Hill County, MT Population

Overview

16,297

Total Population

34.1

Median age

49.54%

Female population %

101.8:100

Gender ratio (M:F)

5-9 years

Largest age group

63.1

Total dependency ratio

White

Largest racial group

646

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Hill County is 34.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Hill County's population under 18 was 28.09%, compared to the 22.51% nationwide.
Hill County's elderly or the senior population (over 65 age) was 14.90% as compared to 16.04% nationwide.
Of the total population in Hill County, 23.79% were under the age of 15, 20.88% aged 15 to 29, 40.43% aged 30 to 64, 13.63% aged 65 to 84, and 1.26% were 85 years of age and older.

There are 149 less females than males in Hill County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.54% females and 50.46% males in Hill County, MT.
The Hill County, MT gender ratio is 101.8:100 i.e. 101.8 men to 100 women (1.018).
For male population, the largest age group is 5-9 years with a population of 695.
For the female population, the largest age group is 5-9 years with a population of 752.

Hill County's population has become increasingly diverse:

Racial distribution of Hill County population: 68.96% are White, 0.61% are Black or African American, 24.24% are American Indian and Alaska Native, 0.46% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 1.98% are some other race and 3.73% are multiracial.
Hill County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 646 is Hispanic or Latino (of any race), and 15,651 (96.04% of the total population) is Non-Hispanic.
The largest racial group in Hill County is White with a population of 11,238 (68.96% of the total population).

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

The peak population was 16,674 in the year 2009
From 2000 to 2010, Hill County's population decreased by 447 (2.69%), as compared to the national growth of 9.63%.
From 2010 to 2020, Hill County's population increased by 112 (0.69%), 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, Hill County's population was lowest in year 2022 at 16,068.