Sumner County, KS Population

Overview

22,603

Total Population

42.1

Median age

48.99%

Female population %

104.1:100

Gender ratio (M:F)

55-59 years

Largest age group

62.9

Total dependency ratio

White

Largest racial group

1,285

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Sumner County is 42.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sumner County's population under 18 was 24.52%, compared to the 22.51% nationwide.
Sumner County's elderly or the senior population (over 65 age) was 18.78% as compared to 16.04% nationwide.
Of the total population in Sumner County, 19.84% were under the age of 15, 17.85% aged 15 to 29, 43.54% aged 30 to 64, 15.81% aged 65 to 84, and 2.97% were 85 years of age and older.

There are 455 less females than males in Sumner County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.99% females and 51.01% males in Sumner County, KS.
The Sumner County, KS gender ratio is 104.1:100 i.e. 104.1 men to 100 women (1.041).
For male population, the largest age group is 55-59 years with a population of 994.
For the female population, the largest age group is 60-64 years with a population of 854.

Sumner County's population has become increasingly diverse:

Racial distribution of Sumner County population: 91.99% are White, 0.82% are Black or African American, 2.13% are American Indian and Alaska Native, 0.60% are Asian, 0.94% are some other race and 3.52% are multiracial.
Sumner County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,285 is Hispanic or Latino (of any race), and 21,318 (94.31% of the total population) is Non-Hispanic.
The largest racial group in Sumner County is White with a population of 20,793 (91.99% of the total population).

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

The peak population was 25,932 in the year 2000
From 2000 to 2010, Sumner County's population decreased by 1,813 (6.99%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sumner County's population decreased by 1,777 (7.37%), 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, Sumner County's population was lowest in year 2020 at 22,342.