Lake County, MT population age distributions
A complete breakdown of Lake 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 | 1,680 | 5.33% |
| 5 to 9 years | 1,858 | 5.9% |
| 10 to 14 years | 2,292 | 7.27% |
| 15 to 19 years | 1,878 | 5.96% |
| 20 to 24 years | 1,737 | 5.51% |
| 25 to 29 years | 1,630 | 5.17% |
| 30 to 34 years | 1,665 | 5.28% |
| 35 to 39 years | 1,712 | 5.43% |
| 40 to 44 years | 1,750 | 5.55% |
| 45 to 49 years | 1,663 | 5.28% |
| 50 to 54 years | 1,759 | 5.58% |
| 55 to 59 years | 2,112 | 6.7% |
| 60 to 64 years | 2,541 | 8.06% |
| 65 to 69 years | 2,435 | 7.73% |
| 70 to 74 years | 1,946 | 6.18% |
| 75 to 79 years | 1,630 | 5.17% |
| 80 to 84 years | 730 | 2.32% |
| 85 years and over | 491 | 1.56% |
TABLE OF CONTENTS
Lake County, MT population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Lake County, MT population by age group.
The largest age group is 60 to 64 years with a population of 2,541 (8.06% of the total population).
The largest age group in Lake County, MT was for the group of age 60 to 64 years with a population of 2,541 (8.06%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Lake County, MT was the 85 years and over with a population of 491 (1.56%).
Lake County, MT population by age cohort
To better understand the age distribution of Lake County, MT'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
Lake County, MT population by age cohort
The largest age group was 18 to 64 years with a population of 17,149 (54.43% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Lake County 's population under 18 was 22.62%, compared to the 22.11% nationwide.
- Lake County's working population (between 18 and 64) was 54.43%, compared to 61.36% nationwide.
- Lake County's elderly or the senior population (over 65 age) was 22.95% as compared to 16.53% nationwide.
Lake County, MT population pyramid
Population pyramid for Lake County, MT 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 Lake County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lake County, MT, is 31.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lake County, MT, is 39.2.
- Total dependency ratio for Lake County, MT is 70.8.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Lake County, MT is 2.6.
FIGURE 3
Lake County, MT population pyramid
Lake County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Lake County, MT population pyramid
Here's the Lake County, MT's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 867 | 813 | 1,680 |
| 5 to 9 years | 905 | 953 | 1,858 |
| 10 to 14 years | 1,252 | 1,040 | 2,292 |
| 15 to 19 years | 943 | 935 | 1,878 |
| 20 to 24 years | 901 | 836 | 1,737 |
| 25 to 29 years | 864 | 766 | 1,630 |
| 30 to 34 years | 793 | 872 | 1,665 |
| 35 to 39 years | 813 | 899 | 1,712 |
| 40 to 44 years | 867 | 883 | 1,750 |
| 45 to 49 years | 772 | 891 | 1,663 |
| 50 to 54 years | 866 | 893 | 1,759 |
| 55 to 59 years | 1,064 | 1,048 | 2,112 |
| 60 to 64 years | 1,165 | 1,376 | 2,541 |
| 65 to 69 years | 1,141 | 1,294 | 2,435 |
| 70 to 74 years | 1,027 | 919 | 1,946 |
| 75 to 79 years | 839 | 791 | 1,630 |
| 80 to 84 years | 369 | 361 | 730 |
| 85 years and over | 182 | 309 | 491 |
Things to know
What is the population of Lake County, MT under 18?
Lake County's population under the age of 18 is 7,128, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.62% of the total resident population of Lake County, MT.
What is the aging population in Lake County, MT?
Lake County's population aged 65 years and above was 7,232. As per the U.S. Census Bureau's American Community Survey, this population is 22.95% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates