Big Horn County, MT Population

Overview

13,198

Total Population

31.3

Median age

50.77%

Female population %

97:100

Gender ratio (M:F)

5-9 years

Largest age group

68.0

Total dependency ratio

American Indian and Alaska Native

Largest racial group

796

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Big Horn County's population is young compared to the rest of the country:

The median age in Big Horn County is 31.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Big Horn County's population under 18 was 33.96%, compared to the 22.51% nationwide.
Big Horn County's elderly or the senior population (over 65 age) was 12.74% as compared to 16.04% nationwide.
Of the total population in Big Horn County, 27.72% were under the age of 15, 21.23% aged 15 to 29, 38.31% aged 30 to 64, 11.57% aged 65 to 84, and 1.17% were 85 years of age and older.

There are 204 more females than males in Big Horn County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.77% females and 49.23% males in Big Horn County, MT.
The Big Horn County, MT gender ratio is 97:100 i.e. 97 men to 100 women (0.970).
For male population, the largest age group is 5-9 years with a population of 812.
For the female population, the largest age group is 10-14 years with a population of 608.

Big Horn County's population has become increasingly diverse:

Racial distribution of Big Horn County population: 28.31% are White, 66.38% are American Indian and Alaska Native, 0.19% are Asian, 0.21% are some other race and 4.90% are multiracial.
Big Horn County's racial breakdown clearly shows that there is an absolute majority of American Indian and Alaska Native population in the county.
By ethnicity, 796 is Hispanic or Latino (of any race), and 12,402 (93.97% of the total population) is Non-Hispanic.
The largest racial group in Big Horn County is American Indian and Alaska Native with a population of 8,761 (66.38% of the total population).

Big Horn County's population has already reached its peak and is showing a trend of decline:

The peak population was 13,454 in the year 2017
From 2000 to 2010, Big Horn County's population increased by 249 (1.97%), as compared to the national growth of 9.63%.
From 2010 to 2020, Big Horn County's population increased by 170 (1.32%), 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, Big Horn County's population was lowest in year 2000 at 12,663.