Isabel, SD Population

Overview

186

Total Population

38.1

Median age

53.23%

Female population %

87.9:100

Gender ratio (M:F)

35-39 years

Largest age group

45.3

Total dependency ratio

White

Largest racial group

Zero

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Isabel is 38.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Isabel's population under 18 was 22.04%, compared to the 22.51% nationwide.
Isabel's elderly or the senior population (over 65 age) was 13.98% as compared to 16.04% nationwide.
Of the total population in Isabel, 17.20% were under the age of 15, 13.98% aged 15 to 29, 54.84% aged 30 to 64, 11.83% aged 65 to 84, and 2.15% were 85 years of age and older.

There are 12 more females than males in Isabel:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.23% females and 46.77% males in Isabel, SD.
The Isabel, SD gender ratio is 87.9:100 i.e. 87.9 men to 100 women (0.879).
For male population, the largest age group is 35-39 years with a population of 22.
For the female population, the largest age group is 55-59 years with a population of 16.

Isabel's population is moderately diverse:

Racial distribution of Isabel population: 70.97% are White, 1.08% are Black or African American, 26.88% are American Indian and Alaska Native and 1.08% are multiracial.
Isabel's racial breakdown clearly shows that there is an absolute majority of White population in the town.
By ethnicity, Zero is Hispanic or Latino (of any race), and 186 (100% of the total population) is Non-Hispanic.
The largest racial group in Isabel is White with a population of 132 (70.97% of the total population).

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

The peak population was 239 in the year 2000
From 2000 to 2010, Isabel's population decreased by 103 (43.10%), as compared to the national growth of 9.63%.
From 2010 to 2020, Isabel's population increased by 9 (6.62%), 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, Isabel's population was lowest in year 2010 at 136.