Eureka, SD Population

Overview

895

Total Population

58.3

Median age

55.87%

Female population %

79:100

Gender ratio (M:F)

85+ years

Largest age group

112.1

Total dependency ratio

White

Largest racial group

2

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Eureka is 58.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Eureka's population under 18 was 16.31%, compared to the 22.51% nationwide.
Eureka's elderly or the senior population (over 65 age) was 38.88% as compared to 16.04% nationwide.
Of the total population in Eureka, 13.97% were under the age of 15, 17.65% aged 15 to 29, 29.50% aged 30 to 64, 27.15% aged 65 to 84, and 11.73% were 85 years of age and older.

There are 105 more females than males in Eureka:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 55.87% females and 44.13% males in Eureka, SD.
The Eureka, SD gender ratio is 79:100 i.e. 79 men to 100 women (0.790).
For male population, the largest age group is 65-69 years with a population of 47.
For the female population, the largest age group is 85+ years with a population of 91.

Eureka's population has become increasingly diverse:

Racial distribution of Eureka population: 92.63% are White, 3.35% are Black or African American, 0.22% are American Indian and Alaska Native, 0.67% are Asian, 0.11% are Native Hawaiian and other Pacific Islander and 3.02% are multiracial.
Eureka's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 2 is Hispanic or Latino (of any race), and 893 (99.78% of the total population) is Non-Hispanic.
The largest racial group in Eureka is White with a population of 829 (92.63% of the total population).

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

The peak population was 1,094 in the year 2000
From 2000 to 2010, Eureka's population decreased by 230 (21.02%), as compared to the national growth of 9.63%.
From 2010 to 2020, Eureka's population decreased by 59 (6.83%), 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, Eureka's population was lowest in year 2022 at 794.