Kootenai County, ID population age distributions
A complete breakdown of Kootenai 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 | 9,738 | 5.62% |
| 5 to 9 years | 11,279 | 6.5% |
| 10 to 14 years | 11,063 | 6.38% |
| 15 to 19 years | 10,519 | 6.07% |
| 20 to 24 years | 9,471 | 5.46% |
| 25 to 29 years | 10,566 | 6.09% |
| 30 to 34 years | 11,202 | 6.46% |
| 35 to 39 years | 10,892 | 6.28% |
| 40 to 44 years | 11,445 | 6.6% |
| 45 to 49 years | 9,742 | 5.62% |
| 50 to 54 years | 10,449 | 6.03% |
| 55 to 59 years | 11,075 | 6.39% |
| 60 to 64 years | 12,253 | 7.07% |
| 65 to 69 years | 11,087 | 6.39% |
| 70 to 74 years | 9,395 | 5.42% |
| 75 to 79 years | 6,074 | 3.5% |
| 80 to 84 years | 3,625 | 2.09% |
| 85 years and over | 3,521 | 2.03% |
TABLE OF CONTENTS
Kootenai County, ID population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Kootenai County, ID population by age group.
The largest age group is 60 to 64 years with a population of 12,253 (7.07% of the total population).
The largest age group in Kootenai County, ID was for the group of age 60 to 64 years with a population of 12,253 (7.07%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Kootenai County, ID was the 85 years and over with a population of 3,521 (2.03%).
Kootenai County, ID population by age cohort
To better understand the age distribution of Kootenai 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
Kootenai County, ID population by age cohort
The largest age group was 18 to 64 years with a population of 100,713 (58.08% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Kootenai County 's population under 18 was 22.48%, compared to the 22.11% nationwide.
- Kootenai County's working population (between 18 and 64) was 58.08%, compared to 61.36% nationwide.
- Kootenai County's elderly or the senior population (over 65 age) was 19.44% as compared to 16.53% nationwide.
Kootenai County, ID population pyramid
Population pyramid for Kootenai 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 Kootenai County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Kootenai County, ID, is 29.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Kootenai County, ID, is 31.3.
- Total dependency ratio for Kootenai County, ID is 61.1.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Kootenai County, ID is 3.2.
FIGURE 3
Kootenai County, ID population pyramid
Kootenai County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Kootenai County, ID population pyramid
Here's the Kootenai County, ID's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 5,003 | 4,735 | 9,738 |
| 5 to 9 years | 6,370 | 4,909 | 11,279 |
| 10 to 14 years | 5,168 | 5,895 | 11,063 |
| 15 to 19 years | 5,548 | 4,971 | 10,519 |
| 20 to 24 years | 4,944 | 4,527 | 9,471 |
| 25 to 29 years | 5,361 | 5,205 | 10,566 |
| 30 to 34 years | 5,566 | 5,636 | 11,202 |
| 35 to 39 years | 5,304 | 5,588 | 10,892 |
| 40 to 44 years | 5,782 | 5,663 | 11,445 |
| 45 to 49 years | 5,117 | 4,625 | 9,742 |
| 50 to 54 years | 5,233 | 5,216 | 10,449 |
| 55 to 59 years | 5,817 | 5,258 | 11,075 |
| 60 to 64 years | 5,551 | 6,702 | 12,253 |
| 65 to 69 years | 5,301 | 5,786 | 11,087 |
| 70 to 74 years | 4,482 | 4,913 | 9,395 |
| 75 to 79 years | 2,750 | 3,324 | 6,074 |
| 80 to 84 years | 1,666 | 1,959 | 3,625 |
| 85 years and over | 1,553 | 1,968 | 3,521 |
Things to know
What is the population of Kootenai County, ID under 18?
Kootenai County's population under the age of 18 is 38,981, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.48% of the total resident population of Kootenai County, ID.
What is the aging population in Kootenai County, ID?
Kootenai County's population aged 65 years and above was 33,702. As per the U.S. Census Bureau's American Community Survey, this population is 19.44% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates