Payne County area

Population and density of Payne County

The Census Bureau estimates that 83,889 people lived in Payne County on July 1, 2025. That ranks #706 of 3,222 county equivalents nationally and #8 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 81,644, the population has grown by 2,245 (+2.7%), compared with +4.1% for Oklahoma as a whole.

With 684.9 square miles of land, that is 122 people per square mile (47 per km²), placing Payne County #864 nationally for density and #8 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 5.2 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 Payne County

9 incorporated places lie at least partly in Payne County. Together they are home to 63,704 people (75.9%); the other 20,185 (24.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Stillwater city, with 50,046 residents in the county. Among places with at least 1,000 residents in 2020, Stillwater city grew fastest since then (+3.5%).

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

Metropolitan area

Payne County is a central county of the Stillwater, OK Micropolitan Statistical Area. Payne County is the area’s only county equivalent, so the micro area has the same 684.9 square miles of land. By combined land it ranks #314 of 542 micropolitan areas, and #61 by population.

ZIP codes

15 ZIP Code Tabulation Areas have land in Payne County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.

730277306373073740237403074032740457405974062740747407574077740787408574824

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 Payne County

Payne County shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Lincoln County (952.4 mi²) and the smallest is Pawnee County (568.3 mi²). Together with its neighbors, Payne County forms a block of 4,630.9 mi² of land, of which it holds 14.8%.

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

Payne County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.5 times as much. Oklahoma’s county land could hold about 100 areas the size of Payne County.

Another way to picture it: the same land area would fill a square about 26.2 miles (42.1 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 Payne County?

Payne County has more land than 1,852 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 Payne County at #1,445 nationally by total area, 75 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 1.8%, compared with a national county-equivalent median of 1.2% — 0.6 percentage points higher. 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 Payne 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.