Des Moines County, IA Population

The population of Des Moines County is 39,069, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
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

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.
The graph shows Des Moines County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Des Moines County, IA population by age group. The largest age group was 60-64 years with a poulation of 2,795 (7.15% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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Gender

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.
The grouped bar chart shows Des Moines County, IA population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 5-9 years (1,467) | Female # 55-59 years (1,520). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Des Moines County, IA population by gender ➔

Race / Ethnicity

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).
The bar chart shows Des Moines County, IA population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Des Moines County, IA population by race. The largest racial group in Des Moines County is White with a population of 34,743 (88.93% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Des Moines County, IA population by race ➔

Year by year

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.
The graph shows Des Moines County's population from 2000 to 2022, with years on x-axis and population on y-axis
Des Moines County's population from 2000 to 2022. The estimated population at the end of 2022 was 38,293. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Des Moines County, IA population by year ➔

References

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Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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