Ottawa County Demographics

A map of Ottawa County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	18,918	18,850	62.4%	62.2%
Native American/Other	5,825	5,844	19.2%	19.3%
Multiracial	3,151	3,442	10.4%	11.4%
Hispanic	1,859	1,708	6.1%	5.6%
Black	343	287	1.1%	0.9%
Asian	245	154	0.8%	0.5%

Ottawa County, Oklahoma has an estimated population of 30,341, a less than 1% change from the 30,285 recorded in the 2020 Census. The population is 62.4% White, 19.2% Native American/Other, 10.4% Multiracial, 6.1% Hispanic, 1.1% Black, and 0.8% Asian. This demographic dot map shows the population of Ottawa County, with one dot drawn for each person counted by the Census, color-coded by race.

Ottawa is about as racially diverse as it was in the 2020 Census. It is 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 Ottawa County, that probability was 55.9% in 2020 and 56.0% in the most recent ACS estimates.

Ottawa County is ranked the 32nd most populous county in Oklahoma, out of 77 counties. Ottawa County was ranked the 32nd most populous county in the 2020 Census.

Ottawa County's White Population

18,918 residents of Ottawa County, or 62.4% of the population, identify as White. The share of White residents in Ottawa County is comparable to the share in Oklahoma overall, where 62.1% of the population is White. Ottawa County ranks 53rd statewide in terms of White residents as a share of the population, out of 77 counties.

Since the 2020 Census, Ottawa County's White population has remained roughly the same. White residents' share of Ottawa County's population has remained roughly unchanged at 62.4%.

Ottawa County is more White than neighboring Craig County (61.1% White), and Delaware County (62.1% White). Ottawa County is less White than neighboring Cherokee County (85.3% White), Newton County (80.4% White), and McDonald County (68.3% White).

Ottawa County's Black Population

343 residents of Ottawa County, or 1.1% of the population, identify as Black. The share of Black residents in Ottawa County is lower than in Oklahoma overall, where 6.8% of the population is Black. Ottawa County ranks 59th statewide in terms of Black residents as a share of the population, out of 77 counties.

Since the 2020 Census, Ottawa County's Black population has grown by an estimated 19.5%. Black residents' share of Ottawa County's population has remained roughly unchanged at 1.1%.

Ottawa County is more Black than neighboring Cherokee County (0.8% Black), Delaware County (0.4% Black), and Newton County (0.9% Black). Ottawa County is less Black than neighboring Craig County (3.3% Black), and McDonald County (2% Black).

Ottawa County's Asian Population

245 residents of Ottawa County, or 0.8% of the population, identify as Asian. The share of Asian residents in Ottawa County is comparable to the share in Oklahoma overall, where 2.4% of the population is Asian. Ottawa County ranks 37th statewide in terms of Asian residents as a share of the population, out of 77 counties.

Since the 2020 Census, Ottawa County's Asian population has grown by an estimated 59.1%. Asian residents' share of Ottawa County's population has remained roughly unchanged at 0.8%.

Ottawa County is more Asian than neighboring Cherokee County (0.5% Asian). Ottawa County is less Asian than neighboring Craig County (1.6% Asian), Delaware County (1.5% Asian), Newton County (1.6% Asian), and McDonald County (1.3% Asian).

Ottawa County's Hispanic Population

1,859 residents of Ottawa County, or 6.1% of the population, identify as Hispanic. The share of Hispanic residents in Ottawa County is lower than in Oklahoma overall, where 12.7% of the population is Hispanic. Ottawa County ranks 53rd statewide in terms of Hispanic residents as a share of the population, out of 77 counties.

Since the 2020 Census, Ottawa County's Hispanic population has grown by an estimated 8.8%. Hispanic residents' share of Ottawa County's population has increased from 5.6% to 6.1%.

Ottawa County is more Hispanic than neighboring Cherokee County (3% Hispanic), Craig County (4% Hispanic), and Delaware County (4.5% Hispanic). Ottawa County is less Hispanic than neighboring Newton County (6.8% Hispanic), and McDonald County (12.4% Hispanic).

Ottawa County's Native American/Other Population

5,825 residents of Ottawa County, or 19.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ottawa County is considerably higher than in Oklahoma overall, where 7.1% of the population is Native American/Other. Ottawa County ranks 11th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.

Since the 2020 Census, Ottawa County's Native American/Other population has remained roughly the same. Native American/Other residents' share of Ottawa County's population has remained roughly unchanged at 19.2%.

Ottawa County is more Native American/Other than neighboring Cherokee County (3% Native American/Other), Newton County (3.1% Native American/Other), and McDonald County (5.6% Native American/Other). Ottawa County is less Native American/Other than neighboring Craig County (19.7% Native American/Other), and Delaware County (20.4% Native American/Other).

Ottawa County's Multiracial Population

3,151 residents of Ottawa County, or 10.4% of the population, identify as Multiracial. The share of Multiracial residents in Ottawa County is comparable to the share in Oklahoma overall, where 8.9% of the population is Multiracial. Ottawa County ranks 16th statewide in terms of Multiracial residents as a share of the population, out of 77 counties.

Since the 2020 Census, Ottawa County's Multiracial population has declined by an estimated 8.5%. Multiracial residents' share of Ottawa County's population has decreased from 11.4% to 10.4%.

Ottawa County is more Multiracial than neighboring Cherokee County (7.4% Multiracial), Craig County (10.2% Multiracial), and Newton County (7.2% Multiracial). Ottawa County is less Multiracial than neighboring Delaware County (11% 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.