Ottumwa, IA population age distribution
A complete breakdown of Ottumwa's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 1,728 | 6.81% |
| 5 to 9 years | 1,405 | 5.54% |
| 10 to 14 years | 1,797 | 7.09% |
| 15 to 19 years | 1,861 | 7.34% |
| 20 to 24 years | 1,598 | 6.3% |
| 25 to 29 years | 1,894 | 7.47% |
| 30 to 34 years | 1,916 | 7.56% |
| 35 to 39 years | 1,487 | 5.86% |
| 40 to 44 years | 1,205 | 4.75% |
| 45 to 49 years | 1,710 | 6.74% |
| 50 to 54 years | 1,664 | 6.56% |
| 55 to 59 years | 1,280 | 5.05% |
| 60 to 64 years | 1,971 | 7.77% |
| 65 to 69 years | 1,116 | 4.4% |
| 70 to 74 years | 1,047 | 4.13% |
| 75 to 79 years | 633 | 2.5% |
| 80 to 84 years | 364 | 1.44% |
| 85 years and over | 683 | 2.69% |
TABLE OF CONTENTS
Ottumwa, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Ottumwa, IA population by age group.
The largest age group is 60 to 64 years with a population of 1,971 (7.77% of the total population).
The largest age group in Ottumwa, IA was for the group of age 60 to 64 years with a population of 1,971 (7.77%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Ottumwa, IA was the 80 to 84 years with a population of 364 (1.44%).
Ottumwa, IA population by age cohort
To better understand the age distribution of Ottumwa, IA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Ottumwa, IA population by age cohort
The largest age group was 18 to 64 years with a population of 15,490 (61.08% of the total population).
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 6,026 | 23.76% |
| 18 to 64 years | 15,490 | 61.08% |
| 65 years and over | 3,843 | 15.15% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Ottumwa 's population under 18 was 23.76%, compared to the 22.11% nationwide.
- Ottumwa's working population (between 18 and 64) was 61.08%, compared to 61.36% nationwide.
- Ottumwa's elderly or the senior population (over 65 age) was 15.15% as compared to 16.53% nationwide.
Ottumwa, IA population pyramid
Population pyramid for Ottumwa, IA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Ottumwa's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Ottumwa, IA, is 29.7.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ottumwa, IA, is 23.2.
- Total dependency ratio for Ottumwa, IA is 52.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Ottumwa, IA is 4.3.
FIGURE 3
Ottumwa, IA population pyramid
Ottumwa population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Here's the Ottumwa, IA's male and female population across different age groups:
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 880 | 848 | 1,728 |
| 5 to 9 years | 920 | 485 | 1,405 |
| 10 to 14 years | 870 | 927 | 1,797 |
| 15 to 19 years | 1,101 | 760 | 1,861 |
| 20 to 24 years | 705 | 893 | 1,598 |
| 25 to 29 years | 1,028 | 866 | 1,894 |
| 30 to 34 years | 1,098 | 818 | 1,916 |
| 35 to 39 years | 662 | 825 | 1,487 |
| 40 to 44 years | 602 | 603 | 1,205 |
| 45 to 49 years | 907 | 803 | 1,710 |
| 50 to 54 years | 782 | 882 | 1,664 |
| 55 to 59 years | 587 | 693 | 1,280 |
| 60 to 64 years | 1,150 | 821 | 1,971 |
| 65 to 69 years | 389 | 727 | 1,116 |
| 70 to 74 years | 559 | 488 | 1,047 |
| 75 to 79 years | 231 | 402 | 633 |
| 80 to 84 years | 133 | 231 | 364 |
| 85 years and over | 240 | 443 | 683 |
Things to know
What is the population of Ottumwa, IA under 18?
Ottumwa's population under the age of 18 is 6,026, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.76% of the total resident population of Ottumwa, IA.
What is the aging population in Ottumwa, IA?
Ottumwa's population aged 65 years and above was 3,843. As per the U.S. Census Bureau's American Community Survey, this population is 15.15% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates