Island County, WA population age distributions
A complete breakdown of Island County'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 | 4,460 | 5.16% |
| 5 to 9 years | 3,863 | 4.47% |
| 10 to 14 years | 4,870 | 5.63% |
| 15 to 19 years | 3,967 | 4.59% |
| 20 to 24 years | 5,691 | 6.58% |
| 25 to 29 years | 6,187 | 7.15% |
| 30 to 34 years | 5,436 | 6.28% |
| 35 to 39 years | 5,311 | 6.14% |
| 40 to 44 years | 4,349 | 5.03% |
| 45 to 49 years | 3,901 | 4.51% |
| 50 to 54 years | 4,461 | 5.16% |
| 55 to 59 years | 5,360 | 6.2% |
| 60 to 64 years | 6,782 | 7.84% |
| 65 to 69 years | 6,977 | 8.06% |
| 70 to 74 years | 6,362 | 7.35% |
| 75 to 79 years | 3,961 | 4.58% |
| 80 to 84 years | 2,501 | 2.89% |
| 85 years and over | 2,071 | 2.39% |
TABLE OF CONTENTS
Island County, WA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Island County, WA population by age group.
The largest age group is 65 to 69 years with a population of 6,977 (8.06% of the total population).
The largest age group in Island County, WA was for the group of age 65 to 69 years with a population of 6,977 (8.06%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Island County, WA was the 85 years and over with a population of 2,071 (2.39%).
Island County, WA population by age cohort
To better understand the age distribution of Island County, WA'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
Island County, WA population by age cohort
The largest age group was 18 to 64 years with a population of 49,220 (56.90% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Island County 's population under 18 was 17.82%, compared to the 22.11% nationwide.
- Island County's working population (between 18 and 64) was 56.90%, compared to 61.36% nationwide.
- Island County's elderly or the senior population (over 65 age) was 25.28% as compared to 16.53% nationwide.
Island County, WA population pyramid
Population pyramid for Island County, WA 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 Island County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Island County, WA, is 25.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Island County, WA, is 42.5.
- Total dependency ratio for Island County, WA is 68.2.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Island County, WA is 2.4.
FIGURE 3
Island County, WA population pyramid
Island County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Island County, WA population pyramid
Here's the Island County, WA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 2,214 | 2,246 | 4,460 |
| 5 to 9 years | 2,020 | 1,843 | 3,863 |
| 10 to 14 years | 2,331 | 2,539 | 4,870 |
| 15 to 19 years | 2,055 | 1,912 | 3,967 |
| 20 to 24 years | 3,365 | 2,326 | 5,691 |
| 25 to 29 years | 3,389 | 2,798 | 6,187 |
| 30 to 34 years | 2,934 | 2,502 | 5,436 |
| 35 to 39 years | 2,385 | 2,926 | 5,311 |
| 40 to 44 years | 2,611 | 1,738 | 4,349 |
| 45 to 49 years | 1,953 | 1,948 | 3,901 |
| 50 to 54 years | 2,153 | 2,308 | 4,461 |
| 55 to 59 years | 2,762 | 2,598 | 5,360 |
| 60 to 64 years | 3,005 | 3,777 | 6,782 |
| 65 to 69 years | 3,283 | 3,694 | 6,977 |
| 70 to 74 years | 3,006 | 3,356 | 6,362 |
| 75 to 79 years | 1,885 | 2,076 | 3,961 |
| 80 to 84 years | 1,167 | 1,334 | 2,501 |
| 85 years and over | 891 | 1,180 | 2,071 |
Things to know
What is the population of Island County, WA under 18?
Island County's population under the age of 18 is 15,418, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 17.82% of the total resident population of Island County, WA.
What is the aging population in Island County, WA?
Island County's population aged 65 years and above was 21,872. As per the U.S. Census Bureau's American Community Survey, this population is 25.28% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates