Gregory County, SD Population

Overview

4,004

Total Population

45.1

Median age

47.68%

Female population %

109.7:100

Gender ratio (M:F)

60-64 years

Largest age group

78.4

Total dependency ratio

White

Largest racial group

66

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Gregory County is 45.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Gregory County's population under 18 was 24.20%, compared to the 22.51% nationwide.
Gregory County's elderly or the senior population (over 65 age) was 24.63% as compared to 16.04% nationwide.
Of the total population in Gregory County, 19.31% were under the age of 15, 15.88% aged 15 to 29, 40.18% aged 30 to 64, 21.35% aged 65 to 84, and 3.27% were 85 years of age and older.

There are 186 less females than males in Gregory County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.68% females and 52.32% males in Gregory County, SD.
The Gregory County, SD gender ratio is 109.7:100 i.e. 109.7 men to 100 women (1.097).
For male population, the largest age group is 15-19 years with a population of 177.
For the female population, the largest age group is 60-64 years with a population of 155.

Gregory County's population has become increasingly diverse:

Racial distribution of Gregory County population: 88.06% are White, 1.25% are Black or African American, 7.07% are American Indian and Alaska Native, 0.25% are Native Hawaiian and other Pacific Islander and 3.37% are multiracial.
Gregory County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 66 is Hispanic or Latino (of any race), and 3,938 (98.35% of the total population) is Non-Hispanic.
The largest racial group in Gregory County is White with a population of 3,526 (88.06% of the total population).

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

The peak population was 4,744 in the year 2000
From 2000 to 2010, Gregory County's population decreased by 474 (9.99%), as compared to the national growth of 9.63%.
From 2010 to 2020, Gregory County's population decreased by 273 (6.39%), 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, Gregory County's population was lowest in year 2021 at 3,952.