Beaverton, OR population age distribution
A complete breakdown of Beaverton'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 | 5,307 | 5.44% |
5 to 9 years | 5,421 | 5.56% |
10 to 14 years | 5,355 | 5.49% |
15 to 19 years | 4,724 | 4.85% |
20 to 24 years | 6,529 | 6.7% |
25 to 29 years | 9,166 | 9.4% |
30 to 34 years | 9,342 | 9.58% |
35 to 39 years | 7,679 | 7.88% |
40 to 44 years | 6,545 | 6.72% |
45 to 49 years | 5,729 | 5.88% |
50 to 54 years | 5,907 | 6.06% |
55 to 59 years | 6,236 | 6.4% |
60 to 64 years | 5,733 | 5.88% |
65 to 69 years | 4,770 | 4.89% |
70 to 74 years | 3,783 | 3.88% |
75 to 79 years | 2,383 | 2.44% |
80 to 84 years | 1,497 | 1.54% |
85 years and over | 1,360 | 1.4% |
TABLE OF CONTENTS
Beaverton, OR population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Beaverton, OR was for the group of age 30-34 years with a population of 9,342 (9.58%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Beaverton, OR was the 85+ years with a population of 1,360 (1.40%).
Beaverton, OR population by age cohort
To better understand the age distribution of Beaverton, OR'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

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 19,009 | 19.5% |
18 to 64 years | 64,664 | 66.35% |
85 years and over | 13,793 | 14.15% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Beaverton's population under 18 was 19.50%, compared to the 22.51% nationwide.
- Beaverton's working population (between 18 and 64) was 66.35%, compared to 61.45% nationwide.
- Beaverton's elderly or the senior population (over 65 age) was 14.15% as compared to 16.04% nationwide.
Beaverton, OR population pyramid
Population pyramid for Beaverton, OR 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 Beaverton's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Beaverton, OR, is 23.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Beaverton, OR, is 20.4.
- Total dependency ratio for Beaverton, OR is 44.2.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Beaverton, OR is 4.9.

Here's the Beaverton, OR's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 2,476 | 2,831 | 5,307 |
5 to 9 years | 3,224 | 2,197 | 5,421 |
10 to 14 years | 3,011 | 2,344 | 5,355 |
15 to 19 years | 2,356 | 2,368 | 4,724 |
20 to 24 years | 3,246 | 3,283 | 6,529 |
25 to 29 years | 4,913 | 4,253 | 9,166 |
30 to 34 years | 4,808 | 4,534 | 9,342 |
35 to 39 years | 4,266 | 3,413 | 7,679 |
40 to 44 years | 3,746 | 2,799 | 6,545 |
45 to 49 years | 2,704 | 3,025 | 5,729 |
50 to 54 years | 2,669 | 3,238 | 5,907 |
55 to 59 years | 3,104 | 3,132 | 6,236 |
60 to 64 years | 2,801 | 2,932 | 5,733 |
65 to 69 years | 2,234 | 2,536 | 4,770 |
70 to 74 years | 1,685 | 2,098 | 3,783 |
75 to 79 years | 997 | 1,386 | 2,383 |
80 to 84 years | 513 | 984 | 1,497 |
85 years and over | 297 | 1,063 | 1,360 |
Things to know
What is the population of Beaverton, OR under 18?
Beaverton's population under the age of 18 is 19,009, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.50% of the total resident population of Beaverton, OR.
What is the aging population in Beaverton, OR?
Beaverton's population aged 65 years and above was 13,793. As per the U.S. Census Bureau's American Community Survey, this population is 14.15% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates