Gem County, Idaho Population and Demographics

In this article, we'll explore the population statistics for Gem 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 Gem County, Idaho. The most basic data is the total population, which is the total number of people living in Gem County, Idaho. The estimated population of Gem County, Idaho is 18,692 people, with a median age of 44.7.

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

Year Population Change 5-Year Change
2021
18,692
+5.18%
+10.93%
2020
17,771
+2.54%
-
2019
17,331
+1.64%
-
2018
17,052
+1.2%
-
2017
16,850
- -

Population of Gem 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
84.7%
88%
-3.75%
Black/African American
0.1%
0%
0.00%
Native
0.7%
0.9%
-22.22%
Hispanic
8.8%
8.3%
+6.02%
Asian
0.4%
0.7%
-42.86%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
4.5%
2.1%
+114.29%
Other
0.7%
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 Gem 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 44.7 -0.67% 42.9 -2.5% 46.1 -0.22%
2020 45 +0.9% 44 +5.01% 46.2 +0.87%
2019 44.6 -1.11% 41.9 -4.34% 45.8 0%
2018 45.1 -0.22% 43.8 +1.62% 45.8 -0.43%
2017 45.2 - 43.1 - 46 -

The median age of Gem 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 9 929 +17.19% 768 +24.73% 1,093 968
10 to 19 1,253 +16.19% 1,345 -14.3% 1,439 1,162
20 to 29 906 +7.1% 737 +16.91% 962 860
30 to 39 813 -8.31% 732 +31.04% 732 966
40 to 49 881 +41.76% 1,153 0.18% 1,284 1,151
50 to 59 1,161 -17.06% 1,285 -4.51% 969 1,227
60 to 69 1,168 +24.23% 1,231 +25.19% 1,455 1,569
70+ 1,220 +20.73% 1,268 +7.68% 1,491 1,364

Median Household Income

The latest median household income of Gem County, Idaho is $59,957.00.

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 Gem County.

  • Under 25
    $44,688.00
  • 25 to 44
    $61,301.00
  • 45 to 64
    $74,446.00
  • 65 and over
    $44,037.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Gem 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 Gem County, Idaho is currently $76,538.00.

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.

4.57% of households in Gem 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 Gem County against other areas.

  • Less than $24,999
    20.06%
  • $25,000 to $49,999
    20.21%
  • $50,000 to $74,999
    24.50%
  • $75,000 to $99,999
    11.62%
  • $100,000 to $149,999
    13.39%
  • $150,000 to $199,999
    5.65%
  • $200,000 or more
    4.57%

Per Capita Income

The per capita income in Gem County is $29,625.00.

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

This is different from the average or mean income because it includes and accounts for all people in Gem 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 Gem 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
    6.28%
  • Bachelor's degree
    27.07%
  • Some college or associate's degree
    14.07%
  • High school diploma or equivalent
    45.66%
  • Less than high school diploma
    6.92%

Employment

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

The total population of Gem County over the age of 16 is 14,950.

Of those people, a total of 58.30% 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 Gem County is 56.10%.

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 920 57.60% 1.70%
20 to 24 years 894 96.40% 0.70%
25 to 29 years 928 83.40% 1.20%
30 to 34 years 961 82.50% 0.00%
35 to 44 years 2,004 82.50% 7.50%
45 to 54 years 2,413 81.60% 4.40%
55 to 59 years 951 75.40% 4.90%
60 to 64 years 1,866 51.70% 5.10%
65 to 74 years 2,392 13.30% 0.00%
75 years and over 1,621 7.80% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Gem 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 13,063 56.40% 3.50%
Black or African American 7 100.00% 0.00%
American Indian and Alaska Native 99 57.60% 0.00%
Asian 61 72.10% 22.70%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 737 89.70% 6.50%
Two or more races 983 58.80% 1.00%
Hispanic or Latino 1,053 76.50% 5.30%
Not Hispanic or Latino 12,892 56.20% 3.60%

Occupations

In this section we can look at the most common occupations in Gem 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 Gem County is 8,392, with median earnings of $29,992.00.

Women in Gem County, Idaho earning approximately 67.10% of the men's earnings.

