Mills County, IA Population

Overview

14,658

Total Population

42.4

Median age

49.99%

Female population %

1:100

Gender ratio (M:F)

5-9 years

Largest age group

60.8

Total dependency ratio

White

Largest racial group

518

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Mills County is 42.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Mills County's population under 18 was 23.58%, compared to the 22.51% nationwide.
Mills County's elderly or the senior population (over 65 age) was 18.80% as compared to 16.04% nationwide.
Of the total population in Mills County, 19.00% were under the age of 15, 16.62% aged 15 to 29, 45.58% aged 30 to 64, 16.31% aged 65 to 84, and 2.49% were 85 years of age and older.

There are 2 less females than males in Mills County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.99% females and 50.01% males in Mills County, IA.
The Mills County, IA gender ratio is 1:100 i.e. 1 men to 100 women (1.000).
For male population, the largest age group is 60-64 years with a population of 615.
For the female population, the largest age group is 5-9 years with a population of 589.

Mills County's population has become increasingly diverse:

Racial distribution of Mills County population: 96.48% are White, 0.33% are Black or African American, 0.29% are American Indian and Alaska Native, 0.31% are Asian, 0.57% are some other race and 2.01% are multiracial.
Mills County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 518 is Hispanic or Latino (of any race), and 14,14 (96.47% of the total population) is Non-Hispanic.
The largest racial group in Mills County is White with a population of 14,142 (96.48% of the total population).

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

The peak population was 15,258 in the year 2007
From 2000 to 2010, Mills County's population increased by 511 (3.51%), as compared to the national growth of 9.63%.
From 2010 to 2020, Mills County's population decreased by 677 (4.49%), 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, Mills County's population was lowest in year 2020 at 14,399.