Yankton County, SD — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
23,379
Male
12,186
52.1%
Female
11,193
47.9%
Median Age
42.2 yrs
Avg Household Size
2.2
Foreign Born
3.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher19.3%
High School or Higher42.8%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.6%
Disability
0.0%
Non-English Home
5.1%
Married
41.5%
Yankton County, SD has a population of 23,379 according to 2023 Census Bureau estimates. The median age is 42.2 years. The largest racial or ethnic group is White at 88.7% of the population. 19.3% of residents hold a bachelor's degree or higher. 3.1% of residents are foreign-born.