Sheridan County, MT Population

Overview

3,522

Total Population

45.1

Median age

48.15%

Female population %

107.7:100

Gender ratio (M:F)

60-64 years

Largest age group

67.4

Total dependency ratio

White

Largest racial group

154

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Sheridan County is 45.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sheridan County's population under 18 was 20.67%, compared to the 22.51% nationwide.
Sheridan County's elderly or the senior population (over 65 age) was 21.83% as compared to 16.04% nationwide.
Of the total population in Sheridan County, 18.43% were under the age of 15, 13.52% aged 15 to 29, 46.22% aged 30 to 64, 17.35% aged 65 to 84, and 4.49% were 85 years of age and older.

There are 130 less females than males in Sheridan County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.15% females and 51.85% males in Sheridan County, MT.
The Sheridan County, MT gender ratio is 107.7:100 i.e. 107.7 men to 100 women (1.077).
For male population, the largest age group is 60-64 years with a population of 237.
For the female population, the largest age group is 5-9 years with a population of 168.

Sheridan County's population has become increasingly diverse:

Racial distribution of Sheridan County population: 92.33% are White, 1.70% are American Indian and Alaska Native, 0.57% are Asian, 0.34% are some other race and 5.05% are multiracial.
Sheridan County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 154 is Hispanic or Latino (of any race), and 3,368 (95.63% of the total population) is Non-Hispanic.
The largest racial group in Sheridan County is White with a population of 3,252 (92.33% of the total population).

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

The peak population was 4,046 in the year 2000
From 2000 to 2010, Sheridan County's population decreased by 678 (16.76%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sheridan County's population increased by 168 (4.99%), 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, Sheridan County's population was lowest in year 2009 at 3,216.