McClain County, Oklahoma

McClain County: County in Oklahoma, United States

About

McClain County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 34,506 and a population density of 23 people per km². After 10 years in 2020 county had an estimated population of 41,348 inhabitants. Its county seat is Purcell. The county was created 118 years ago in 1906.

McClain County locator map
Location of McClain County on Oklahoma map.

Quick Facts about McClain County

Population : 41,348 (2020)
Country : United States of America
State : Oklahoma (United States)
Area : 1503 km2
Water as percent of area : 1.6%
Land as percent of area : 98.4%
Named for : Charles M. McClain
Altitude : 1,230 feet / 375 meters
Capital : Purcell
Establishment : January 01, 1907
Time Zone : America/Chicago
Local time : 08:58:50 (21st May 2025)
Density : 28 Pop. per km² as of 2020
Population growth : 16.55% (2010-2020)
McClain County Courthouse image
McClain County Courthouse
McClain County Courthouse image
McClain County Courthouse image

Geography

McClain County is located at 35°0'34"N 97°26'39"W (35.0093400, -97.4443000). It has 4 neighbors: Garvin County, Grady County, Pontotoc County and Pottawatomie County.

McClain County map

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The largest city of McClain County is Newcastle with a population of 11,347. Other cities include, Blanchard population 9,114, Purcell population 6,391, Dibble population 878 and Cole population 599. See all McClain County cities & populated places.

McClain County Populated Places

Cities, towns, neighborhoods & other populated places in McClain County.

City Name Population Title
Newcastle 11,347 City in Oklahoma, United States
Blanchard 9,114 City in Oklahoma, USA
Purcell 6,391 City in Oklahoma
Goldsby 2,536 Town in Oklahoma
Dibble 878 Human settlement in McClain County, Oklahoma, United States of America
Wayne 733 Town in McClain County, Oklahoma
Washington 601 Town in Oklahoma
Cole 599 Human settlement in McClain County, Oklahoma, United States of America
Byars 274 Human settlement in McClain County, Oklahoma, United States of America
Rosedale 73 Town in the United States

McClain County has 4 neighbours.

  • Purcell

Demographics

The population of McClain County increased by 16.55% in 10 years.

Year Population % Change Method
2010 34,506 - census
2011 35,196 1.96% estimation process
2012 35,580 1.08% estimation process
2013 36,457 2.41% estimation process
2014 37,244 2.11% estimation process
2015 37,973 1.92% estimation process
2016 38,597 1.62% estimation process
2017 39,306 1.8% estimation process
2018 39,887 1.46% estimation process
2019 40,474 1.45% estimation process
2020 41,348 2.11% estimation process

Comte de McClain, Comté de McClain, McClain

People born in McClain County (1)

American journalist Estelle Chisholm Ward was born in McClain County

Oklahoma Other Counties (more counties)

County Name Population Title
Oklahoma County 804,041 County in Oklahoma, United States
Tulsa County 657,589 County in Oklahoma, United States of America
Oklahoma City 655,057 The twenty-seventh most populous city in the United States and the center of the Oklahoma City metropolitan area.
Tulsa 403,166 The second most populous city in Oklahoma and the center of the Tulsa metropolitan area.
Cleveland County 287,066 County in North Carolina, United States
Canadian County 153,192 County in Oklahoma, United States
Norman 125,762 The second most populous city in Oklahoma.
Comanche County 121,099 County in Oklahoma, United States
Broken Arrow 111,648 The most populous city in Tulsa County, Oklahoma.
Edmond 95,346 The fourth most populous city in Oklahoma County, Oklahoma.
Lawton 93,164 The most populous city in Comanche County, Oklahoma.
Rogers County 93,155 County in Oklahoma, United States
Wagoner County 82,925 County in Oklahoma, United States of America
Payne County 81,755 County in Oklahoma, United States
Pottawatomie County 72,998 County in Oklahoma, United States
Creek County 71,485 County in Oklahoma, United States