Overview
2,026
Total Population
39.3
Median age
56.37%
Female population %
77.4:100
Gender ratio (M:F)
35-39 years
Largest age group
75.6
Total dependency ratio
White
Largest racial group
16
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Liberty County's population is old compared to the rest of the country:
- The median age in Liberty County is 39.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Liberty County's population under 18 was 26.16%, compared to the 22.51% nationwide.
- Liberty County's elderly or the senior population (over 65 age) was 20.34% as compared to 16.04% nationwide.
- Of the total population in Liberty County, 22.70% were under the age of 15, 14.61% aged 15 to 29, 42.35% aged 30 to 64, 14.02% aged 65 to 84, and 6.32% were 85 years of age and older.

Read more about Liberty County, MT population by age ➔
Gender
There are 258 more females than males in Liberty County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 56.37% females and 43.63% males in Liberty County, MT.
- The Liberty County, MT gender ratio is 77.4:100 i.e. 77.4 men to 100 women (0.774).
- For male population, the largest age group is 5-9 years with a population of 123.
- For the female population, the largest age group is 40-44 years with a population of 138.

Read more about Liberty County, MT population by gender ➔
Race / Ethnicity
Liberty County's population is moderately diverse:
- Racial distribution of Liberty County population: 99.01% are White, 0.25% are American Indian and Alaska Native, 0.49% are some other race and 0.25% are multiracial.
- Liberty County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 16 is Hispanic or Latino (of any race), and 2,01 (99.21% of the total population) is Non-Hispanic.
- The largest racial group in Liberty County is White with a population of 2,006 (99.01% of the total population).

Read more about Liberty County, MT population by race ➔
Year by year
Liberty County's population has already reached its peak and is showing a trend of decline:
- The peak population was 2,440 in the year 2018
- From 2000 to 2010, Liberty County's population increased by 200 (9.31%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Liberty County's population decreased by 393 (16.73%), 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, Liberty County's population was lowest in year 2009 at 1,749.

Read more about Liberty 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)