Cascade County, MT Population

Overview

84,178

Total Population

38.0

Median age

49.16%

Female population %

103.4:100

Gender ratio (M:F)

25-29 years

Largest age group

60.8

Total dependency ratio

White

Largest racial group

4,102

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Cascade County is 38.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Cascade County's population under 18 was 22.77%, compared to the 22.51% nationwide.
Cascade County's elderly or the senior population (over 65 age) was 18.53% as compared to 16.04% nationwide.
Of the total population in Cascade County, 19.28% were under the age of 15, 19.75% aged 15 to 29, 42.44% aged 30 to 64, 15.99% aged 65 to 84, and 2.53% were 85 years of age and older.

There are 1,406 less females than males in Cascade County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.16% females and 50.84% males in Cascade County, MT.
The Cascade County, MT gender ratio is 103.4:100 i.e. 103.4 men to 100 women (1.034).
For male population, the largest age group is 25-29 years with a population of 3,376.
For the female population, the largest age group is 60-64 years with a population of 2,984.

Cascade County's population has become increasingly diverse:

Racial distribution of Cascade County population: 85.98% are White, 1.46% are Black or African American, 4.04% are American Indian and Alaska Native, 0.90% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 1.76% are some other race and 5.83% are multiracial.
Cascade County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 4,102 is Hispanic or Latino (of any race), and 80,076 (95.13% of the total population) is Non-Hispanic.
The largest racial group in Cascade County is White with a population of 72,378 (85.98% of the total population).

Cascade County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 84,864 in the year 2022
From 2000 to 2010, Cascade County's population increased by 1,187 (1.48%), as compared to the national growth of 9.63%.
From 2010 to 2020, Cascade County's population increased by 2,889 (3.54%), 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, Cascade County's population was lowest in year 2007 at 79,081.