Blaine County, Idaho Population 2024

25,181

Blaine County, Idaho's estimated 2024 population is 25,181 with a growth rate of 0.56% in the past year according to the most recent United States census data. Blaine County, Idaho is the 17th largest county in Idaho. The 2010 population was 21,296 and has seen a growth of 18.24% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202925,8811400.54%
202825,7411400.55%
202725,6011400.55%
202625,4611400.55%
202525,3211400.56%
202425,1811400.56%
202325,0411400.56%
202224,9011190.48%
202124,7824341.78%
202024,3481,3365.81%
201923,0122761.21%
201822,7363351.5%
201722,4013321.5%
201622,0694101.89%
201521,6591880.88%
201421,4711380.65%
201321,3332020.96%
201221,131460.22%
201121,085-211-0.99%
201021,29600%
199013,5523,71137.71%
19809,8414,09271.18%
19705,7491,15125.03%
19604,598-786-14.6%
19505,384891.68%
19405,2951,52740.53%
19303,768-705-15.76%
19204,473-3,914-46.67%
19108,3873,48771.16%
19004,900-20,981-81.07%
2024 Growth Rate
0.56% (140)
County Website
Blaine County
State
Idaho
County Seat
Hailey
2020 Population
24,348
Area
2638 mi²
Density
10 people/mi²
Growth Since 2020
3.42% (833)
Founded
March 5, 1895

Population by Race

Race
Population
Percentage (of total)
White19,73280.28%
Other race2,46310.02%
Two or more races1,8617.57%
Native American2781.13%
Asian1270.52%
Black or African American1170.48%
Native Hawaiian or Pacific Islander10%

White

Other race

Two or more races

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Blaine County, Idaho Population by Race

Blaine County, Idaho Population Pyramid 2024

Blaine County, Idaho Median Age

45.5

Total

43.5

Male

47.5

Female

Blaine County, Idaho Adults

There are 19,764 adults, (5,366 of whom are seniors) in Blaine County, Idaho.

Blaine County, Idaho Age Dependency

70.7

Age Dependency Ratio

37.3

Old Age Dependency Ratio

33.4

Child Dependency Ratio

Blaine County, Idaho Sex Ratio

Female11,65947.43%
Male12,92052.57%

Blaine County, Idaho Population by Age

Blaine County, Idaho Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All9,8222.4675.524.5
Married5,4243.0282.417.6
Non Family3,5021.2870.829.2
Female5274.0749.750.3
Male3693.255.344.7

3.06

Average Family Size

2.46

Average Household Size

75.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Blaine County, Idaho Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade6593.68%
Associates Degree8754.88%
Bachelors Degree5,92733.07%
Graduate Degree2,23412.46%
High School Graduate3,88621.68%
Less Than 9th Grade9225.14%
Some College3,42219.09%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Blaine County, Idaho Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White14,05613,5717,452
Hispanic2,8431,806400
Other Race1,33468175
2+ Races1,3141,077321
Native American26825833
Asian36369
Black111111
Islander110

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 100%.

Blaine County, Idaho Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$60,347$62,847$56,016
Graduate Degree$58,005$96,389$37,168
High School Graduate$36,153$36,935$27,395
Less Than 9th Grade$38,679$42,026$0
Overall$43,364$49,918$37,869
Some College$38,280$47,075$31,875

$43,364

Average Earnings

$49,918

Average Male

$37,869

Average Female

Blaine County, Idaho Earnings by Educational Attainment

Blaine County, Idaho Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Blaine County, Idaho Language

76.65% of Blaine County, Idaho residents speak only English, while 23.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.7% of the population.

Blaine County, Idaho Language

Blaine County, Idaho Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White17,7921,2216.86%
Hispanic5,19055710.73%
Other2,45628611.64%
Multiple1,861975.21%
Islander11100%

7.45%

Overall Poverty Rate

6.65%

Male Poverty Rate

8.33%

Female Poverty Rate

Poverty in Blaine County, Idaho

The race most likely to be in poverty in Blaine County, Idaho is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Blaine County, Idaho is Multiple, with 5.21% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2%. Among those working part-time, it was 7.22%, and for those that did not work, the poverty rate was 11.92%.

Blaine County, Idaho Poverty

rate

Rate
Poverty
Less Than 9th Grade18.95%
Some College5.11%
High School5.03%
Bachelors or Greater4.19%

Blaine County, Idaho Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed21.37%
Male Employed3.93%
Female Employed3.55%
Male Unemployed0%

Blaine County, Idaho Poverty Rate by Employment Status and Sex

Blaine County, Idaho Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$92,889$135,603
Households$84,470$121,425
Married Families$101,315$-999,999,999
Non Families$63,154$94,263

mean

median

Income by Household Type

Blaine County, Idaho Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.3%

Overall Marriage Rate

55.3%

Male Marriage Rate

59.6%

Female Marriage Rate

Blaine County, Idaho Married by Age and Sex

male

female

Blaine County, Idaho Marriage

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

Blaine County, Idaho Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Blaine County, Idaho Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,531

Number of Veterans

1,413

Male Veterans

118

Female Veterans

War
Veterans
Vietnam668
First Gulf War339
Second Gulf War135
Korea45
World War II26

Blaine County, Idaho Veterans by War

count

Age Group
Veterans
75+619
35 to 54318
55 to 64315
65 to 74253
18 to 3426

Blaine County, Idaho Veterans by Age

count

Name
Veterans
% of Total
White1,4128.6%
Hispanic942.65%
2+ Races675%
Other Race523.12%

Blaine County, Idaho Veterans by Race

Blaine County, Idaho Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.89%

Veteran Poverty Rate

37.78%

Veteran Disability Rate

Blaine County, Idaho Veterans by Education

LaborForceParticipation

67.9%

Labor Force Participation

66.1%

Employment Rate

2.6%

Unemployment Rate

Blaine County, Idaho Employment by Age

LaborForceParticipation

Blaine County, Idaho Employment by Race

LaborForceParticipation

Blaine County, Idaho 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

31.51%

Born in Blaine County, Idaho

85.02%

Native Born

14.98%

Foreign Born

9.48%

Non Citizen

5.5%

Naturalized

Place of Birth

85.02% of Blaine County, Idaho residents were born in the United States, with 31.51% having been born in Idaho. 9.48% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Blaine County, Idaho Place of Birth

Sources