Blaine County, Montana Population 2024

6,826

Blaine County, Montana's estimated 2024 population is 6,826 with a growth rate of -1.06% in the past year according to the most recent United States census data. Blaine County, Montana is the 31st largest county in Montana. The 2010 population was 6,503 and has seen a growth of 4.97% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20296,461-73-1.12%
20286,534-73-1.1%
20276,607-73-1.09%
20266,680-73-1.08%
20256,753-73-1.07%
20246,826-73-1.06%
20236,899-73-1.05%
20226,972-31-0.44%
20217,003-4-0.06%
20207,0073034.52%
20196,704-60-0.89%
20186,764240.36%
20176,740240.36%
20166,716330.49%
20156,683-27-0.4%
20146,710721.08%
20136,638-45-0.67%
20126,6831071.63%
20116,576731.12%
20106,50300%
19906,728-271-3.87%
19806,9992724.04%
19706,727-1,364-16.86%
19608,091-425-4.99%
19508,516-1,050-10.98%
19409,5665606.22%
19309,006-51-0.56%
19209,0572,59640.18%
2024 Growth Rate
-1.06% (-73)
County Website
Blaine County
State
Montana
County Seat
Chinook
2020 Population
7,007
Area
4228 mi²
Density
2 people/mi²
Growth Since 2020
-2.58% (-181)
Founded
1912

Population by Race

Race
Population
Percentage (of total)
Native American3,50950.15%
White3,10244.33%
Two or more races3555.07%
Black or African American310.44%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Native American

White

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Blaine County, Montana Population by Race

Blaine County, Montana Population Pyramid 2024

Blaine County, Montana Median Age

33.9

Total

33.6

Male

35.2

Female

Blaine County, Montana Adults

There are 4,940 adults, (1,147 of whom are seniors) in Blaine County, Montana.

Blaine County, Montana Age Dependency

84.5

Age Dependency Ratio

30.2

Old Age Dependency Ratio

54.2

Child Dependency Ratio

Blaine County, Montana Sex Ratio

Female3,50650.11%
Male3,49149.89%

Blaine County, Montana Population by Age

Blaine County, Montana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,2972.9663.236.8
Married9993.4172.827.2
Non Family7001.1857.642.4
Female3824.547.952.1
Male2163.9863.936.1

3.65

Average Family Size

2.96

Average Household Size

63.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Blaine County, Montana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2646.1%
Associates Degree61614.24%
Bachelors Degree75417.43%
Graduate Degree3648.41%
High School Graduate1,16326.88%
Less Than 9th Grade1443.33%
Some College1,02123.6%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Blaine County, Montana Educational Attainment by Sex (over 25)

Blaine County, Montana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White2,2502,067757
Native American1,8391,628246
2+ Races20218892
Hispanic11711759
Black272723

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among black people with a rate of 85.19%.

Blaine County, Montana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$53,021$75,643$51,952
Graduate Degree$63,147$63,906$59,750
High School Graduate$24,329$27,857$17,292
Less Than 9th Grade$40,833$42,014$0
Overall$43,697$44,565$42,865
Some College$41,082$48,203$35,536

$43,697

Average Earnings

$44,565

Average Male

$42,865

Average Female

Blaine County, Montana Earnings by Educational Attainment

Blaine County, Montana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Blaine County, Montana Language

91.45% of Blaine County, Montana residents speak only English, while 8.55% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 4.9% of the population.

Blaine County, Montana Language

Blaine County, Montana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Native3,46198028.32%
White3,0242799.23%
Multiple35310529.75%
Black312993.55%

20.24%

Overall Poverty Rate

18.52%

Male Poverty Rate

21.97%

Female Poverty Rate

Poverty in Blaine County, Montana

The race most likely to be in poverty in Blaine County, Montana is Black, with 93.55% below the poverty level.

The race least likely to be in poverty in Blaine County, Montana is White, with 9.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.21%. Among those working part-time, it was 24.91%, and for those that did not work, the poverty rate was 31.45%.

Blaine County, Montana Poverty

rate

Rate
Poverty
Less Than 9th Grade43.01%
High School23.16%
Some College16.42%
Bachelors or Greater5.88%

Blaine County, Montana Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed65.55%
Male Unemployed13.08%
Female Employed11.41%
Male Employed7.09%

Blaine County, Montana Poverty Rate by Employment Status and Sex

Blaine County, Montana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$79,676$95,118
Households$65,050$78,155
Married Families$84,970$-999,999,999
Non Families$22,052$36,673

mean

median

Income by Household Type

Blaine County, Montana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.6%

Overall Marriage Rate

45.9%

Male Marriage Rate

39.3%

Female Marriage Rate

Blaine County, Montana Married by Age and Sex

male

female

Blaine County, Montana Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Blaine County, Montana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Blaine County, Montana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

296

Number of Veterans

273

Male Veterans

23

Female Veterans

War
Veterans
Second Gulf War112
Vietnam77
First Gulf War55
World War II15
Korea4

Blaine County, Montana Veterans by War

count

Age Group
Veterans
75+80
35 to 5465
18 to 3461
65 to 7446
55 to 6444

Blaine County, Montana Veterans by Age

count

Name
Veterans
% of Total
Native American1436.32%
White1285.28%
2+ Races219.46%
Hispanic107.52%
Black412.9%

Blaine County, Montana Veterans by Race

Blaine County, Montana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

16.03%

Veteran Poverty Rate

48.78%

Veteran Disability Rate

Blaine County, Montana Veterans by Education

LaborForceParticipation

61.4%

Labor Force Participation

52.6%

Employment Rate

14.2%

Unemployment Rate

Blaine County, Montana Employment by Age

LaborForceParticipation

Blaine County, Montana Employment by Race

LaborForceParticipation

Blaine County, Montana Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

84.29%

Born in Blaine County, Montana

98.87%

Native Born

1.13%

Foreign Born

0.54%

Non Citizen

0.59%

Naturalized

Place of Birth

98.87% of Blaine County, Montana residents were born in the United States, with 84.29% having been born in Montana. 0.54% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

Blaine County, Montana Place of Birth

Sources