Blaine County, MT Population

The population of Blaine County is 7,051, according to the U.S. Census Bureau ACS estimates.
Neilsberg Research Avatar
Updated Jun 23, 2023
Overview
7,051
Total Population
33.5
Median age
50.06%
Female population %
99.7:100
Gender ratio (M:F)
5-9 years
Largest age group
69.3
Total dependency ratio
American Indian and Alaska Native
Largest racial group
262
Hispanic population

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

Age

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

  • The median age in Blaine County is 33.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • Blaine County's population under 18 was 30.27%, compared to the 22.51% nationwide.
  • Blaine County's elderly or the senior population (over 65 age) was 15.30% as compared to 16.04% nationwide.
  • Of the total population in Blaine County, 25.64% were under the age of 15, 19.66% aged 15 to 29, 39.40% aged 30 to 64, 13.44% aged 65 to 84, and 1.86% were 85 years of age and older.
The graph shows Blaine County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Blaine County, MT population by age group. The largest age group was 5-9 years with a poulation of 627 (8.89% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Blaine County, MT population by age ➔

Gender

There are 9 more females than males in Blaine County:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.06% females and 49.94% males in Blaine County, MT.
  • The Blaine County, MT gender ratio is 99.7:100 i.e. 99.7 men to 100 women (0.997).
  • For male population, the largest age group is 15-19 years with a population of 339.
  • For the female population, the largest age group is 5-9 years with a population of 297.
The grouped bar chart shows Blaine County, MT population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 15-19 years (339) | Female # 5-9 years (297). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Blaine County, MT population by gender ➔

Race / Ethnicity

Blaine County's population has become increasingly diverse:

  • Racial distribution of Blaine County population: 43.71% are White, 0.79% are Black or African American, 52.57% are American Indian and Alaska Native, 0.06% are Asian, 0.35% are some other race and 2.51% are multiracial.
  • Blaine County's racial breakdown clearly shows that there is an absolute majority of American Indian and Alaska Native population in the county.
  • By ethnicity, 262 is Hispanic or Latino (of any race), and 6,789 (96.28% of the total population) is Non-Hispanic.
  • The largest racial group in Blaine County is American Indian and Alaska Native with a population of 3,707 (52.57% of the total population).
The bar chart shows Blaine County, MT population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Blaine County, MT population by race. The largest racial group in Blaine County is American Indian and Alaska Native with a population of 3,707 (52.57% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Blaine County, MT population by race ➔

Year by year

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

  • The peak population was 7,005 in the year 2020
  • From 2000 to 2010, Blaine County's population decreased by 440 (6.34%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, Blaine County's population increased by 502 (7.72%), 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, Blaine County's population was lowest in year 2008 at 6,432.
The graph shows Blaine County's population from 2000 to 2022, with years on x-axis and population on y-axis
Blaine County's population from 2000 to 2022. The estimated population at the end of 2022 was 6,936. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Blaine County, MT population by year ➔

References

Explore related topics

Blaine County, MT Demographics

Explore more

Population of places that contain Blaine County
Population of popular cities

About the author

Neilsberg Research Avatar
Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.