Gregory County, SD — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
3,993
Male
2,042
51.1%
Female
1,951
48.9%
Median Age
45.7 yrs
Avg Household Size
2.4
Foreign Born
0.5%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher14.5%
High School or Higher42.3%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.2%
Disability
0.0%
Non-English Home
6.0%
Married
45.5%
Gregory County, SD has a population of 3,993 according to 2023 Census Bureau estimates. The median age is 45.7 years. The largest racial or ethnic group is White at 87.4% of the population. 14.5% of residents hold a bachelor's degree or higher. 0.5% of residents are foreign-born.