McCook County, SD Population

Overview

5,676

Total Population

39.3

Median age

48.36%

Female population %

106.8:100

Gender ratio (M:F)

10-14 years

Largest age group

72.0

Total dependency ratio

White

Largest racial group

235

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in McCook County is 39.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
McCook County's population under 18 was 27.92%, compared to the 22.51% nationwide.
McCook County's elderly or the senior population (over 65 age) was 18.27% as compared to 16.04% nationwide.
Of the total population in McCook County, 23.59% were under the age of 15, 15.64% aged 15 to 29, 42.49% aged 30 to 64, 15.03% aged 65 to 84, and 3.24% were 85 years of age and older.

There are 186 less females than males in McCook County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.36% females and 51.64% males in McCook County, SD.
The McCook County, SD gender ratio is 106.8:100 i.e. 106.8 men to 100 women (1.068).
For male population, the largest age group is 10-14 years with a population of 250.
For the female population, the largest age group is 10-14 years with a population of 215.

McCook County's population has become increasingly diverse:

Racial distribution of McCook County population: 95.63% are White, 0.25% are Black or African American, 0.35% are American Indian and Alaska Native, 1.25% are some other race and 2.52% are multiracial.
McCook County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 235 is Hispanic or Latino (of any race), and 5,441 (95.86% of the total population) is Non-Hispanic.
The largest racial group in McCook County is White with a population of 5,428 (95.63% of the total population).

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

The peak population was 5,864 in the year 2001
From 2000 to 2010, McCook County's population decreased by 233 (3.99%), as compared to the national growth of 9.63%.
From 2010 to 2020, McCook County's population increased by 64 (1.14%), 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, McCook County's population was lowest in year 2015 at 5,485.