ZIP Codes of Grady County, OK

Population & People
Population & People
Total Population
45,950
Household Income
Household Income
Median Income
$71,557
Housing
Housing
Total Housing Units
19,692
Business & Economy
Business & Economy
Total Businesses
1,068
Employment
Employment
Employment Rate
56.86%
Education
Education
Bachelor's Degree+
22.47%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (10 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:405 / 572 / 580
Timezone:Central (GMT -06:00)
Local Time:2:13:24 PM
Population:45,950 [See All]
FIPS:40051
CBSA:Oklahoma City, OK
Land Area:985 sq mi
Water Area:5 sq mi
Coordinates:35.0596, -97.8985
Quick Link:
https://www.zip-codes.com/county/ok-grady.asp
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Oklahoma's #18 most populous county
45,950 residents across 11 ZIPs — #18 of 78 Oklahoma counties.

Standout ZIPs in this County


Most Populous
Chickasha · 20,505 people
44.6% of county total
Highest Income
Tuttle · $103,048 median
1.4× county average
Largest Land Area
Chickasha · 156.3 sq mi
Spans the most ground
Fastest Growth
Tuttle · 15.2% (10-yr)
12,402 → 14,290 residents
Most Educated
Tuttle · 26.4% bachelor's+
2,604 of 9,848 adults 25+

Things worth knowing about Grady County


45,950 residents live across 11 ZIPs covering 985 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 43,486 to 45,950 from 2014 to 2024 — a +5.7% change. 8 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 73089 (Tuttle, $103,048 median) and poorest ZIP 73092 (Verden, $51,750) are 17.4 miles apart — a 2.0× income gap across local geography.

Median home values vary 2.8× across this county — from $105,600 in 73002 (Alex) to $291,300 in 73089 (Tuttle).

Density varies 16× across the county — from 8 people/sq mi in 73079 (Pocasset) to 131 in 73018 (Chickasha).

Educational attainment ranges from 10.9% bachelor's+ in 73002 (Alex) to 26.4% in 73089 (Tuttle) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #18 most populous of 78 counties and ranks #13 for median household income with the #12 fastest decade growth .

Weighted by population, the typical household earns about $73,768 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.5% of adults age 25+ hold a bachelor's degree or higher (7,063 of 31,431 reporting).

10 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Grady 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
985
square miles
Avg density
46.7
people per sq mi
Population
45,950
across 11 ZIPs
Chickasha
156.3 sq mi
20,505 residents
Minco
153.2 sq mi
2,784 residents
Rush Springs
150.2 sq mi
2,714 residents

All ZIP Codes in Grady County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
73018ChickashaStandard20,505$56,484156.32.6%
73089TuttleStandard14,290$103,048110.315.2%
73059MincoStandard2,784$73,125153.29.5%
73082Rush SpringsStandard2,714$59,211150.23.9%
73067NinnekahStandard1,606$63,603124.6-26.1%
73002AlexStandard1,177$69,80832.910.2%
73004AmberStandard853$83,03658.413.3%
73092VerdenStandard732$51,75055.8-15.8%
73079PocassetStandard682$95,97281.76.9%
73011BradleyStandard607$59,53161.339.2%
73023ChickashaPO Box0.0

Adjacent & Nearby Counties