Washington County , Oklahoma

Washington County: County in Oklahoma, United States

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

About

Washington County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 50,976 and a population density of 120 people per km². After 9 years in 2019 county had an estimated population of 51,527 inhabitants. Its county seat is Bartlesville. The county was created 114 years ago in 1906.

Geography

Washington County is located at 36°42'55"N 95°54'16"W (36.7152400, -95.9043700). It has 6 neighbors: Chautauqua County, Montgomery County, Nowata County, Osage County, Rogers County and Tulsa County.

Old Washington County Courthouse Bartlesville image
Old Washington County Courthouse Bartlesville

The largest city of Washington County is Bartlesville with a population of 36,144. Other cities include, Dewey population 3,384, Ochelata population 424 and Vera population 247. See all Washington County cities & populated places.

Old Washington County Courthouse Bartlesville image

Washington County map

Washington County Quick Facts

Population : 51,527 (2019)
Country : United States of America
State : Oklahoma (United States)
Area : 424 km2
Water as percent of area : 2.1%
Land as percent of area : 97.9%
Named for : George Washington
Capital : Bartlesville
Establishment : January 01, 1907
Time Zone : America/Chicago
Local time : 04:46:32 (28th July 2021)
Density : 122 Pop. per km² as of 2019
Population growth : 1.07% (2010-2019)

Washington County has 6 neighbours.

  • Bartlesville

Demographics

The population of Washington County increased by 1.07% in 9 years.

Year Population % Change Method
2010 50,976 - census
2011 51,362 0.75% estimation process
2012 51,627 0.51% estimation process
2013 51,646 0.04% estimation process
2014 51,997 0.68% estimation process
2015 52,091 0.18% estimation process
2016 52,027 -0.12% estimation process
2017 51,996 -0.06% estimation process
2018 51,791 -0.4% estimation process
2019 51,527 -0.51% estimation process

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People born in Washington County (1)

American cryptographer Helen Nibouar was born in Washington County

Other places with the same name (29)

Washington County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Washington County.

City Name Population Title
Bartlesville 36,144 City in Oklahoma
Dewey 3,384 City in Washington County, Oklahoma, United States
Copan 737 Town in Oklahoma
Ramona 545 Town in Oklahoma, United States
Ochelata 424 City in Washington County, Oklahoma, United States of America
Vera 247 City in Washington County, Oklahoma, United States of America

Oklahoma Other Counties (more counties)

County Name Population Title
Oklahoma 3,956,971 State of the United States of America
Oklahoma County 797,434 County in Oklahoma, United States
Oklahoma City 655,057 City in Oklahoma, Cleveland, Canadian, and Pottawatomie counties in Oklahoma, United States; state capital of Oklahoma; and county seat of Oklahoma County
Tulsa County 651,552 County in Oklahoma, United States of America
Tulsa 401,190 County seat of Tulsa County, Oklahoma, United States
Cleveland County 284,014 County in North Carolina, United States
Canadian County 148,306 County in Oklahoma, United States
Norman 124,880 City in Oklahoma, United States of America
Comanche County 120,749 County in Oklahoma, United States
Broken Arrow 110,198 City in Oklahoma, United States of America
Edmond 94,054 City in Oklahoma County, Oklahoma, United States
Lawton 93,025 City in Oklahoma
Rogers County 92,459 County in Oklahoma, United States
Payne County 81,784 County in Oklahoma, United States
Wagoner County 81,289 County in Oklahoma, United States of America
Pottawatomie County 72,592 County in Oklahoma, United States

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