Overview
693
Total Population
55.5
Median age
47.33%
Female population %
111.3:100
Gender ratio (M:F)
60-64 years
Largest age group
74.1
Total dependency ratio
White
Largest racial group
19
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Treasure County's population is old compared to the rest of the country:
- The median age in Treasure County is 55.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Treasure County's population under 18 was 16.88%, compared to the 22.51% nationwide.
- Treasure County's elderly or the senior population (over 65 age) was 25.97% as compared to 16.04% nationwide.
- Of the total population in Treasure County, 16.59% were under the age of 15, 10.39% aged 15 to 29, 47.04% aged 30 to 64, 23.38% aged 65 to 84, and 2.60% were 85 years of age and older.

Read more about Treasure County, MT population by age ➔
Gender
There are 37 less females than males in Treasure County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.33% females and 52.67% males in Treasure County, MT.
- The Treasure County, MT gender ratio is 111.3:100 i.e. 111.3 men to 100 women (1.113).
- For male population, the largest age group is 60-64 years with a population of 60.
- For the female population, the largest age group is 55-59 years with a population of 49.

Read more about Treasure County, MT population by gender ➔
Race / Ethnicity
Treasure County's population is moderately diverse:
- Racial distribution of Treasure County population: 97.69% are White, 0.14% are American Indian and Alaska Native and 2.16% are some other race.
- Treasure County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 19 is Hispanic or Latino (of any race), and 674 (97.26% of the total population) is Non-Hispanic.
- The largest racial group in Treasure County is White with a population of 677 (97.69% of the total population).

Read more about Treasure County, MT population by race ➔
Year by year
Treasure County's population has already reached its peak and is showing a trend of decline:
- The peak population was 850 in the year 2000
- From 2000 to 2010, Treasure County's population decreased by 136 (16.00%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Treasure County's population increased by 44 (6.16%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Treasure County's population was lowest in year 2009 at 616.

Read more about Treasure County, MT population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)