Harper County, Oklahoma

Harper County: County in Oklahoma, United States


Harper County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 3,685 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 3,611 inhabitants. Its county seat is Buffalo. The county was created 115 years ago in 1907.

Quick Facts about Harper County

Population : 3,611 (2020)
Country : United States of America
State : Oklahoma (United States)
Different from : Harper County
Area : 2696 km2
Water as percent of area : 0.2%
Land as percent of area : 99.8%
Named for : Oscar G. Harper
Capital : Buffalo
Establishment : July 07, 1907
Time Zone : America/Chicago
Local time : 18:48:10 (28th November 2022)
Density : 1 Pop. per km² as of 2020
Population growth : -2.05% (2010-2020)
Harper County locator map
Location of Harper County on Oklahoma map.


Harper County is located at 36°47'19"N 99°40'2"W (36.7887300, -99.6673600). It has 6 neighbors: Clark County, Comanche County, Ellis County, Woods County, Woodward County and Beaver County.

Harper County map

The largest city of Harper County is May with a population of 39. . See all Harper County cities & populated places.

Harper County Populated Places

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

City Name Population Title
Laverne 1,297 Town in Harper County, Oklahoma, United States
Buffalo 1,265 Town in Oklahoma
May 39 Human settlement in Harper County, Oklahoma, United States of America
Rosston 31 Town of the United States

Harper County has 6 neighbours.

  • Buffalo


According to census records, the population of Harper County decreased by 2.05% in 10 years.

Year Population % Change Method
2010 3,685 - census
2011 3,713 0.75% estimation process
2012 3,711 -0.05% estimation process
2013 3,871 4.13% estimation process
2014 3,894 0.59% estimation process
2015 3,826 -1.78% estimation process
2016 3,776 -1.32% estimation process
2017 3,784 0.21% estimation process
2018 3,727 -1.53% estimation process
2019 3,688 -1.06% estimation process
2020 3,611 -2.13% estimation process

Comitatul Harper, Comtat de Harper, Comte de Harper, Comté de Harper, Condado de Harper, Condado han Harper, Contea di Harper, Garper, Harper, Harper Kun, Harper Kūn, Harper konderria, Harper megye, Harperi maakond, Hrabstwo Harper, Kharper, Kharpur, Okrug Kharper, Quan Harper, Quận Harper, ha po xian, hapa jun, harapera ka'unti, mqatʿt harbr, shhrstan harpr aklahma, Гарпер, Округ Харпер, Харпер, Харпър, شهرستان هارپر، اکلاهما, مقاطعة هاربر, ہارپر کاؤنٹی, ہارپر کاؤنٹی، اوکلاہوما, হারপের কাউন্টি, ハーパー郡, 哈珀縣

Other places with the same name (2)

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 City in Oklahoma, Cleveland, Canadian, and Pottawatomie counties in Oklahoma, United States; state capital of Oklahoma; and county seat of Oklahoma County
Tulsa 403,166 County seat of Tulsa County, Oklahoma, United States
Cleveland County 287,066 County in North Carolina, United States
Canadian County 153,192 County in Oklahoma, United States
Norman 125,762 City in Oklahoma, United States of America
Comanche County 121,099 County in Oklahoma, United States
Broken Arrow 111,648 City in Oklahoma, United States of America
Edmond 95,346 City in Oklahoma County, Oklahoma, United States
Lawton 93,164 City in 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