Decorah, IA population age distributions
A complete breakdown of Decorah'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 | 339 | 4.45% |
| 5 to 9 years | 231 | 3.04% |
| 10 to 14 years | 301 | 3.95% |
| 15 to 19 years | 911 | 11.97% |
| 20 to 24 years | 1,329 | 17.46% |
| 25 to 29 years | 327 | 4.3% |
| 30 to 34 years | 386 | 5.07% |
| 35 to 39 years | 316 | 4.15% |
| 40 to 44 years | 367 | 4.82% |
| 45 to 49 years | 288 | 3.78% |
| 50 to 54 years | 364 | 4.78% |
| 55 to 59 years | 340 | 4.47% |
| 60 to 64 years | 291 | 3.82% |
| 65 to 69 years | 429 | 5.64% |
| 70 to 74 years | 529 | 6.95% |
| 75 to 79 years | 344 | 4.52% |
| 80 to 84 years | 249 | 3.27% |
| 85 years and over | 270 | 3.55% |
TABLE OF CONTENTS
Decorah, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Decorah, IA population by age group.
The largest age group is 20 to 24 years with a population of 1,329 (17.46% of the total population).
The largest age group in Decorah, IA was for the group of age 20 to 24 years with a population of 1,329 (17.46%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Decorah, IA was the 5 to 9 years with a population of 231 (3.04%).
Decorah, IA population by age cohort
To better understand the age distribution of Decorah, 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
Decorah, IA population by age cohort
The largest age group was 18 to 64 years with a population of 4,739 (62.27% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Decorah 's population under 18 was 13.81%, compared to the 22.11% nationwide.
- Decorah's working population (between 18 and 64) was 62.27%, compared to 61.36% nationwide.
- Decorah's elderly or the senior population (over 65 age) was 23.93% as compared to 16.53% nationwide.
Decorah, IA population pyramid
Population pyramid for Decorah, 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 Decorah's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Decorah, IA, is 17.7.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Decorah, IA, is 37.0.
- Total dependency ratio for Decorah, IA is 54.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Decorah, IA is 2.7.
FIGURE 3
Decorah, IA population pyramid
Decorah population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Decorah, IA population pyramid
Here's the Decorah, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 153 | 186 | 339 |
| 5 to 9 years | 120 | 111 | 231 |
| 10 to 14 years | 212 | 89 | 301 |
| 15 to 19 years | 370 | 541 | 911 |
| 20 to 24 years | 643 | 686 | 1,329 |
| 25 to 29 years | 166 | 161 | 327 |
| 30 to 34 years | 192 | 194 | 386 |
| 35 to 39 years | 178 | 138 | 316 |
| 40 to 44 years | 181 | 186 | 367 |
| 45 to 49 years | 173 | 115 | 288 |
| 50 to 54 years | 174 | 190 | 364 |
| 55 to 59 years | 133 | 207 | 340 |
| 60 to 64 years | 165 | 126 | 291 |
| 65 to 69 years | 205 | 224 | 429 |
| 70 to 74 years | 230 | 299 | 529 |
| 75 to 79 years | 188 | 156 | 344 |
| 80 to 84 years | 103 | 146 | 249 |
| 85 years and over | 72 | 198 | 270 |
Things to know
What is the population of Decorah, IA under 18?
Decorah's population under the age of 18 is 1,051, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 13.81% of the total resident population of Decorah, IA.
What is the aging population in Decorah, IA?
Decorah's population aged 65 years and above was 1,821. As per the U.S. Census Bureau's American Community Survey, this population is 23.93% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates