Spokane County, WA population age distributions
A complete breakdown of Spokane 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 | 30,613 | 5.68% |
| 5 to 9 years | 32,790 | 6.09% |
| 10 to 14 years | 33,409 | 6.2% |
| 15 to 19 years | 34,219 | 6.35% |
| 20 to 24 years | 36,142 | 6.71% |
| 25 to 29 years | 40,163 | 7.46% |
| 30 to 34 years | 40,052 | 7.43% |
| 35 to 39 years | 36,330 | 6.74% |
| 40 to 44 years | 33,553 | 6.23% |
| 45 to 49 years | 31,180 | 5.79% |
| 50 to 54 years | 31,647 | 5.87% |
| 55 to 59 years | 32,649 | 6.06% |
| 60 to 64 years | 35,640 | 6.62% |
| 65 to 69 years | 28,438 | 5.28% |
| 70 to 74 years | 26,487 | 4.92% |
| 75 to 79 years | 15,062 | 2.8% |
| 80 to 84 years | 10,296 | 1.91% |
| 85 years and over | 10,041 | 1.86% |
TABLE OF CONTENTS
Spokane County, WA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Spokane County, WA population by age group.
The largest age group is 25 to 29 years with a population of 40,163 (7.46% of the total population).
The largest age group in Spokane County, WA was for the group of age 25 to 29 years with a population of 40,163 (7.46%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Spokane County, WA was the 85 years and over with a population of 10,041 (1.86%).
Spokane County, WA population by age cohort
To better understand the age distribution of Spokane 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
Spokane County, WA population by age cohort
The largest age group was 18 to 64 years with a population of 331,545 (61.54% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Spokane County 's population under 18 was 21.69%, compared to the 22.11% nationwide.
- Spokane County's working population (between 18 and 64) was 61.54%, compared to 61.36% nationwide.
- Spokane County's elderly or the senior population (over 65 age) was 16.77% as compared to 16.53% nationwide.
Spokane County, WA population pyramid
Population pyramid for Spokane 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 Spokane County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Spokane County, WA, is 27.5.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Spokane County, WA, is 25.7.
- Total dependency ratio for Spokane County, WA is 53.2.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Spokane County, WA is 3.9.
FIGURE 3
Spokane County, WA population pyramid
Spokane County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Spokane County, WA population pyramid
Here's the Spokane County, WA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 15,576 | 15,037 | 30,613 |
| 5 to 9 years | 17,153 | 15,637 | 32,790 |
| 10 to 14 years | 16,913 | 16,496 | 33,409 |
| 15 to 19 years | 17,550 | 16,669 | 34,219 |
| 20 to 24 years | 18,694 | 17,448 | 36,142 |
| 25 to 29 years | 20,801 | 19,362 | 40,163 |
| 30 to 34 years | 20,557 | 19,495 | 40,052 |
| 35 to 39 years | 17,668 | 18,662 | 36,330 |
| 40 to 44 years | 18,149 | 15,404 | 33,553 |
| 45 to 49 years | 15,975 | 15,205 | 31,180 |
| 50 to 54 years | 15,926 | 15,721 | 31,647 |
| 55 to 59 years | 15,699 | 16,950 | 32,649 |
| 60 to 64 years | 17,700 | 17,940 | 35,640 |
| 65 to 69 years | 13,552 | 14,886 | 28,438 |
| 70 to 74 years | 12,671 | 13,816 | 26,487 |
| 75 to 79 years | 6,770 | 8,292 | 15,062 |
| 80 to 84 years | 4,637 | 5,659 | 10,296 |
| 85 years and over | 3,385 | 6,656 | 10,041 |
Things to know
What is the population of Spokane County, WA under 18?
Spokane County's population under the age of 18 is 116,842, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.69% of the total resident population of Spokane County, WA.
What is the aging population in Spokane County, WA?
Spokane County's population aged 65 years and above was 90,324. As per the U.S. Census Bureau's American Community Survey, this population is 16.77% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates