Mountrail County, ND Population

Overview

9,717

Total Population

33.0

Median age

45.99%

Female population %

117.4:100

Gender ratio (M:F)

0-4 years

Largest age group

55.7

Total dependency ratio

White

Largest racial group

834

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Mountrail County is 33.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Mountrail County's population under 18 was 28.72%, compared to the 22.51% nationwide.
Mountrail County's elderly or the senior population (over 65 age) was 11.20% as compared to 16.04% nationwide.
Of the total population in Mountrail County, 24.60% were under the age of 15, 20.50% aged 15 to 29, 43.71% aged 30 to 64, 9.71% aged 65 to 84, and 1.48% were 85 years of age and older.

There are 779 less females than males in Mountrail County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 45.99% females and 54.01% males in Mountrail County, ND.
The Mountrail County, ND gender ratio is 117.4:100 i.e. 117.4 men to 100 women (1.174).
For male population, the largest age group is 0-4 years with a population of 484.
For the female population, the largest age group is 5-9 years with a population of 441.

Mountrail County's population has become increasingly diverse:

Racial distribution of Mountrail County population: 60% are White, 1.76% are Black or African American, 31.21% are American Indian and Alaska Native, 0.63% are Asian, 0.14% are Native Hawaiian and other Pacific Islander, 2.70% are some other race and 3.56% are multiracial.
Mountrail County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 834 is Hispanic or Latino (of any race), and 8,883 (91.42% of the total population) is Non-Hispanic.
The largest racial group in Mountrail County is White with a population of 5,83 (60% of the total population).

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

The peak population was 10,507 in the year 2019
From 2000 to 2010, Mountrail County's population increased by 1,121 (17.02%), as compared to the national growth of 9.63%.
From 2010 to 2020, Mountrail County's population increased by 2,099 (27.23%), 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, Mountrail County's population was lowest in year 2006 at 6,408.