Sweet Grass County, MT Population

Overview

3,690

Total Population

45.4

Median age

48.21%

Female population %

107.4:100

Gender ratio (M:F)

60-64 years

Largest age group

75.3

Total dependency ratio

White

Largest racial group

73

Hispanic population

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

TABLE OF CONTENTS

Age

Sweet Grass County's population is old compared to the rest of the country:

The median age in Sweet Grass County is 45.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sweet Grass County's population under 18 was 20.46%, compared to the 22.51% nationwide.
Sweet Grass County's elderly or the senior population (over 65 age) was 26.07% as compared to 16.04% nationwide.
Of the total population in Sweet Grass County, 16.88% were under the age of 15, 19.05% aged 15 to 29, 37.99% aged 30 to 64, 23.63% aged 65 to 84, and 2.44% were 85 years of age and older.

There are 132 less females than males in Sweet Grass County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.21% females and 51.79% males in Sweet Grass County, MT.
The Sweet Grass County, MT gender ratio is 107.4:100 i.e. 107.4 men to 100 women (1.074).
For male population, the largest age group is 20-24 years with a population of 199.
For the female population, the largest age group is 60-64 years with a population of 204.

Sweet Grass County's population has become increasingly diverse:

Racial distribution of Sweet Grass County population: 95.07% are White, 2.25% are Black or African American, 0.79% are American Indian and Alaska Native, 0.08% are Asian and 1.82% are multiracial.
Sweet Grass County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 73 is Hispanic or Latino (of any race), and 3,617 (98.02% of the total population) is Non-Hispanic.
The largest racial group in Sweet Grass County is White with a population of 3,508 (95.07% of the total population).

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

The peak population was 3,737 in the year 2007
From 2000 to 2010, Sweet Grass County's population decreased by 10 (0.28%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sweet Grass County's population increased by 53 (1.47%), 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, Sweet Grass County's population was lowest in year 2003 at 3,572.