Overview
2,029
Total Population
44.7
Median age
47.71%
Female population %
109.6:100
Gender ratio (M:F)
5-9 years
Largest age group
84.5
Total dependency ratio
White
Largest racial group
116
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Seneca's population is old compared to the rest of the country:
- The median age in Seneca is 44.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Seneca's population under 18 was 23.36%, compared to the 22.51% nationwide.
- Seneca's elderly or the senior population (over 65 age) was 25.58% as compared to 16.04% nationwide.
- Of the total population in Seneca, 20.21% were under the age of 15, 14.69% aged 15 to 29, 39.53% aged 30 to 64, 18.28% aged 65 to 84, and 7.29% were 85 years of age and older.
Read more about Seneca, KS population by age ➔
Gender
There are 93 less females than males in Seneca:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.71% females and 52.29% males in Seneca, KS.
- The Seneca, KS gender ratio is 109.6:100 i.e. 109.6 men to 100 women (1.096).
- For male population, the largest age group is 10-14 years with a population of 111.
- For the female population, the largest age group is 85+ years with a population of 101.
Read more about Seneca, KS population by gender ➔
Race / Ethnicity
Seneca's population has become increasingly diverse:
- Racial distribution of Seneca population: 96.45% are White, 0.74% are Black or African American, 0.15% are American Indian and Alaska Native, 1.18% are some other race and 1.48% are multiracial.
- Seneca's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 116 is Hispanic or Latino (of any race), and 1,913 (94.28% of the total population) is Non-Hispanic.
- The largest racial group in Seneca is White with a population of 1,957 (96.45% of the total population).
Read more about Seneca, KS population by race ➔
Year by year
Seneca's population has already reached its peak and is showing a trend of decline:
- The peak population was 2,228 in the year 2000
- From 2000 to 2010, Seneca's population decreased by 226 (10.14%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Seneca's population increased by 141 (7.04%), 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, Seneca's population was lowest in year 2012 at 1,987.
Read more about Seneca, 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)