Twin Falls, Twin Falls County, Idaho Population and Demographics

In this article, we'll explore the population statistics for Twin Falls, 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 Twin Falls, Idaho. The most basic data is the total population, which is the total number of people living in Twin Falls, Idaho. The estimated population of Twin Falls, Idaho is 51,223 people, with a median age of 34.

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

Year Population Change 5-Year Change
2021
51,223
+2.82%
+8.20%
2020
49,819
+1.77%
-
2019
48,951
+1.51%
-
2018
48,225
+1.87%
-
2017
47,340
- -

Population of Twin Falls, 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
77.3%
78%
-0.90%
Black/African American
1.1%
1.1%
0.00%
Native
0.2%
1.1%
-81.82%
Hispanic
14.3%
16.1%
-11.18%
Asian
2.5%
2.6%
-3.85%
Hawaiian/Pacific Islander
0%
0.1%
-100.00%
Two Or More Races
4.3%
1.1%
+290.91%
Other
0.4%
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 Twin Falls, 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 34 +1.19% 34 +0.89% 34 +1.49%
2020 33.6 +0.9% 33.7 +0.9% 33.5 +1.21%
2019 33.3 +1.52% 33.4 +1.21% 33.1 +1.22%
2018 32.8 +0.31% 33 +0.92% 32.7 -0.3%
2017 32.7 - 32.7 - 32.8 -

The median age of Twin Falls, 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 3,723 +1.73% 3,909 +1.49% 3,786 3,965
10 to 19 3,187 +3.07% 3,587 -6.9% 3,263 3,323
20 to 29 3,499 +16.68% 3,583 +12.3% 4,101 4,041
30 to 39 3,241 +9.31% 3,137 +23.4% 3,550 3,933
40 to 49 2,678 +19.14% 2,936 -3.85% 3,209 2,802
50 to 59 2,628 +4.79% 2,528 -13.19% 2,750 2,195
60 to 69 2,045 +18.69% 1,989 +41.9% 2,445 2,952
70+ 1,962 +12.84% 2,708 -0.95% 2,226 2,682

Median Household Income

The latest median household income of Twin Falls, Idaho is $53,936.00.

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 Twin Falls.

  • Under 25
    $44,824.00
  • 25 to 44
    $61,599.00
  • 45 to 64
    $65,684.00
  • 65 and over
    $38,007.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Twin Falls, 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 Twin Falls, Idaho is currently $71,095.00.

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.

3.34% of households in Twin Falls 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 Twin Falls against other areas.

  • Less than $24,999
    19.32%
  • $25,000 to $49,999
    26.91%
  • $50,000 to $74,999
    20.45%
  • $75,000 to $99,999
    13.44%
  • $100,000 to $149,999
    12.16%
  • $150,000 to $199,999
    4.38%
  • $200,000 or more
    3.34%

Per Capita Income

The per capita income in Twin Falls is $28,045.00.

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

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

Education Levels

We can also look at the education levels in Twin Falls 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
    11.25%
  • Bachelor's degree
    26.73%
  • Some college or associate's degree
    17.51%
  • High school diploma or equivalent
    40.82%
  • Less than high school diploma
    3.69%

Employment

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

The total population of Twin Falls over the age of 16 is 39,161.

Of those people, a total of 65.70% 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 Twin Falls is 62.90%.

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 2,275 58.20% 10.50%
20 to 24 years 3,776 75.10% 6.50%
25 to 29 years 4,366 85.90% 3.20%
30 to 34 years 3,675 77.70% 4.00%
35 to 44 years 7,042 83.90% 3.40%
45 to 54 years 5,232 85.80% 3.90%
55 to 59 years 2,490 74.50% 2.90%
60 to 64 years 2,486 55.60% 1.10%
65 to 74 years 4,624 23.60% 3.40%
75 years and over 3,195 7.90% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Twin Falls. 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 34,078 65.70% 4.00%
Black or African American 386 75.40% 4.20%
American Indian and Alaska Native 211 63.50% 27.60%
Asian 1,059 55.70% 6.30%
Native Hawaiian and Other Pacific Islander 5 0.00% 0.00%
Other 1,169 66.60% 0.00%
Two or more races 2,253 69.60% 3.80%
Hispanic or Latino 5,409 75.20% 6.80%
Not Hispanic or Latino 30,859 64.60% 3.30%

Occupations

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

The total population of civilian employees that are 16 years old or older in Twin Falls is 24,630, with median earnings of $33,005.00.

Women in Twin Falls, Idaho earning approximately 58.30% of the men's earnings.