Population Earnings
Total 8,392 $29,992.00
Male 4,447 $34,801.00
Female 3,945 $23,354.00

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 765 $47,218.00
Business and Financial 352 $73,333.00
Computer and Mathematical 85 $69,821.00
Architecture and Engineering 43 $79,911.00
Life, Physical, and Social Science 17 $0.00
Community and Social Service 233 $26,308.00
Legal 55 $43,403.00
Educational and Library 660 $16,875.00
Arts, Design, Entertainment, Sports, and Media 103 $21,278.00
Healthcare Practitioners 314 $38,537.00
Healthcare Support 158 $18,393.00
Firefighters and Protective Service 16 $0.00
Law Enforcement 32 $0.00
Food Preparation and Serving 538 $17,789.00
Building and Grounds Cleaning 272 $21,364.00
Personal Care and Service 278 $13,021.00
Sales 948 $23,513.00
Office and Administrative Support 727 $31,054.00
Farming, Fishing, and Forestry 132 $8,259.00
Construction and Extraction 827 $42,750.00
Installation, Maintenance, and Repair 493 $57,644.00
Production 567 $33,890.00
Transportation and Material Moving 487 $45,571.00

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 402 $83,591.00 363 $45,309.00
Business and Financial 210 $74,491.00 142 $26,591.00
Computer and Mathematical 75 $135,781.00 10 $0.00
Architecture and Engineering 43 $79,911.00 0 $0.00
Life, Physical, and Social Science 9 $0.00 8 $0.00
Community and Social Service 39 $2,499.00 194 $26,686.00
Legal 16 $0.00 39 $0.00
Educational and Library 154 $40,779.00 506 $14,286.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00 103 $21,278.00
Healthcare Practitioners 86 $125,530.00 228 $37,744.00
Healthcare Support 16 $0.00 142 $18,571.00
Firefighters and Protective Service 16 $0.00 0 $0.00
Law Enforcement 1 $0.00 31 $0.00
Food Preparation and Serving 192 $18,140.00 346 $13,000.00
Building and Grounds Cleaning 115 $28,730.00 157 $18,080.00
Personal Care and Service 38 $29,342.00 240 $11,554.00
Sales 577 $23,681.00 371 $22,731.00
Office and Administrative Support 127 $32,219.00 600 $29,375.00
Farming, Fishing, and Forestry 132 $8,259.00 0 $0.00
Construction and Extraction 813 $43,068.00 14 $0.00
Installation, Maintenance, and Repair 493 $57,644.00 0 $0.00
Production 450 $33,929.00 117 $16,607.00
Transportation and Material Moving 293 $56,250.00 194 $41,389.00

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 6,943 households in Gem County, with an average household size of 2.67 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 5,105 families in Gem County with an average family size of 3.01 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 3,910 471 724 1,838
Average Household Size 3.11 3.75 3.53 1.12
Total Families 3,910 471 724 0
Average Household Size 3.08 2.44 3.04 0

Poverty

Of the 5,105 families in Gem County, 7.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Gem 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 7,508 housing units in Gem County, Idaho.

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

Total Percentage
Occupied 6,943 92.47%
Vacant 565 7.53%

21.03% of the total 7,508 housing units in Gem County are rental units. This is approximately 1,579 properties.

For owner-occupied housing units, a total of 5,251 are occupied by the owner - or 69.94% of the total.

Rental Rates

The median rent for a property in Gem County is $725.00.

In the chart below, we can look at the number of rental properties in Gem 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
    113
  • Less than $500
    409
  • $500 to $999
    945
  • $1,000 to $1,499
    136
  • $1,500 to $1,999
    89
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Gem County is $229,000.00.

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

  • Less than $50,000
    271
  • $50,000 to $99,999
    302
  • $100,000 to $149,999
    623
  • $150,000 to $199,999
    1,186
  • $200,000 to $299,999
    863
  • $300,000 to $499,999
    1,216
  • $500,000 to $999,999
    728
  • $1,000,000 or more
    62

Property Age

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

  • 1939 or earlier
    984
  • 1940 to 1949
    423
  • 1950 to 1959
    364
  • 1960 to 1969
    566
  • 1970 to 1979
    1,716
  • 1980 to 1989
    540
  • 1990 to 1999
    1,064
  • 2000 to 2009
    1,444
  • 2010 to 2013
    346
  • 2014 or later
    61

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 Gem County that have a particular number of vehicles available.

  • No vehicles available
    371
  • 1 vehicle available
    1,371
  • 2 vehicles available
    2,461
  • 3 or more vehicles available
    2,740

Commuting to Work

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

29.4 minutes is the average travel time to work for people in Gem 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
    335
  • 5 to 9 minutes
    1,682
  • 10 to 14 minutes
    575
  • 15 to 19 minutes
    641
  • 20 to 24 minutes
    246
  • 25 to 29 minutes
    134
  • 30 to 34 minutes
    426
  • 35 to 39 minutes
    505
  • 40 to 44 minutes
    519
  • 45 to 59 minutes
    1,342
  • 60 to 89 minutes
    854
  • 90 or more minutes
    98

Summary

We've covered a LOT of demographic and population data for Gem 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 Gem County, Idaho

We have data for 4 places in Gem County, Idaho. Click on a place below to see more information about the demographics of that place.