Decatur City, IA Population

The population of Decatur City is 200, according to the U.S. Census Bureau ACS estimates.
Neilsberg Research Avatar
Updated Jun 23, 2023
Overview
200
Total Population
31.0
Median age
54.50%
Female population %
83.5:100
Gender ratio (M:F)
20-24 years
Largest age group
56.2
Total dependency ratio
White
Largest racial group
3
Hispanic population

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

Age

Decatur City's population is young compared to the rest of the country:

  • The median age in Decatur City is 31.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • Decatur City's population under 18 was 24.00%, compared to the 22.51% nationwide.
  • Decatur City's elderly or the senior population (over 65 age) was 12.50% as compared to 16.04% nationwide.
  • Of the total population in Decatur City, 23.50% were under the age of 15, 26.50% aged 15 to 29, 37.50% aged 30 to 64, 12.50% aged 65 to 84, and 0.00% were 85 years of age and older.
The graph shows Decatur City'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
Decatur City, IA population by age group. The largest age group was 20-24 years with a poulation of 45 (22.50% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Decatur City, IA population by age ➔

Gender

There are 18 more females than males in Decatur City:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 54.50% females and 45.50% males in Decatur City, IA.
  • The Decatur City, IA gender ratio is 83.5:100 i.e. 83.5 men to 100 women (0.835).
  • For male population, the largest age group is 20-24 years with a population of 22.
  • For the female population, the largest age group is 20-24 years with a population of 23.
The grouped bar chart shows Decatur City, 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 # 20-24 years (22) | Female # 20-24 years (23). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Decatur City, IA population by gender ➔

Race / Ethnicity

Decatur City's population is moderately diverse:

  • Racial distribution of Decatur City population: 91.50% are White, 1.50% are some other race and 7% are multiracial.
  • Decatur City's racial breakdown clearly shows that there is an absolute majority of White population in the city.
  • By ethnicity, 3 is Hispanic or Latino (of any race), and 197 (98.50% of the total population) is Non-Hispanic.
  • The largest racial group in Decatur City is White with a population of 183 (91.50% of the total population).
The bar chart shows Decatur City, 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.
Decatur City, IA population by race. The largest racial group in Decatur City is White with a population of 183 (91.50% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Decatur City, IA population by race ➔

Year by year

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

  • The peak population was 199 in the year 2001
  • From 2000 to 2010, Decatur City's population decreased by 2 (1.01%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, Decatur City's population decreased by 20 (10.20%), 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, Decatur City's population was lowest in year 2020 at 176.
The graph shows Decatur City's population from 2000 to 2022, with years on x-axis and population on y-axis
Decatur City's population from 2000 to 2022. The estimated population at the end of 2022 was 178. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Decatur City, IA population by year ➔

References

Explore related topics

Decatur City, IA Demographics

About the author

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

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.