Allen County, KS Population

Overview

12,557

Total Population

41.2

Median age

50.48%

Female population %

98.1:100

Gender ratio (M:F)

55-59 years

Largest age group

63.3

Total dependency ratio

White

Largest racial group

491

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Allen County is 41.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Allen County's population under 18 was 22.35%, compared to the 22.51% nationwide.
Allen County's elderly or the senior population (over 65 age) was 20.20% as compared to 16.04% nationwide.
Of the total population in Allen County, 18.56% were under the age of 15, 18.52% aged 15 to 29, 42.72% aged 30 to 64, 17.04% aged 65 to 84, and 3.15% were 85 years of age and older.

There are 121 more females than males in Allen County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.48% females and 49.52% males in Allen County, KS.
The Allen County, KS gender ratio is 98.1:100 i.e. 98.1 men to 100 women (0.981).
For male population, the largest age group is 5-9 years with a population of 539.
For the female population, the largest age group is 60-64 years with a population of 548.

Allen County's population has become increasingly diverse:

Racial distribution of Allen County population: 92.13% are White, 2.06% are Black or African American, 0.60% are American Indian and Alaska Native, 0.89% are Asian, 0.61% are Native Hawaiian and other Pacific Islander, 0.25% are some other race and 3.46% are multiracial.
Allen County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 491 is Hispanic or Latino (of any race), and 12,066 (96.09% of the total population) is Non-Hispanic.
The largest racial group in Allen County is White with a population of 11,569 (92.13% of the total population).

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

The peak population was 14,375 in the year 2000
From 2000 to 2010, Allen County's population decreased by 1,012 (7.04%), as compared to the national growth of 9.63%.
From 2010 to 2020, Allen County's population decreased by 831 (6.22%), 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, Allen County's population was lowest in year 2019 at 12,404.