Ottawa County, OK Population

Overview

30,568

Total Population

37.7

Median age

50.68%

Female population %

97.3:100

Gender ratio (M:F)

15-19 years

Largest age group

64.1

Total dependency ratio

White

Largest racial group

1,834

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Ottawa County's population is young compared to the rest of the country:

The median age in Ottawa County is 37.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Ottawa County's population under 18 was 25.16%, compared to the 22.51% nationwide.
Ottawa County's elderly or the senior population (over 65 age) was 17.95% as compared to 16.04% nationwide.
Of the total population in Ottawa County, 21.10% were under the age of 15, 20.01% aged 15 to 29, 40.94% aged 30 to 64, 16.19% aged 65 to 84, and 1.76% were 85 years of age and older.

There are 416 more females than males in Ottawa County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.68% females and 49.32% males in Ottawa County, OK.
The Ottawa County, OK gender ratio is 97.3:100 i.e. 97.3 men to 100 women (0.973).
For male population, the largest age group is 15-19 years with a population of 1,220.
For the female population, the largest age group is 5-9 years with a population of 1,147.

Ottawa County's population has become increasingly diverse:

Racial distribution of Ottawa County population: 64.89% are White, 1.17% are Black or African American, 20.59% are American Indian and Alaska Native, 0.76% are Asian, 0.74% are Native Hawaiian and other Pacific Islander, 2.68% are some other race and 9.17% are multiracial.
Ottawa County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,834 is Hispanic or Latino (of any race), and 28,734 (94% of the total population) is Non-Hispanic.
The largest racial group in Ottawa County is White with a population of 19,835 (64.89% of the total population).

Ottawa County's population has already reached its peak and is showing a trend of decline:

The peak population was 33,274 in the year 2000
From 2000 to 2010, Ottawa County's population decreased by 1,414 (4.25%), as compared to the national growth of 9.63%.
From 2010 to 2020, Ottawa County's population decreased by 1,631 (5.12%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Ottawa County's population was lowest in year 2020 at 30,229.