Atchison County, KS Population

Overview

16,382

Total Population

36.4

Median age

51.30%

Female population %

94.9:100

Gender ratio (M:F)

15-19 years

Largest age group

55.6

Total dependency ratio

White

Largest racial group

518

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Atchison County is 36.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Atchison County's population under 18 was 23.48%, compared to the 22.51% nationwide.
Atchison County's elderly or the senior population (over 65 age) was 16.96% as compared to 16.04% nationwide.
Of the total population in Atchison County, 18.76% were under the age of 15, 25.09% aged 15 to 29, 39.20% aged 30 to 64, 14.61% aged 65 to 84, and 2.35% were 85 years of age and older.

There are 426 more females than males in Atchison County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.30% females and 48.70% males in Atchison County, KS.
The Atchison County, KS gender ratio is 94.9:100 i.e. 94.9 men to 100 women (0.949).
For male population, the largest age group is 15-19 years with a population of 732.
For the female population, the largest age group is 15-19 years with a population of 947.

Atchison County's population has become increasingly diverse:

Racial distribution of Atchison County population: 88.45% are White, 2.56% are Black or African American, 0.19% are American Indian and Alaska Native, 0.63% are Asian, 1.07% are some other race and 7.10% are multiracial.
Atchison County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 518 is Hispanic or Latino (of any race), and 15,864 (96.84% of the total population) is Non-Hispanic.
The largest racial group in Atchison County is White with a population of 14,49 (88.45% of the total population).

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

The peak population was 16,855 in the year 2010
From 2000 to 2010, Atchison County's population increased by 70 (0.42%), as compared to the national growth of 9.63%.
From 2010 to 2020, Atchison County's population decreased by 537 (3.19%), 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, Atchison County's population was lowest in year 2022 at 16,108.