Grady County area

Population and density of Grady County

The Census Bureau estimates that 59,128 people lived in Grady County on July 1, 2025. That ranks #916 of 3,222 county equivalents nationally and #13 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 54,807, the population has grown by 4,321 (+7.9%), compared with +4.1% for Oklahoma as a whole.

With 1,100.5 square miles of land, that is 54 people per square mile (21 per km²), placing Grady County #1,482 nationally for density and #23 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 12 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Grady County

13 incorporated places lie at least partly in Grady County. Together they are home to 34,035 people (57.6%); the other 25,093 (42.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Chickasha city, with 17,313 residents in the county. By land, Blanchard city is the largest at 30.7 mi² across all its counties. Among places with at least 1,000 residents in 2020, Tuttle city grew fastest since then (+18%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Grady County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Grady County is an outlying county of the Oklahoma City, OK Metropolitan Statistical Area. Its 7 county equivalents have 1,512,813 residents on 5,511.8 square miles of land; Grady County accounts for 20% of the land and 3.9% of the residents. By combined land it ranks #43 of 393 metropolitan areas, and #43 by population. It belongs to the Oklahoma City-Shawnee, OK Combined Statistical Area.

ZIP codes

14 ZIP Code Tabulation Areas have land in Grady County; 11 of them have most of their land inside the county, and the others mainly cover neighboring areas.

7300273004730107301173017730187305273055730597306773079730827308973092

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Grady County

Grady County shares a land border with 6 county equivalents. It has more land than 5 of them. The largest neighbor is Caddo County (1,277.8 mi²) and the smallest is McClain County (570.7 mi²). Together with its neighbors, Grady County forms a block of 6,587.3 mi² of land, of which it holds 16.7%.

How big is Grady County compared with U.S. states?

Grady County has more land than 1 of the 50 states. It is about 1.1 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.8 times as much land (1,948.6 mi²). Oklahoma’s county land could hold about 62 areas the size of Grady County.

Another way to picture it: the same land area would fill a square about 33.2 miles (53.4 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Grady County?

Grady County has more land than 2,643 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Grady County at #666 nationally by total area, 87 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Grady County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.