Population Earnings
Total 24,630 $33,005.00
Male 13,590 $41,740.00
Female 11,040 $24,333.00

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 2,558 $61,321.00
Business and Financial 707 $28,795.00
Computer and Mathematical 146 $44,091.00
Architecture and Engineering 151 $47,425.00
Life, Physical, and Social Science 421 $62,524.00
Community and Social Service 508 $44,643.00
Legal 186 $46,461.00
Educational and Library 1,384 $34,844.00
Arts, Design, Entertainment, Sports, and Media 355 $14,496.00
Healthcare Practitioners 1,701 $49,243.00
Healthcare Support 1,093 $16,250.00
Firefighters and Protective Service 115 $28,860.00
Law Enforcement 68 $38,991.00
Food Preparation and Serving 1,615 $14,318.00
Building and Grounds Cleaning 875 $25,078.00
Personal Care and Service 437 $9,008.00
Sales 2,468 $33,521.00
Office and Administrative Support 2,285 $29,472.00
Farming, Fishing, and Forestry 560 $37,138.00
Construction and Extraction 887 $38,973.00
Installation, Maintenance, and Repair 1,133 $50,879.00
Production 2,281 $33,036.00
Transportation and Material Moving 1,233 $44,719.00

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 1,721 $77,710.00 837 $48,990.00
Business and Financial 414 $7,437.00 293 $33,899.00
Computer and Mathematical 112 $45,625.00 34 $0.00
Architecture and Engineering 131 $48,208.00 20 $0.00
Life, Physical, and Social Science 161 $86,477.00 260 $47,317.00
Community and Social Service 177 $55,179.00 331 $43,750.00
Legal 49 $61,576.00 137 $45,666.00
Educational and Library 352 $47,292.00 1,032 $20,294.00
Arts, Design, Entertainment, Sports, and Media 143 $4,326.00 212 $17,045.00
Healthcare Practitioners 676 $76,250.00 1,025 $41,055.00
Healthcare Support 112 $13,616.00 981 $18,549.00
Firefighters and Protective Service 101 $29,375.00 14 $0.00
Law Enforcement 51 $0.00 17 $0.00
Food Preparation and Serving 731 $16,788.00 884 $12,458.00
Building and Grounds Cleaning 527 $35,790.00 348 $16,155.00
Personal Care and Service 106 $14,773.00 331 $8,736.00
Sales 1,409 $50,441.00 1,059 $21,379.00
Office and Administrative Support 708 $34,016.00 1,577 $25,745.00
Farming, Fishing, and Forestry 542 $37,434.00 18 $0.00
Construction and Extraction 762 $42,198.00 125 $11,213.00
Installation, Maintenance, and Repair 969 $47,240.00 164 $250,001.00
Production 1,840 $40,516.00 441 $17,552.00
Transportation and Material Moving 1,151 $47,113.00 82 $11,830.00

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 19,538 households in Twin Falls, with an average household size of 2.58 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 12,555 families in Twin Falls with an average family size of 3.16 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 9,644 1,151 1,760 6,983
Average Household Size 3.26 3.35 3.26 1.33
Total Families 9,644 1,151 1,760 0
Average Household Size 3.24 2.82 2.95 0

Poverty

Of the 12,555 families in Twin Falls, 9.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Twin Falls:

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 20,380 housing units in Twin Falls, Idaho.

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

Total Percentage
Occupied 19,538 95.87%
Vacant 842 4.13%

32.74% of the total 20,380 housing units in Twin Falls are rental units. This is approximately 6,673 properties.

For owner-occupied housing units, a total of 12,774 are occupied by the owner - or 62.68% of the total.

Rental Rates

The median rent for a property in Twin Falls is $837.00.

In the chart below, we can look at the number of rental properties in Twin Falls 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
    91
  • Less than $500
    965
  • $500 to $999
    3,591
  • $1,000 to $1,499
    1,430
  • $1,500 to $1,999
    554
  • $2,000 to $2,499
    51
  • $2,500 to $2,999
    25
  • $3,000 or more
    57

Property Value

The median value of a property in Twin Falls is $192,900.00.

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

  • Less than $50,000
    717
  • $50,000 to $99,999
    793
  • $100,000 to $149,999
    2,045
  • $150,000 to $199,999
    3,346
  • $200,000 to $299,999
    3,339
  • $300,000 to $499,999
    2,152
  • $500,000 to $999,999
    382
  • $1,000,000 or more
    0

Property Age

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

  • 1939 or earlier
    2,281
  • 1940 to 1949
    1,178
  • 1950 to 1959
    2,148
  • 1960 to 1969
    1,272
  • 1970 to 1979
    3,396
  • 1980 to 1989
    1,479
  • 1990 to 1999
    2,469
  • 2000 to 2009
    4,062
  • 2010 to 2013
    1,975
  • 2014 or later
    120

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 Twin Falls that have a particular number of vehicles available.

  • No vehicles available
    714
  • 1 vehicle available
    6,672
  • 2 vehicles available
    7,592
  • 3 or more vehicles available
    4,560

Commuting to Work

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

16.4 minutes is the average travel time to work for people in Twin Falls.

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
    1,081
  • 5 to 9 minutes
    5,823
  • 10 to 14 minutes
    5,719
  • 15 to 19 minutes
    3,948
  • 20 to 24 minutes
    2,123
  • 25 to 29 minutes
    544
  • 30 to 34 minutes
    1,361
  • 35 to 39 minutes
    412
  • 40 to 44 minutes
    159
  • 45 to 59 minutes
    723
  • 60 to 89 minutes
    270
  • 90 or more minutes
    442

Summary

We've covered a LOT of demographic and population data for Twin Falls, 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.