Oklahoma Counties

Complete list of all 77 counties in Oklahoma with population, area, median income, and county seats — plus a free printable blank map.

Counties

Population

4,028,588

Area

68,596 sq mi

Capital

Oklahoma City

Time Zone

Central (CT)

Labeled outline map of Oklahoma counties. Download a printable version in SVG, PNG, or PDF.

All 77 Oklahoma counties

County	County Seat	Population ▼	Area	Median Income	Cities
Oklahoma	—	838,151	709 mi²	$72,816	11
Tulsa	—	685,454	570 mi²	$74,037	9
Cleveland	—	284,202	539 mi²	$79,813	5
Canadian	—	158,902	897 mi²	$86,906	8
Comanche	—	120,958	1,069 mi²	$61,509	11
Payne	—	83,650	685 mi²	$50,057	6
Rogers	—	80,973	676 mi²	$74,937	7
Wagoner	—	79,695	562 mi²	$83,692	6
Osage	—	77,705	2,246 mi²	$54,550	15
Pottawatomie	—	72,234	788 mi²	$63,352	7
Muskogee	—	71,575	810 mi²	$54,754	11
Creek	—	68,636	950 mi²	$62,918	14
Grady	—	67,471	1,101 mi²	$78,981	11
Garfield	—	62,557	1,058 mi²	$65,554	14
Carter	—	49,258	822 mi²	$60,807	12

How many counties does Oklahoma have?

Oklahoma has 77 counties covering 68,596 square miles and roughly 4,028,588 residents. The state was admitted to the Union in 1907 as the 46th state, and the current county boundaries reflect more than a century of administrative subdivision.

The largest county by land area is Osage County at 2,246 square miles, home to about 77,705 residents. The most populous is Oklahoma County with approximately 838,151 residents — a density of about 1,182 people per square mile.

At the other end of the scale, Harper County has only about 1,797 residents.

Oklahoma City is both the state capital and the largest city in Oklahoma.

Related resources

Download a printable outline of Oklahoma’s county boundaries from our blank map of Oklahoma page — available in SVG, PNG, and PDF.

Use the What County Am I In? tool to detect which Oklahoma county a GPS location or address falls in, or the Address to County Lookup for batch input.

For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any Oklahoma address and see every ZIP code and the total population inside.

Two SimpleMapLab studies cover Oklahoma specifically: the 100-mile radius around Oklahoma City measures how much of the state lives within 100 miles of its capitol, and the loneliest town in Oklahoma ranks the state’s most isolated inhabited place. The county-counts blog post puts Oklahoma’s 77 counties in national context.

Frequently asked questions

Oklahoma has 77 counties. The state was admitted to the Union in 1907 as the 46th state. County boundaries have shifted over time as the population spread and new administrative units were carved from existing ones.

Osage County is the largest by land area at 2,246 square miles, with about 77,705 residents.

Oklahoma County is the most populous, with approximately 838,151 residents over 709 square miles.

Harper County has the smallest population at about 1,797 residents.

Oklahoma City is both the state capital and the largest city in Oklahoma.

Population, area, and demographic figures are aggregated from ZIP-code-level US Census data (via the SimpleMaps dataset) and the US Census Gazetteer. County boundaries used to render the map are from the US Atlas TopoJSON build of the Census Bureau's TIGER/Line shapefiles. The data is public domain.

Data sources

Population and demographics are aggregated from ZIP-code-level US Census data via the SimpleMaps dataset. Countiesboundaries are from the US Atlas TopoJSON build of the Census Bureau’s TIGER/Line shapefiles. Land area is from the Census Gazetteer. State counts follow the US Census Bureau’s definition of counties and county-equivalents (50 states + DC = 3,143). All sources are public domain.

Neighboring states