Clackamas County, OR population age distributions
A complete breakdown of Clackamas 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 | 20,832 | 4.93% |
| 5 to 9 years | 25,790 | 6.11% |
| 10 to 14 years | 25,742 | 6.1% |
| 15 to 19 years | 25,285 | 5.99% |
| 20 to 24 years | 21,870 | 5.18% |
| 25 to 29 years | 24,362 | 5.77% |
| 30 to 34 years | 26,638 | 6.31% |
| 35 to 39 years | 28,644 | 6.78% |
| 40 to 44 years | 30,133 | 7.14% |
| 45 to 49 years | 27,599 | 6.54% |
| 50 to 54 years | 27,746 | 6.57% |
| 55 to 59 years | 27,146 | 6.43% |
| 60 to 64 years | 28,838 | 6.83% |
| 65 to 69 years | 27,016 | 6.4% |
| 70 to 74 years | 22,272 | 5.27% |
| 75 to 79 years | 14,478 | 3.43% |
| 80 to 84 years | 8,513 | 2.02% |
| 85 years and over | 9,404 | 2.23% |
TABLE OF CONTENTS
Clackamas County, OR population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
Clackamas County, OR population by age group.
The largest age group is 40 to 44 years with a population of 30,133 (7.14% of the total population).
The largest age group in Clackamas County, OR was for the group of age 40 to 44 years with a population of 30,133 (7.14%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in Clackamas County, OR was the 80 to 84 years with a population of 8,513 (2.02%).
Clackamas County, OR population by age cohort
To better understand the age distribution of Clackamas County, 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
FIGURE 2
Clackamas County, OR population by age cohort
The largest age group was 18 to 64 years with a population of 251,611 (59.58% of the total population).
Clackamas County, OR population by age cohort
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 89,014 | 21.08% |
| 18 to 64 years | 251,611 | 59.58% |
| 65 years and over | 81,683 | 19.34% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Clackamas County 's population under 18 was 21.08%, compared to the 22.16% nationwide.
- Clackamas County's working population (between 18 and 64) was 59.58%, compared to 61% nationwide.
- Clackamas County's elderly or the senior population (over 65 age) was 19.34% as compared to 16.84% nationwide.
Clackamas County, OR population pyramid
Population pyramid for Clackamas County, 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 Clackamas County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Clackamas County, OR, is 27.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Clackamas County, OR, is 30.4.
- Total dependency ratio for Clackamas County, OR is 57.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Clackamas County, OR is 3.3.
FIGURE 3
Clackamas County, OR population pyramid
Clackamas County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Clackamas County, OR population pyramid
Here's the Clackamas County, OR's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 10,591 | 10,241 | 20,832 |
| 5 to 9 years | 13,740 | 12,050 | 25,790 |
| 10 to 14 years | 12,814 | 12,928 | 25,742 |
| 15 to 19 years | 12,969 | 12,316 | 25,285 |
| 20 to 24 years | 11,439 | 10,431 | 21,870 |
| 25 to 29 years | 12,406 | 11,956 | 24,362 |
| 30 to 34 years | 13,378 | 13,260 | 26,638 |
| 35 to 39 years | 14,312 | 14,332 | 28,644 |
| 40 to 44 years | 15,041 | 15,092 | 30,133 |
| 45 to 49 years | 13,871 | 13,728 | 27,599 |
| 50 to 54 years | 14,021 | 13,725 | 27,746 |
| 55 to 59 years | 13,676 | 13,470 | 27,146 |
| 60 to 64 years | 13,883 | 14,955 | 28,838 |
| 65 to 69 years | 13,188 | 13,828 | 27,016 |
| 70 to 74 years | 10,214 | 12,058 | 22,272 |
| 75 to 79 years | 6,845 | 7,633 | 14,478 |
| 80 to 84 years | 3,719 | 4,794 | 8,513 |
| 85 years and over | 3,455 | 5,949 | 9,404 |
Things to know
What is the population of Clackamas County, OR under 18?
Clackamas County's population under the age of 18 is 89,014, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.08% of the total resident population of Clackamas County, OR.
What is the aging population in Clackamas County, OR?
Clackamas County's population aged 65 years and above was 81,683. As per the U.S. Census Bureau's American Community Survey, this population is 19.34% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates