Washington County, Oklahoma
Washington County: County in Oklahoma, United States
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 10 years in 2020 county had an estimated population of 52,222 inhabitants. Its county seat is Bartlesville. The county was created 118 years ago in 1906.
Quick Facts about Washington County
| Population : | 52,222 (2020) |
| 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 : | 03:02:17 (22nd February 2025) |
| Density : | 123 Pop. per km² as of 2020 |
| Population growth : | 2.39% (2010-2020) |
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.
Washington County map
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The largest city of Washington County is Bartlesville with a population of 36,605. Other cities include, Dewey population 3,411, Ochelata population 431 and Vera population 244. See all Washington County cities & populated places.
Washington County Populated Places
Cities, towns, neighborhoods & other populated places in Washington County.
| City Name | Population | Title |
|---|---|---|
| Bartlesville | 36,605 | City in Oklahoma |
| Dewey | 3,411 | City in Washington County, Oklahoma, United States |
| Copan | 746 | Town in Oklahoma |
| Ramona | 555 | Town in Oklahoma, United States |
| Ochelata | 431 | City in Washington County, Oklahoma, United States of America |
| Vera | 244 | City in Washington County, Oklahoma, United States of America |
- Official Website
Official website of Washington County
Washington County has 6 neighbours.
- Chautauqua County county in Kansas, United States
- Montgomery County county in Kansas, United States
- Nowata County county in Oklahoma, United States
- Osage County county in Oklahoma, United States
- Rogers County county in Oklahoma, United States
- Tulsa County county in Oklahoma, United States of America
- Bartlesville
Demographics
The population of Washington County increased by 2.39% in 10 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 |
| 2020 | 52,222 | 1.33% | estimation process |
Comitatul Washington, Comte de Washington, Comté de Washington, Condado de Washington, Condado han Washington, Contea di Washington, Hrabstwo Washington, Okrug Vashington, Quan Washington, Quận Washington, Vashington, Washington, Washington Kun, Washington Kūn, Washington konderria, Washington megye, Washingtoni maakond, hua sheng dun xian, mqatʿt washntn, raasintana ka'unti, shhrstan washyngtn aklahma, washinton jun, Вашингтон, Округ Вашингтон, شهرستان واشینگتن، اکلاهما, مقاطعة واشنطن, واشنگٹن کاؤنٹی، اوکلاہوما, ৱাশিংটন কাউন্টি, ワシントン郡, 華盛頓縣
People born in Washington County (1)
American cryptographer Helen Nibouar was born in Washington County
Other places with the same name (30)
- Washington County , Oregon county in Oregon, United States with a population of 603,514 people.
- Washington County , Minnesota county in Minnesota, United States with a population of 265,476 people.
- Washington County , Arkansas county in Arkansas, United States with a population of 243,216 people.
- Washington County , Pennsylvania county in Pennsylvania, United States with a population of 206,803 people.
- Washington County , Utah county in southwestern Utah, United States with a population of 184,913 people.
- Washington County , Maryland county in Maryland, United States with a population of 151,146 people.
- Washington County , Wisconsin county in Wisconsin, United States with a population of 136,445 people.
- Washington County , Tennessee county in Tennessee, United States with a population of 130,367 people.
- Washington County , Rhode Island county in Rhode Island, United States with a population of 125,746 people.
- Washington County , New York county in New York, United States with a population of 60,606 people.
- Washington County , Ohio county in Ohio, United States with a population of 59,652 people.
- Washington County , Vermont county in Vermont, United States with a population of 58,328 people.
- Washington County , Virginia county in Virginia, United States with a population of 53,695 people.
- Washington County , Mississippi county in Mississippi, United States with a population of 42,837 people.
- Washington County , Texas county in Texas, United States with a population of 35,771 people.
- Washington County , Maine county in Maine, United States with a population of 31,473 people.
- Washington County , Indiana county in Indiana, United States with a population of 28,213 people.
- Washington County , Florida county in Florida, United States with a population of 25,932 people.
- Washington County , Missouri county in Missouri, United States with a population of 24,604 people.
- Washington County , Iowa county in Iowa, United States with a population of 21,992 people.
- Washington County , Nebraska county in Nebraska, United States with a population of 20,901 people.
- Washington County , Georgia county in Georgia, United States with a population of 20,150 people.
- Washington County , Alabama county in Alabama, United States with a population of 15,976 people.
- Washington County , Illinois county in Illinois, United States with a population of 13,764 people.
- Washington County , Kentucky county in Kentucky, United States with a population of 12,147 people.
- Washington County , North Carolina county in North Carolina, United States with a population of 11,485 people.
- Washington County , Idaho county in Idaho, United States with a population of 10,194 people.
- Washington County , Kansas county in Kansas, United States with a population of 5,427 people.
- Washington County , Colorado county in Colorado, United States with a population of 4,875 people.
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 |
