Pima County, AZ population age distributions
A complete breakdown of Pima 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 | 52,285 | 4.98% |
| 5 to 9 years | 59,643 | 5.68% |
| 10 to 14 years | 59,323 | 5.65% |
| 15 to 19 years | 69,449 | 6.61% |
| 20 to 24 years | 88,847 | 8.46% |
| 25 to 29 years | 71,381 | 6.8% |
| 30 to 34 years | 64,538 | 6.15% |
| 35 to 39 years | 62,714 | 5.97% |
| 40 to 44 years | 59,205 | 5.64% |
| 45 to 49 years | 56,398 | 5.37% |
| 50 to 54 years | 56,610 | 5.39% |
| 55 to 59 years | 59,362 | 5.65% |
| 60 to 64 years | 68,118 | 6.49% |
| 65 to 69 years | 67,041 | 6.39% |
| 70 to 74 years | 58,790 | 5.6% |
| 75 to 79 years | 43,449 | 4.14% |
| 80 to 84 years | 27,728 | 2.64% |
| 85 years and over | 25,066 | 2.39% |
TABLE OF CONTENTS
Pima County, AZ population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
Pima County, AZ population by age group.
The largest age group is 20 to 24 years with a population of 88,847 (8.46% of the total population).
The largest age group in Pima County, AZ was for the group of age 20 to 24 years with a population of 88,847 (8.46%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in Pima County, AZ was the 85 years and over with a population of 25,066 (2.39%).
Pima County, AZ population by age cohort
To better understand the age distribution of Pima County, AZ'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
Pima County, AZ population by age cohort
The largest age group was 18 to 64 years with a population of 619,289 (58.98% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Pima County 's population under 18 was 19.87%, compared to the 22.16% nationwide.
- Pima County's working population (between 18 and 64) was 58.98%, compared to 61% nationwide.
- Pima County's elderly or the senior population (over 65 age) was 21.15% as compared to 16.84% nationwide.
Pima County, AZ population pyramid
Population pyramid for Pima County, AZ 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 Pima County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Pima County, AZ, is 26.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Pima County, AZ, is 33.8.
- Total dependency ratio for Pima County, AZ is 59.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Pima County, AZ is 3.0.
FIGURE 3
Pima County, AZ population pyramid
Pima County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Pima County, AZ population pyramid
Here's the Pima County, AZ's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 26,780 | 25,505 | 52,285 |
| 5 to 9 years | 29,884 | 29,759 | 59,643 |
| 10 to 14 years | 30,907 | 28,416 | 59,323 |
| 15 to 19 years | 35,309 | 34,140 | 69,449 |
| 20 to 24 years | 44,963 | 43,884 | 88,847 |
| 25 to 29 years | 37,101 | 34,280 | 71,381 |
| 30 to 34 years | 33,816 | 30,722 | 64,538 |
| 35 to 39 years | 32,084 | 30,630 | 62,714 |
| 40 to 44 years | 29,816 | 29,389 | 59,205 |
| 45 to 49 years | 28,031 | 28,367 | 56,398 |
| 50 to 54 years | 27,881 | 28,729 | 56,610 |
| 55 to 59 years | 29,309 | 30,053 | 59,362 |
| 60 to 64 years | 31,586 | 36,532 | 68,118 |
| 65 to 69 years | 30,895 | 36,146 | 67,041 |
| 70 to 74 years | 27,622 | 31,168 | 58,790 |
| 75 to 79 years | 20,316 | 23,133 | 43,449 |
| 80 to 84 years | 12,909 | 14,819 | 27,728 |
| 85 years and over | 9,789 | 15,277 | 25,066 |
Things to know
What is the population of Pima County, AZ under 18?
Pima County's population under the age of 18 is 208,584, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.87% of the total resident population of Pima County, AZ.
What is the aging population in Pima County, AZ?
Pima County's population aged 65 years and above was 222,074. As per the U.S. Census Bureau's American Community Survey, this population is 21.15% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates