Kittitas County, WA population age distributions
A complete breakdown of Kittitas 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 | 1,901 | 4.28% |
| 5 to 9 years | 2,229 | 5.02% |
| 10 to 14 years | 2,313 | 5.21% |
| 15 to 19 years | 4,388 | 9.88% |
| 20 to 24 years | 5,287 | 11.9% |
| 25 to 29 years | 2,893 | 6.51% |
| 30 to 34 years | 2,564 | 5.77% |
| 35 to 39 years | 2,484 | 5.59% |
| 40 to 44 years | 2,320 | 5.22% |
| 45 to 49 years | 2,260 | 5.09% |
| 50 to 54 years | 2,390 | 5.38% |
| 55 to 59 years | 2,665 | 6% |
| 60 to 64 years | 3,266 | 7.35% |
| 65 to 69 years | 2,641 | 5.94% |
| 70 to 74 years | 1,985 | 4.47% |
| 75 to 79 years | 1,479 | 3.33% |
| 80 to 84 years | 845 | 1.9% |
| 85 years and over | 514 | 1.16% |
TABLE OF CONTENTS
Kittitas County, WA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Kittitas County, WA population by age group.
The largest age group is 20 to 24 years with a population of 5,287 (11.90% of the total population).
The largest age group in Kittitas County, WA was for the group of age 20 to 24 years with a population of 5,287 (11.90%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Kittitas County, WA was the 85 years and over with a population of 514 (1.16%).
Kittitas County, WA population by age cohort
To better understand the age distribution of Kittitas 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
Kittitas County, WA population by age cohort
The largest age group was 18 to 64 years with a population of 29,245 (65.83% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Kittitas County 's population under 18 was 17.37%, compared to the 22.11% nationwide.
- Kittitas County's working population (between 18 and 64) was 65.83%, compared to 61.36% nationwide.
- Kittitas County's elderly or the senior population (over 65 age) was 16.80% as compared to 16.53% nationwide.
Kittitas County, WA population pyramid
Population pyramid for Kittitas 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 Kittitas County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Kittitas County, WA, is 21.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Kittitas County, WA, is 24.5.
- Total dependency ratio for Kittitas County, WA is 45.6.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Kittitas County, WA is 4.1.
FIGURE 3
Kittitas County, WA population pyramid
Kittitas County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Kittitas County, WA population pyramid
Here's the Kittitas County, WA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 919 | 982 | 1,901 |
| 5 to 9 years | 1,180 | 1,049 | 2,229 |
| 10 to 14 years | 1,156 | 1,157 | 2,313 |
| 15 to 19 years | 2,195 | 2,193 | 4,388 |
| 20 to 24 years | 2,523 | 2,764 | 5,287 |
| 25 to 29 years | 1,676 | 1,217 | 2,893 |
| 30 to 34 years | 1,406 | 1,158 | 2,564 |
| 35 to 39 years | 1,261 | 1,223 | 2,484 |
| 40 to 44 years | 1,217 | 1,103 | 2,320 |
| 45 to 49 years | 1,216 | 1,044 | 2,260 |
| 50 to 54 years | 1,169 | 1,221 | 2,390 |
| 55 to 59 years | 1,198 | 1,467 | 2,665 |
| 60 to 64 years | 1,628 | 1,638 | 3,266 |
| 65 to 69 years | 1,359 | 1,282 | 2,641 |
| 70 to 74 years | 944 | 1,041 | 1,985 |
| 75 to 79 years | 688 | 791 | 1,479 |
| 80 to 84 years | 417 | 428 | 845 |
| 85 years and over | 233 | 281 | 514 |
Things to know
What is the population of Kittitas County, WA under 18?
Kittitas County's population under the age of 18 is 7,715, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 17.37% of the total resident population of Kittitas County, WA.
What is the aging population in Kittitas County, WA?
Kittitas County's population aged 65 years and above was 7,464. As per the U.S. Census Bureau's American Community Survey, this population is 16.80% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates