Overview
25,379
Total Population
37.7
Median age
49.36%
Female population %
102.6:100
Gender ratio (M:F)
60-64 years
Largest age group
52.7
Total dependency ratio
White
Largest racial group
3,776
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Ottumwa's population is young compared to the rest of the country:
- The median age in Ottumwa is 37.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Ottumwa's population under 18 was 23.15%, compared to the 22.51% nationwide.
- Ottumwa's elderly or the senior population (over 65 age) was 15.57% as compared to 16.04% nationwide.
- Of the total population in Ottumwa, 18.95% were under the age of 15, 20.87% aged 15 to 29, 44.61% aged 30 to 64, 12.77% aged 65 to 84, and 2.80% were 85 years of age and older.
Read more about Ottumwa, IA population by age ➔
Gender
There are 323 less females than males in Ottumwa:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.36% females and 50.64% males in Ottumwa, IA.
- The Ottumwa, IA gender ratio is 102.6:100 i.e. 102.6 men to 100 women (1.026).
- For male population, the largest age group is 60-64 years with a population of 1,118.
- For the female population, the largest age group is 10-14 years with a population of 909.
Read more about Ottumwa, IA population by gender ➔
Race / Ethnicity
Ottumwa's population has become increasingly diverse:
- Racial distribution of Ottumwa population: 82.09% are White, 4.72% are Black or African American, 0.39% are American Indian and Alaska Native, 1.84% are Asian, 1.64% are Native Hawaiian and other Pacific Islander, 4.60% are some other race and 4.72% are multiracial.
- Ottumwa's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 3,776 is Hispanic or Latino (of any race), and 21,603 (85.12% of the total population) is Non-Hispanic.
- The largest racial group in Ottumwa is White with a population of 20,833 (82.09% of the total population).
Read more about Ottumwa, IA population by race ➔
Year by year
Ottumwa's population has already reached its peak and is showing a trend of decline:
- The peak population was 25,448 in the year 2020
- From 2000 to 2010, Ottumwa's population increased by 239 (0.96%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Ottumwa's population increased by 387 (1.54%), 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, Ottumwa's population was lowest in year 2008 at 24,293.
Read more about Ottumwa, IA population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)