Richland County, MT Population

Overview

11,375

Total Population

38.3

Median age

49.98%

Female population %

100.1:100

Gender ratio (M:F)

15-19 years

Largest age group

58.5

Total dependency ratio

White

Largest racial group

626

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Richland County is 38.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Richland County's population under 18 was 25.52%, compared to the 22.51% nationwide.
Richland County's elderly or the senior population (over 65 age) was 16.15% as compared to 16.04% nationwide.
Of the total population in Richland County, 20.76% were under the age of 15, 18.94% aged 15 to 29, 44.15% aged 30 to 64, 14.54% aged 65 to 84, and 1.61% were 85 years of age and older.

There are 5 less females than males in Richland County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.98% females and 50.02% males in Richland County, MT.
The Richland County, MT gender ratio is 100.1:100 i.e. 100.1 men to 100 women (1.001).
For male population, the largest age group is 10-14 years with a population of 473.
For the female population, the largest age group is 30-34 years with a population of 482.

Richland County's population has become increasingly diverse:

Racial distribution of Richland County population: 90.80% are White, 0.11% are Black or African American, 0.15% are American Indian and Alaska Native, 0.08% are Asian, 1.03% are Native Hawaiian and other Pacific Islander, 2.68% are some other race and 5.16% are multiracial.
Richland County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 626 is Hispanic or Latino (of any race), and 10,749 (94.50% of the total population) is Non-Hispanic.
The largest racial group in Richland County is White with a population of 10,328 (90.80% of the total population).

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

The peak population was 11,931 in the year 2015
From 2000 to 2010, Richland County's population increased by 170 (1.77%), as compared to the national growth of 9.63%.
From 2010 to 2020, Richland County's population increased by 1,771 (18.15%), 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, Richland County's population was lowest in year 2004 at 8,965.