Ottawa County, KS Population

Overview

5,778

Total Population

42.4

Median age

47.94%

Female population %

108.6:100

Gender ratio (M:F)

10-14 years

Largest age group

63.0

Total dependency ratio

White

Largest racial group

181

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Ottawa County is 42.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Ottawa County's population under 18 was 23.04%, compared to the 22.51% nationwide.
Ottawa County's elderly or the senior population (over 65 age) was 20.23% as compared to 16.04% nationwide.
Of the total population in Ottawa County, 18.41% were under the age of 15, 16.82% aged 15 to 29, 44.53% aged 30 to 64, 18.59% aged 65 to 84, and 1.64% were 85 years of age and older.

There are 238 less females than males in Ottawa County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.94% females and 52.06% males in Ottawa County, KS.
The Ottawa County, KS gender ratio is 108.6:100 i.e. 108.6 men to 100 women (1.086).
For male population, the largest age group is 10-14 years with a population of 280.
For the female population, the largest age group is 55-59 years with a population of 260.

Ottawa County's population has become increasingly diverse:

Racial distribution of Ottawa County population: 95.05% are White, 0.90% are Black or African American, 0.57% are American Indian and Alaska Native, 0.31% are Asian, 0.69% are some other race and 2.47% are multiracial.
Ottawa County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 181 is Hispanic or Latino (of any race), and 5,597 (96.87% of the total population) is Non-Hispanic.
The largest racial group in Ottawa County is White with a population of 5,492 (95.05% of the total population).

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

The peak population was 6,208 in the year 2000
From 2000 to 2010, Ottawa County's population decreased by 111 (1.79%), as compared to the national growth of 9.63%.
From 2010 to 2020, Ottawa County's population decreased by 369 (6.05%), 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 2019 at 5,713.