Yankton County, SD Population

Overview

23,213

Total Population

41.6

Median age

47.61%

Female population %

110.1:100

Gender ratio (M:F)

60-64 years

Largest age group

57.7

Total dependency ratio

White

Largest racial group

1,215

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Yankton County is 41.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Yankton County's population under 18 was 21.35%, compared to the 22.51% nationwide.
Yankton County's elderly or the senior population (over 65 age) was 18.97% as compared to 16.04% nationwide.
Of the total population in Yankton County, 17.60% were under the age of 15, 18.24% aged 15 to 29, 45.19% aged 30 to 64, 16.50% aged 65 to 84, and 2.47% were 85 years of age and older.

There are 1,111 less females than males in Yankton County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.61% females and 52.39% males in Yankton County, SD.
The Yankton County, SD gender ratio is 110.1:100 i.e. 110.1 men to 100 women (1.101).
For male population, the largest age group is 45-49 years with a population of 867.
For the female population, the largest age group is 60-64 years with a population of 878.

Yankton County's population has become increasingly diverse:

Racial distribution of Yankton County population: 89.52% are White, 1.41% are Black or African American, 3.59% are American Indian and Alaska Native, 0.20% are Asian, 0.28% are some other race and 4.99% are multiracial.
Yankton County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,215 is Hispanic or Latino (of any race), and 21,998 (94.77% of the total population) is Non-Hispanic.
The largest racial group in Yankton County is White with a population of 20,781 (89.52% of the total population).

Yankton County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 23,373 in the year 2022
From 2000 to 2010, Yankton County's population increased by 818 (3.78%), as compared to the national growth of 9.63%.
From 2010 to 2020, Yankton County's population increased by 846 (3.77%), 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, Yankton County's population was lowest in year 2001 at 21,506.