Overview
22,223
Total Population
30.2
Median age
47.43%
Female population %
110.8:100
Gender ratio (M:F)
5-9 years
Largest age group
57.0
Total dependency ratio
White
Largest racial group
14,016
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Seward County's population is young compared to the rest of the country:
- The median age in Seward County is 30.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Seward County's population under 18 was 31.43%, compared to the 22.51% nationwide.
- Seward County's elderly or the senior population (over 65 age) was 9.87% as compared to 16.04% nationwide.
- Of the total population in Seward County, 26.45% were under the age of 15, 23.09% aged 15 to 29, 40.59% aged 30 to 64, 8.02% aged 65 to 84, and 1.85% were 85 years of age and older.

Read more about Seward County, KS population by age ➔
Gender
There are 1,141 less females than males in Seward County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.43% females and 52.57% males in Seward County, KS.
- The Seward County, KS gender ratio is 110.8:100 i.e. 110.8 men to 100 women (1.108).
- For male population, the largest age group is 5-9 years with a population of 1,160.
- For the female population, the largest age group is 15-19 years with a population of 927.

Read more about Seward County, KS population by gender ➔
Race / Ethnicity
Seward County's population has become increasingly diverse:
- Racial distribution of Seward County population: 52.86% are White, 2.67% are Black or African American, 1.15% are American Indian and Alaska Native, 2.45% are Asian, 0.16% are Native Hawaiian and other Pacific Islander, 23.82% are some other race and 16.89% are multiracial.
- Seward County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 14,016 is Hispanic or Latino (of any race), and 8,207 (36.93% of the total population) is Non-Hispanic.
- The largest racial group in Seward County is White with a population of 11,748 (52.86% of the total population).

Read more about Seward County, KS population by race ➔
Year by year
Seward County's population has already reached its peak and is showing a trend of decline:
- The peak population was 23,358 in the year 2012
- From 2000 to 2010, Seward County's population increased by 338 (1.49%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Seward County's population decreased by 1,118 (4.87%), 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, Seward County's population was lowest in year 2022 at 21,358.

Read more about Seward County, KS population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)