Ada County, ID population age distributions
A complete breakdown of Ada 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 | 26,308 | 5.29% |
5 to 9 years | 28,635 | 5.76% |
10 to 14 years | 36,642 | 7.37% |
15 to 19 years | 34,576 | 6.95% |
20 to 24 years | 31,326 | 6.3% |
25 to 29 years | 34,232 | 6.88% |
30 to 34 years | 35,131 | 7.06% |
35 to 39 years | 36,238 | 7.28% |
40 to 44 years | 35,157 | 7.07% |
45 to 49 years | 32,355 | 6.5% |
50 to 54 years | 30,953 | 6.22% |
55 to 59 years | 31,202 | 6.27% |
60 to 64 years | 28,422 | 5.71% |
65 to 69 years | 26,011 | 5.23% |
70 to 74 years | 20,811 | 4.18% |
75 to 79 years | 14,102 | 2.83% |
80 to 84 years | 8,106 | 1.63% |
85 years and over | 7,287 | 1.46% |
TABLE OF CONTENTS
Ada County, ID population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Ada County, ID population by age group.
The largest age group is 10 to 14 years with a population of 36,642 (7.37% of the total population).
The largest age group in Ada County, ID was for the group of age 10 to 14 years with a population of 36,642 (7.37%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Ada County, ID was the 85 years and over with a population of 7,287 (1.46%).
Ada County, ID population by age cohort
To better understand the age distribution of Ada County, ID'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
Ada County, ID population by age cohort
The largest age group was 18 to 64 years with a population of 308,522 (62.02% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Ada County 's population under 18 was 22.64%, compared to the 22.11% nationwide.
- Ada County's working population (between 18 and 64) was 62.02%, compared to 61.36% nationwide.
- Ada County's elderly or the senior population (over 65 age) was 15.34% as compared to 16.53% nationwide.
Ada County, ID population pyramid
Population pyramid for Ada County, ID 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 Ada County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Ada County, ID, is 27.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ada County, ID, is 23.2.
- Total dependency ratio for Ada County, ID is 50.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Ada County, ID is 4.3.
FIGURE 3
Ada County, ID population pyramid
Ada County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Ada County, ID population pyramid
Here's the Ada County, ID's male and female population across different age groups .
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 13,487 | 12,821 | 26,308 |
5 to 9 years | 14,431 | 14,204 | 28,635 |
10 to 14 years | 18,991 | 17,651 | 36,642 |
15 to 19 years | 17,846 | 16,730 | 34,576 |
20 to 24 years | 16,378 | 14,948 | 31,326 |
25 to 29 years | 17,915 | 16,317 | 34,232 |
30 to 34 years | 17,901 | 17,230 | 35,131 |
35 to 39 years | 18,586 | 17,652 | 36,238 |
40 to 44 years | 18,028 | 17,129 | 35,157 |
45 to 49 years | 16,942 | 15,413 | 32,355 |
50 to 54 years | 15,997 | 14,956 | 30,953 |
55 to 59 years | 15,658 | 15,544 | 31,202 |
60 to 64 years | 13,745 | 14,677 | 28,422 |
65 to 69 years | 12,390 | 13,621 | 26,011 |
70 to 74 years | 10,012 | 10,799 | 20,811 |
75 to 79 years | 6,463 | 7,639 | 14,102 |
80 to 84 years | 3,686 | 4,420 | 8,106 |
85 years and over | 2,645 | 4,642 | 7,287 |
Things to know
What is the population of Ada County, ID under 18?
Ada County's population under the age of 18 is 112,655, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.64% of the total resident population of Ada County, ID.
What is the aging population in Ada County, ID?
Ada County's population aged 65 years and above was 76,317. As per the U.S. Census Bureau's American Community Survey, this population is 15.34% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates