Blaine County, Idaho Population and Demographics

In this article, we'll explore the population statistics for Blaine County, Idaho, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Blaine County, Idaho. The most basic data is the total population, which is the total number of people living in Blaine County, Idaho. The estimated population of Blaine County, Idaho is 23,868 people, with a median age of 43.8.

We can look at the total population in Blaine County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
23,868
+5.01%
+10.59%
2020
22,729
+1.59%
-
2019
22,373
+1.72%
-
2018
21,994
+1.9%
-
2017
21,583
 - -

Population of Blaine County, Idaho by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
71.7%
76.5%
 -6.27%
Black/African American
0.5%
0.3%
 +66.67%
Native
0.7%
0%
 0.00%
Hispanic
23.4%
21%
 +11.43%
Asian
0.8%
1%
 -20.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2.7%
1.1%
 +145.45%
Other
0.2%
0%
 0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Blaine County, Idaho by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 43.8 +0.23% 40.8 -0.24% 45.6 +0.66%
2020 43.7 +1.16% 40.9 -2.39% 45.3 +0.22%
2019 43.2 0% 41.9 +0.24% 45.2 +0.67%
2018 43.2 +0.93% 41.8 -0.71% 44.9 +2.51%
2017 42.8 - 42.1 - 43.8 -

The median age of Blaine County, Idaho gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 1,235 +3.49% 1,304 +2.21% 1,262 1,329
10 to 19 1,655 +24.39% 1,323 -17.3% 2,085 1,102
20 to 29 1,023 +22.89% 896 +19.21% 1,277 1,078
30 to 39 1,440 -13.02% 1,118 +27.34% 1,259 1,444
40 to 49 1,520 +12.14% 1,528 -9.42% 1,707 1,387
50 to 59 1,687 -24.45% 1,774 +23.26% 1,286 2,214
60 to 69 1,291 +48.25% 1,370 -0.15% 1,979 1,345
70+ 1,189 +25.96% 1,230 +26.99% 1,522 1,592

Median Household Income

The latest median household income of Blaine County, Idaho is $71,749.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Blaine County.

  • Under 25
    $34,016.00
  • 25 to 44
    $72,652.00
  • 45 to 64
    $76,691.00
  • 65 and over
    $64,763.00

Average Household Income

Whenever we ask what is the average household income in Blaine County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Blaine County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Blaine County, Idaho is currently $100,650.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

8.38% of households in Blaine County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Blaine County against other areas.

  • Less than $24,999
    11.79%
  • $25,000 to $49,999
    18.85%
  • $50,000 to $74,999
    21.66%
  • $75,000 to $99,999
    16.29%
  • $100,000 to $149,999
    17.15%
  • $150,000 to $199,999
    5.88%
  • $200,000 or more
    8.38%

Per Capita Income

The per capita income in Blaine County is $40,739.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Blaine County by the total population of Blaine County.

This is different from the average or mean income because it includes and accounts for all people in Blaine County, Idaho, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Blaine County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    14.73%
  • Bachelor's degree
    45.46%
  • Some college or associate's degree
    6.29%
  • High school diploma or equivalent
    31.46%
  • Less than high school diploma
    2.06%

Employment

Employment rates are all based around the total population in Blaine County that are over the age of 16.

The total population of Blaine County over the age of 16 is 19,311.

Of those people, a total of 68.50% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Blaine County is 66.90%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 1,221 57.50% 0.00%
20 to 24 years 1,118 82.00% 3.50%
25 to 29 years 1,237 76.60% 2.30%
30 to 34 years 1,244 70.20% 1.10%
35 to 44 years 2,949 94.50% 0.40%
45 to 54 years 3,081 90.30% 4.80%
55 to 59 years 2,023 70.10% 0.80%
60 to 64 years 1,869 67.20% 5.00%
65 to 74 years 2,929 49.20% 2.10%
75 years and over 1,640 6.60% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Blaine County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 16,608 67.30% 2.70%
Black or African American 46 100.00% 0.00%
American Indian and Alaska Native 215 96.30% 0.00%
Asian 80 48.80% 0.00%
Native Hawaiian and Other Pacific Islander 15 6.70% 0.00%
Other 1,289 74.30% 0.00%
Two or more races 1,058 76.30% 1.60%
Hispanic or Latino 3,878 73.20% 0.60%
Not Hispanic or Latino 14,659 66.60% 3.10%

Occupations

In this section we can look at the most common occupations in Blaine County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Blaine County is 12,917, with median earnings of $36,077.00.

Women in Blaine County, Idaho earning approximately 85.60% of the men's earnings.

Population Earnings
Total 12,917 $36,077.00
Male 7,315 $39,390.00
Female 5,602 $33,726.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 1,446 $62,500.00
Business and Financial 553 $32,813.00
Computer and Mathematical 69 $56,467.00
Architecture and Engineering 277 $51,926.00
Life, Physical, and Social Science 108 $66,852.00
Community and Social Service 246 $24,973.00
Legal 133 $0.00
Educational and Library 391 $56,094.00
Arts, Design, Entertainment, Sports, and Media 460 $54,313.00
Healthcare Practitioners 500 $60,106.00
Healthcare Support 212 $33,269.00
Firefighters and Protective Service 205 $27,297.00
Law Enforcement 78 $55,926.00
Food Preparation and Serving 1,051 $28,716.00
Building and Grounds Cleaning 691 $13,365.00
Personal Care and Service 294 $39,423.00
Sales 1,766 $45,652.00
Office and Administrative Support 1,197 $31,416.00
Farming, Fishing, and Forestry 107 $18,625.00
Construction and Extraction 1,490 $42,595.00
Installation, Maintenance, and Repair 268 $36,412.00
Production 571 $32,667.00
Transportation and Material Moving 191 $36,442.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 805 $73,441.00 641 $55,274.00
Business and Financial 333 $12,406.00 220 $50,781.00
Computer and Mathematical 25 $155,096.00 44 $0.00
Architecture and Engineering 166 $71,354.00 111 $51,047.00
Life, Physical, and Social Science 70 $67,130.00 38 $64,167.00
Community and Social Service 1 $0.00 245 $24,960.00
Legal 81 $0.00 52 $0.00
Educational and Library 64 $81,875.00 327 $55,781.00
Arts, Design, Entertainment, Sports, and Media 303 $67,693.00 157 $32,198.00
Healthcare Practitioners 147 $136,875.00 353 $53,738.00
Healthcare Support 0 $0.00 212 $33,269.00
Firefighters and Protective Service 205 $27,297.00 0 $0.00
Law Enforcement 75 $55,995.00 3 $0.00
Food Preparation and Serving 363 $27,977.00 688 $30,166.00
Building and Grounds Cleaning 270 $19,167.00 421 $10,681.00
Personal Care and Service 167 $38,047.00 127 $53,271.00
Sales 1,078 $46,630.00 688 $39,205.00
Office and Administrative Support 122 $36,250.00 1,075 $30,421.00
Farming, Fishing, and Forestry 107 $18,625.00 0 $0.00
Construction and Extraction 1,490 $42,595.00 0 $0.00
Installation, Maintenance, and Repair 250 $36,565.00 18 $0.00
Production 458 $33,114.00 113 $21,535.00
Transportation and Material Moving 191 $36,442.00 0 $0.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 8,759 households in Blaine County, with an average household size of 2.69 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 5,830 families in Blaine County with an average family size of 3.34 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 4,879 306 645 2,929
Average Household Size 3.16 2.94 5.35 1.28
Total Families 4,879 306 645 0
Average Household Size 3.13 2.73 5.2 0

Poverty

Of the 5,830 families in Blaine County, 4.70% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Blaine County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 15,417 housing units in Blaine County, Idaho.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 8,759 56.81%
Vacant 6,658 43.19%

12.73% of the total 15,417 housing units in Blaine County are rental units. This is approximately 1,962 properties.

For owner-occupied housing units, a total of 6,581 are occupied by the owner - or 42.69% of the total.

Rental Rates

The median rent for a property in Blaine County is $1,052.00.

In the chart below, we can look at the number of rental properties in Blaine County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    216
  • Less than $500
    308
  • $500 to $999
    596
  • $1,000 to $1,499
    724
  • $1,500 to $1,999
    198
  • $2,000 to $2,499
    129
  • $2,500 to $2,999
    7
  • $3,000 or more
    0

Property Value

The median value of a property in Blaine County is $507,400.00.

Just like with rental rates, we can look at the number of properties in Blaine County that fall into a particular value range.

  • Less than $50,000
    140
  • $50,000 to $99,999
    43
  • $100,000 to $149,999
    83
  • $150,000 to $199,999
    256
  • $200,000 to $299,999
    994
  • $300,000 to $499,999
    1,743
  • $500,000 to $999,999
    1,891
  • $1,000,000 or more
    1,431

Property Age

We can also look at the age of properties in Blaine County. The chart below shows the number of properties in Blaine County that fall into a particular age range.

  • 1939 or earlier
    496
  • 1940 to 1949
    442
  • 1950 to 1959
    256
  • 1960 to 1969
    1,046
  • 1970 to 1979
    3,353
  • 1980 to 1989
    3,084
  • 1990 to 1999
    3,262
  • 2000 to 2009
    2,799
  • 2010 to 2013
    658
  • 2014 or later
    21

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Blaine County that have a particular number of vehicles available.

  • No vehicles available
    260
  • 1 vehicle available
    2,299
  • 2 vehicles available
    3,911
  • 3 or more vehicles available
    2,289

Commuting to Work

In this section, we can also look at how people in Blaine County get to work. The chart below shows the number of people in Blaine County that commute to work in a particular way.

17.7 minutes is the average travel time to work for people in Blaine County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    821
  • 5 to 9 minutes
    2,099
  • 10 to 14 minutes
    3,025
  • 15 to 19 minutes
    1,134
  • 20 to 24 minutes
    1,397
  • 25 to 29 minutes
    322
  • 30 to 34 minutes
    1,069
  • 35 to 39 minutes
    52
  • 40 to 44 minutes
    226
  • 45 to 59 minutes
    515
  • 60 to 89 minutes
    227
  • 90 or more minutes
    123

Summary

We've covered a LOT of demographic and population data for Blaine County, Idaho in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Blaine County, Idaho

We have data for 8 places in Blaine County, Idaho. Click on a place below to see more information about the demographics of that place.