Miller County, MO Population

Overview

24,643

Total Population

40.3

Median age

50.29%

Female population %

98.8:100

Gender ratio (M:F)

60-64 years

Largest age group

62.0

Total dependency ratio

White

Largest racial group

499

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Miller County is 40.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Miller County's population under 18 was 23.78%, compared to the 22.51% nationwide.
Miller County's elderly or the senior population (over 65 age) was 18.67% as compared to 16.04% nationwide.
Of the total population in Miller County, 19.60% were under the age of 15, 16.91% aged 15 to 29, 44.82% aged 30 to 64, 16.41% aged 65 to 84, and 2.26% were 85 years of age and older.

There are 145 more females than males in Miller County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.29% females and 49.71% males in Miller County, MO.
The Miller County, MO gender ratio is 98.8:100 i.e. 98.8 men to 100 women (0.988).
For male population, the largest age group is 10-14 years with a population of 1,026.
For the female population, the largest age group is 60-64 years with a population of 969.

Miller County's population has become increasingly diverse:

Racial distribution of Miller County population: 95.91% are White, 0.82% are Black or African American, 0.12% are American Indian and Alaska Native, 0.27% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 0.37% are some other race and 2.46% are multiracial.
Miller County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 499 is Hispanic or Latino (of any race), and 24,144 (97.98% of the total population) is Non-Hispanic.
The largest racial group in Miller County is White with a population of 23,634 (95.91% of the total population).

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

The peak population was 25,607 in the year 2019
From 2000 to 2010, Miller County's population increased by 1,079 (4.57%), as compared to the national growth of 9.63%.
From 2010 to 2020, Miller County's population increased by 69 (0.28%), 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, Miller County's population was lowest in year 2000 at 23,622.