Twin Falls County, ID demographics:
population, income, and more

Total population
93,734
1.8% year-over-year change
Median household income
$67,409/yr
3.2% year-over-year change
Housing units
36,429
1.9% year-over-year change

Twin Falls County population

How many people live in Twin Falls County

Twin Falls County is home to 93,734 residents, according to the most recent Census data. Gender-wise, 49.6% of Twin Falls County locals are male, and 50.4% are female.

Total population
93,734
1.8% year-over-year change
Gender ratio
Male
49.6%
46,512
Female
50.4%
47,222
Value Percent YoY change
Male 46,512 49.6% 1.7%
Female 47,222 50.4% 1.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Twin Falls County is 36, with the population distributed as follows: about 21.5% are children under 15, then 13.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.5% of the population, while another 21.9% fall into the 45 to 64 bracket. Finally, around 16.6% are 65 or older.

Median age
36.1
Age breakdown
Under 15
21.5%
15 to 24
13.5%
25 to 44
26.5%
45 to 64
21.9%
Over 65
16.6%
Value Percent YoY change
Under 15 20,175 21.5% -0.3%
15 to 24 12,667 13.5% 2.5%
25 to 44 24,831 26.5% 2.2%
45 to 64 20,513 21.9% 2.0%
Over 65 15,548 16.6% 2.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Twin Falls County, 90.8% of the population are US-born citizens, while 4.8% have gained naturalized citizenship. At the same time, 4.4% of residents are non-citizens. As for race, 78.6% of locals are Caucasian, 0.9% are African American and 1.2% have Asian roots. Another 0.5% are Indigenous American, 0.3% are Pacific Islanders, while 7.6% identify as another race. There’s also a share of 10.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
90.8%
Non-U.S.-born citizens
4.8%
Non-citizens
4.4%
Value Percent YoY change
U.S.-born citizens 85,079 90.8% 0.9%
Non-U.S.-born citizens 4,503 4.8% 9.8%
Non-citizens 4,152 4.4% 11.4%
Racial breakdown
White
78.6%
Black or African American
0.9%
American Indian and Alaska Native
0.5%
Asian
1.2%
Native Hawaiian and other Pacific Islander
0.3%
Two or more races
10.9%
Other
7.6%
Value Percent
White 73,685 78.6%
Black or African American 828 0.9%
American Indian and Alaska Native 494 0.5%
Asian 1,096 1.2%
Native Hawaiian and other Pacific Islander 295 0.3%
Two or more races 10,210 10.9%
Other 7,126 7.6%

Households in Twin Falls County

A peek inside Twin Falls County households

Twin Falls County has 34,754 households, with an average of 3 members in each. Of these, 70.3% are families, while the remaining 29.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
34,754
2.5% year-over-year change
Average people per household
3
Non-family households
10,327
Family households
24,427
Value Percent YoY change
Non-family households 10,327 29.7% 0.2%
Family households 24,427 70.3% 3.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Twin Falls County

The housing landscape of Twin Falls County

Twin Falls County's housing consists of 36,429 units, with 75.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 7% of the housing landscape.

Housing units
36,429
1.9% year-over-year change
Housing types
Value Percent
1 unit, detached 27,437 75.3%
1 unit, attached 1,335 3.7%
2 units 839 2.3%
3 or 4 units 2,116 5.8%
5 to 9 units 950 2.6%
10 to 19 units 295 0.8%
20 to 49 units 433 1.2%
50 or more units 386 1.1%
Mobile home 2,570 7%
Boat, RV, van, etc. 68 0.2%
Homes built since 2020
1,088
46.4% year-over-year change

The age of buildings in Twin Falls County

In Twin Falls County, the median construction year is 1982. About 11.5% of homes were built before the 1940s, with another 5.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.1% of homes were added from 2000 to 2009, 10.9% between 2010 and 2019, and 3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 4,188 11.5% -4.5%
Built between 1940 and 1949 2,038 5.6% -1.2%
Built between 1950 and 1959 2,972 8.2% 5.4%
Built between 1960 and 1969 2,277 6.2% -15.3%
Built between 1970 and 1979 6,296 17.3% 2.2%
Built between 1980 and 1989 2,817 7.7% 12.7%
Built between 1990 and 1999 4,176 11.5% 6.9%
Built between 2000 and 2009 6,597 18.1% -5.5%
Built between 2010 and 2019 3,980 10.9% 13.4%
Built in 2020 or later 1,088 3% 46.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Twin Falls County occupancy rates

Out of the 34,754 occupied housing units in Twin Falls County, 70.5% are owner-occupied, while 29.5% are lived in by tenants. Meanwhile, 4.6% of all homes on the local market sit vacant.

Occupied housing units
34,754
2.5% year-over-year change
Occupancy breakdown
Renter occupied
10,266
Owner occupied
24,488
Value Percent YoY
change
Renter occupied 10,266 29.5% -0.5%
Owner occupied 24,488 70.5% 3.8%
Unoccupied housing units
4.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Twin Falls County housing costs

Housing costs in Twin Falls County come to a median of $1,095 per month, while tenants specifically pay a median gross rent of $1,089.

