Des Moines County, IA Population

Overview

39,069

Total Population

42.7

Median age

51.23%

Female population %

95.2:100

Gender ratio (M:F)

60-64 years

Largest age group

64.7

Total dependency ratio

White

Largest racial group

1,377

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Des Moines County is 42.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Des Moines County's population under 18 was 22.80%, compared to the 22.51% nationwide.
Des Moines County's elderly or the senior population (over 65 age) was 20.65% as compared to 16.04% nationwide.
Of the total population in Des Moines County, 18.62% were under the age of 15, 17.20% aged 15 to 29, 43.53% aged 30 to 64, 17.19% aged 65 to 84, and 3.46% were 85 years of age and older.

There are 959 more females than males in Des Moines County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.23% females and 48.77% males in Des Moines County, IA.
The Des Moines County, IA gender ratio is 95.2:100 i.e. 95.2 men to 100 women (0.952).
For male population, the largest age group is 5-9 years with a population of 1,467.
For the female population, the largest age group is 55-59 years with a population of 1,520.

Des Moines County's population has become increasingly diverse:

Racial distribution of Des Moines County population: 88.93% are White, 5.97% are Black or African American, 0.12% are American Indian and Alaska Native, 1.09% are Asian, 0% are Native Hawaiian and other Pacific Islander, 0.47% are some other race and 3.42% are multiracial.
Des Moines County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,377 is Hispanic or Latino (of any race), and 37,692 (96.48% of the total population) is Non-Hispanic.
The largest racial group in Des Moines County is White with a population of 34,743 (88.93% of the total population).

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

The peak population was 42,284 in the year 2000
From 2000 to 2010, Des Moines County's population decreased by 2,041 (4.83%), as compared to the national growth of 9.63%.
From 2010 to 2020, Des Moines County's population decreased by 1,427 (3.55%), 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, Des Moines County's population was lowest in year 2022 at 38,293.