Harper County Demographics

A map of Harper County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,269	2,375	70.8%	72.6%
Hispanic	784	733	24.5%	22.4%
Multiracial	101	134	3.2%	4.1%
Native American/Other	45	26	1.4%	0.8%
Black	2	4	0.1%	0.1%
Asian	2	0	0.1%	0.0%

Harper County, Oklahoma has an estimated population of 3,203, a slight decrease from the 3,272 recorded in the 2020 Census. The population is 70.8% White, 24.5% Hispanic, 3.2% Multiracial, 1.4% Native American/Other, 0.1% Black, and 0.1% Asian. This demographic dot map shows the population of Harper County, with one dot drawn for each person counted by the Census, color-coded by race.

Harper has become more racially diverse since the 2020 Census. It is considerably less diverse than Oklahoma overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Harper County, that probability was 42.1% in 2020 and 43.7% in the most recent ACS estimates.

Harper County is ranked the 75th most populous county in Oklahoma, out of 77 counties. Harper County was ranked the 75th most populous county in the 2020 Census.

Harper County's White Population

2,269 residents of Harper County, or 70.8% of the population, identify as White. The share of White residents in Harper County is higher than in Oklahoma overall, where 62.1% of the population is White. Harper County ranks 21st statewide in terms of White residents as a share of the population, out of 77 counties.

Since the 2020 Census, Harper County's White population has declined by an estimated 4.5%. White residents' share of Harper County's population has decreased from 72.6% to 70.8%.

Harper County is more White than neighboring Lipscomb County (56.1% White). Harper County is less White than neighboring Clark County (87.3% White), Woodward County (75.8% White), Comanche County (94.7% White), and Ellis County (83.1% White).

Harper County's Black Population

2 residents of Harper County, or 0.1% of the population, identify as Black. The share of Black residents in Harper County is lower than in Oklahoma overall, where 6.8% of the population is Black. Harper County ranks 75th statewide in terms of Black residents as a share of the population, out of 77 counties.

Since the 2020 Census, Harper County's Black population has declined by an estimated 50.0%. Black residents' share of Harper County's population has remained roughly unchanged at 0.1%.

Harper County is more Black than neighboring Clark County (0% Black), and Lipscomb County (0% Black). Harper County is less Black than neighboring Woodward County (1.1% Black), Comanche County (0.4% Black), and Ellis County (0.4% Black).

Harper County's Asian Population

2 residents of Harper County, or 0.1% of the population, identify as Asian. The share of Asian residents in Harper County is slightly lower than in Oklahoma overall, where 2.4% of the population is Asian. Harper County ranks 76th statewide in terms of Asian residents as a share of the population, out of 77 counties.

Since the 2020 Census, Harper County's Asian population has grown from 0 to an estimated 2. Asian residents' share of Harper County's population has remained roughly unchanged at 0.1%.

Harper County is more Asian than neighboring Comanche County (0% Asian), and Lipscomb County (0% Asian). Harper County is less Asian than neighboring Clark County (0.4% Asian), Woodward County (0.4% Asian), and Ellis County (0.8% Asian).

Harper County's Hispanic Population

784 residents of Harper County, or 24.5% of the population, identify as Hispanic. The share of Hispanic residents in Harper County is considerably higher than in Oklahoma overall, where 12.7% of the population is Hispanic. Harper County ranks 7th statewide in terms of Hispanic residents as a share of the population, out of 77 counties.

Since the 2020 Census, Harper County's Hispanic population has grown by an estimated 7.0%. Hispanic residents' share of Harper County's population has increased from 22.4% to 24.5%.

Harper County is more Hispanic than neighboring Clark County (5.4% Hispanic), Woodward County (15.2% Hispanic), Comanche County (2% Hispanic), and Ellis County (9.5% Hispanic). Harper County is less Hispanic than neighboring Lipscomb County (38.6% Hispanic).

Harper County's Native American/Other Population

45 residents of Harper County, or 1.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Harper County is lower than in Oklahoma overall, where 7.1% of the population is Native American/Other. Harper County ranks 75th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.

Since the 2020 Census, Harper County's Native American/Other population has grown by an estimated 73.1%. Native American/Other residents' share of Harper County's population has increased from 0.8% to 1.4%.

Harper County is more Native American/Other than neighboring Clark County (1.2% Native American/Other), Comanche County (0% Native American/Other), and Lipscomb County (1% Native American/Other). Harper County is less Native American/Other than neighboring Woodward County (3% Native American/Other), and Ellis County (1.5% Native American/Other).

Harper County's Multiracial Population

101 residents of Harper County, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Harper County is lower than in Oklahoma overall, where 8.9% of the population is Multiracial. Harper County ranks 74th statewide in terms of Multiracial residents as a share of the population, out of 77 counties.

Since the 2020 Census, Harper County's Multiracial population has declined by an estimated 24.6%. Multiracial residents' share of Harper County's population has decreased from 4.1% to 3.2%.

Harper County is more Multiracial than neighboring Comanche County (2.9% Multiracial). Harper County is less Multiracial than neighboring Clark County (5.7% Multiracial), Woodward County (4.5% Multiracial), Ellis County (4.7% Multiracial), and Lipscomb County (4.2% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.