Median housing costs per month
$1,095/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Twin Falls County
$1,089/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Twin Falls County

Twin Falls County education at a glance

About 38.6% of the population in Twin Falls County went to high school, while 23.9% pursued college studies. Another 11.7% earned an associate degree and 13.8% hold a bachelor’s. Meanwhile, 7.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 3,121 4.5% 1.6%
High school diploma 26,671 38.6% 3.2%
College diploma 16,503 23.9% -4.8%
Associate degree 8,071 11.7% 10.4%
Bachelor's degree 9,524 13.8% 11.3%
Graduate degree 5,172 7.5% -4.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Twin Falls County

How much people earn in Twin Falls County

The average annual household income in Twin Falls County was $90,415 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.4% change from the previous year. At the same time, the median income stood at $67,409, reflecting a +3.2% shift over the same period.

Average household income in Twin Falls County
$90,415/year
4.4% year-over-year change
Median household income in Twin Falls County
$67,409/year
3.2% year-over-year change

Twin Falls County income by age

In Twin Falls County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $76,007. Those with someone between 45 and 64 in charge, often well established professionally, earn $86,413 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $48,698, while those led by someone over 65, many of whom may be retired, have about $47,109 in earnings. Overall, 88.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $48,698 -4.2%
25 - 44 $76,007 4.9%
45 - 64 $86,413 8.5%
Over 65 $47,109 0.2%
Above poverty level
80,980
Below poverty level
10,378
Value Percent YoY
change
Above poverty level 80,980 88.6% 1.1%
Below poverty level 10,378 11.4% 9.1%

Employment in Twin Falls County

Workforce and job types in Twin Falls County

The job market in Twin Falls County is powered by 44,973 working residents, spread across a range of industries and roles. 71% of the working population are employed in professional or administrative positions, while 29% are in hands-on or service-based jobs. Also, 13.8% run their own businesses, 66.6% are employed by private companies, and 12.1% work in the public sector.

Workforce demographics

Working population
44,973
3.9% year-over-year change
White collar
31,954
Blue collar
13,019
Value Percent YoY change
White collar 31,954 71% 5.1%
Blue collar 13,019 29% 1.1%
Employer type
Self employees
13.8%
Private companies
66.6%
Governmental workers
12.1%
Not for profit companies
7.4%
Value Percent YoY change
Self employees 6,228 13.8% 7.7%
Private companies 29,970 66.6% 3.6%
Governmental workers 5,450 12.1% 1.1%
Not for profit companies 3,325 7.4% 4.2%
Unemployment rate
3.0%
-0.8% year-over-year change

Available workforce

The unemployment rate in Twin Falls County stands at 3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Twin Falls County

How people get around in Twin Falls County

In Twin Falls County, the average commute time is 18 minutes. Commuting methods vary: 89.9% of residents travel by personal vehicle and 1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
18 min
-1.1% year-over-year change
Means of transportation
Value Percent YoY change
Car 39,801 89.9% 4.4%
Taxicab 119 0.3% 205.1%
Bus or trolleybus 10 0% -75.0%
Motorcycle 132 0.3% 46.7%
Bicycle 75 0.2% 11.9%
Walk 464 1% -7.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Twin Falls County by zipcode?

Zipcode Population Number of households Median income Average income
83301 63,592 24,066 $62,647 $85,307
83302 35 13 $108,281 $93,331
83316 10,456 3,879 $69,593 $98,311
83321 482 210 $60,000 $63,532
83328 6,320 2,357 $70,851 $105,701
83332 2,569 1,258 $64,792 $75,798
83334 2,227 787 $64,583 $79,504
83341 9,531 3,131 $99,100 $116,450
83344 1,234 379 $65,417 $83,916

Find your place

Explore more communities

FAQs about Twin Falls County demographics 

What is the total population of Twin Falls County?

Twin Falls County has a total population of 93,734 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.8% compared to a year ago.

What is the gender ratio in Twin Falls County?

The gender ratio in Twin Falls County is as follows:
  • 49.6% males (46,512 residents)
  • 50.4% females (47,222 residents)

What is the median age in Twin Falls County?

The median age in Twin Falls County is 36.1.

What is the age distribution of the population in Twin Falls County?

The age distribution in Twin Falls County is as follows:
  • Under 15: 21.5% (20,175 residents)
  • Ages 15-24: 13.5% (12,667 residents)
  • Ages 25-44: 26.5% (24,831 residents)
  • Ages 45-64: 21.9% (20,513 residents)
  • Over 65: 16.6% (15,548 residents)

What is the racial and ethnic makeup of Twin Falls County?

The racial and ethnic makeup of Twin Falls County is as follows:
  • White: 78.6% (73,685 residents)
  • Black or African American: 0.9% (828 residents)
  • American Indian and Alaska Native: 0.5% (494 residents)
  • Asian: 1.2% (1,096 residents)
  • Native Hawaiian and Other Pacific Islander: 0.3% (295 residents)
  • Two or More Races: 10.9% (10,210 residents)
  • Other: 7.6% (7,126 residents)

What percentage of the population in Twin Falls County are U.S.-born citizens?

U.S.-born citizens represent 90.8% of the population in Twin Falls County.

How many housing units are there in Twin Falls County?

There are 36,429 housing units in Twin Falls County, reflecting a +1.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Twin Falls County and what is the average household size?

Twin Falls County has a total of 34,754 households, with an average of 3 people in each.

What is the median household income in Twin Falls County?

Twin Falls County has a median household income of $67,409, representing a +3.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Twin Falls County?

The employment rate is 97% in Twin Falls County, with a workforce of 44,973 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71% (31,954 residents)
  • Blue-collar workers: 29% (13,019 residents)

Places of employment:
  • Self-employed: 13.8% (6,228 residents)
  • Private companies: 66.6% (29,970 residents)
  • Governmental workers: 12.1% (5,450 residents)
  • Not-for-profit companies: 7.4% (3,325 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025