant 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
1,001
square miles
Avg density
4.1
people per sq mi
Population
4,080
across 7 ZIPs
Medford
372.4 sq mi
1,335 residents
Nash
146.6 sq mi
370 residents
Wakita
132.8 sq mi
420 residents

Population decline

Grant County lost 9.9% of residents between 2014 and 2024. ZIPs that shed the largest share:

Medford
-16.9%
1,606 → 1,335 residents
Pond Creek
-14.0%
1,159 → 997 residents

All ZIP Codes in Grant County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
73759MedfordStandard1,335$51,705372.4-16.9%
73766Pond CreekStandard997$58,233101.0-14.0%
74643LamontStandard512$68,929115.827.0%
73771WakitaStandard420$39,750132.8-1.4%
73761NashStandard370$75,000146.6-25.3%
73758ManchesterStandard257$90,35775.958.6%
74636Deer CreekStandard18956.5-31.3%

Adjacent & Nearby Counties