Aurora County, SD Population

Overview

2,649

Total Population

38.1

Median age

46.21%

Female population %

116.4:100

Gender ratio (M:F)

55-59 years

Largest age group

63.3

Total dependency ratio

White

Largest racial group

159

Hispanic population

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

TABLE OF CONTENTS

Age

Aurora County's population is young compared to the rest of the country:

The median age in Aurora County is 38.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Aurora County's population under 18 was 27.94%, compared to the 22.51% nationwide.
Aurora County's elderly or the senior population (over 65 age) was 16.80% as compared to 16.04% nationwide.
Of the total population in Aurora County, 21.97% were under the age of 15, 18.20% aged 15 to 29, 43.04% aged 30 to 64, 13.59% aged 65 to 84, and 3.21% were 85 years of age and older.

There are 201 less females than males in Aurora County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.21% females and 53.79% males in Aurora County, SD.
The Aurora County, SD gender ratio is 116.4:100 i.e. 116.4 men to 100 women (1.164).
For male population, the largest age group is 55-59 years with a population of 135.
For the female population, the largest age group is 0-4 years with a population of 124.

Aurora County's population has become increasingly diverse:

Racial distribution of Aurora County population: 94.34% are White, 1.06% are Black or African American, 2.49% are American Indian and Alaska Native, 0.11% are Asian, 0.87% are some other race and 1.13% are multiracial.
Aurora County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 159 is Hispanic or Latino (of any race), and 2,49 (94% of the total population) is Non-Hispanic.
The largest racial group in Aurora County is White with a population of 2,499 (94.34% of the total population).

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

The peak population was 3,047 in the year 2000
From 2000 to 2010, Aurora County's population decreased by 346 (11.36%), as compared to the national growth of 9.63%.
From 2010 to 2020, Aurora County's population increased by 32 (1.18%), 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, Aurora County's population was lowest in year 2010 at 2,701.