Onawa, IA population age distributions
A complete breakdown of Onawa'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 | 157 | 5.46% |
| 5 to 9 years | 172 | 5.98% |
| 10 to 14 years | 176 | 6.12% |
| 15 to 19 years | 270 | 9.39% |
| 20 to 24 years | 134 | 4.66% |
| 25 to 29 years | 197 | 6.85% |
| 30 to 34 years | 188 | 6.54% |
| 35 to 39 years | 276 | 9.6% |
| 40 to 44 years | 70 | 2.43% |
| 45 to 49 years | 195 | 6.78% |
| 50 to 54 years | 138 | 4.8% |
| 55 to 59 years | 138 | 4.8% |
| 60 to 64 years | 167 | 5.81% |
| 65 to 69 years | 141 | 4.9% |
| 70 to 74 years | 55 | 1.91% |
| 75 to 79 years | 128 | 4.45% |
| 80 to 84 years | 116 | 4.03% |
| 85 years and over | 158 | 5.49% |
TABLE OF CONTENTS
Onawa, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Onawa, IA population by age group.
The largest age group is 35 to 39 years with a population of 276 (9.60% of the total population).
The largest age group in Onawa, IA was for the group of age 35 to 39 years with a population of 276 (9.60%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Onawa, IA was the 70 to 74 years with a population of 55 (1.91%).
Onawa, IA population by age cohort
To better understand the age distribution of Onawa, 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
Onawa, IA population by age cohort
The largest age group was 18 to 64 years with a population of 1,621 (56.36% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Onawa 's population under 18 was 22.84%, compared to the 22.11% nationwide.
- Onawa's working population (between 18 and 64) was 56.36%, compared to 61.36% nationwide.
- Onawa's elderly or the senior population (over 65 age) was 20.79% as compared to 16.53% nationwide.
Onawa, IA population pyramid
Population pyramid for Onawa, 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 Onawa's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Onawa, IA, is 28.5.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Onawa, IA, is 33.7.
- Total dependency ratio for Onawa, IA is 62.2.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Onawa, IA is 3.0.
FIGURE 3
Onawa, IA population pyramid
Onawa population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Onawa, IA population pyramid
Here's the Onawa, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 71 | 86 | 157 |
| 5 to 9 years | 61 | 111 | 172 |
| 10 to 14 years | 71 | 105 | 176 |
| 15 to 19 years | 147 | 123 | 270 |
| 20 to 24 years | 104 | 30 | 134 |
| 25 to 29 years | 88 | 109 | 197 |
| 30 to 34 years | 134 | 54 | 188 |
| 35 to 39 years | 142 | 134 | 276 |
| 40 to 44 years | 41 | 29 | 70 |
| 45 to 49 years | 107 | 88 | 195 |
| 50 to 54 years | 62 | 76 | 138 |
| 55 to 59 years | 64 | 74 | 138 |
| 60 to 64 years | 80 | 87 | 167 |
| 65 to 69 years | 62 | 79 | 141 |
| 70 to 74 years | 29 | 26 | 55 |
| 75 to 79 years | 37 | 91 | 128 |
| 80 to 84 years | 65 | 51 | 116 |
| 85 years and over | 39 | 119 | 158 |
Things to know
What is the population of Onawa, IA under 18?
Onawa's population under the age of 18 is 657, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.84% of the total resident population of Onawa, IA.
What is the aging population in Onawa, IA?
Onawa's population aged 65 years and above was 598. As per the U.S. Census Bureau's American Community Survey, this population is 20.79% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates