Twin Falls Flag

Twin Falls

County Seat:
Yes
Area (mi²):
19.87
State:
Idaho

Twin Falls is a city located in Twin Falls County, Idaho. Twin Falls has a 2026 population of 57,325. It is also the county seat of Twin Falls County. Twin Falls is currently growing at a rate of 1.54% annually and its population has increased by 10% since the most recent census, which recorded a population of 52,116 in 2020.

The median household income in Twin Falls is $61,205 with a poverty rate of 11.41%. The median age in Twin Falls is 35.1 years: 34.7 years for males, and 35.6 years for females. For every 100 females there are 98.7 males.

57.3K
Total Population
2,885
Density (mi²)
868 1.54%
Growth

Twin Falls Population

Twin Falls Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202657,3258681.54%
202556,4578681.56%
202455,5894750.86%
202355,1146291.15%
202254,4859331.74%
202153,5521,4362.76%
202052,1162730.53%
201950,3305481.1%
201849,7824550.92%
201749,3271,0352.14%
201648,2929942.1%
201547,2988081.74%
201446,4906361.39%
201345,8547681.7%
201245,0862400.54%
201144,8463350.75%
201044,5113860.87%
200034,4696,87824.93%
199027,5911,3825.27%
198026,2094,29519.6%
197021,9141,7888.88%
196020,1262,52614.35%
195017,6005,74948.51%
194011,8513,06434.87%
19308,7874635.56%
19208,3243,06658.31%
19105,25800%

Median Age

Overall: 35.1 years
Female: 35.6 years
Male: 34.7 years

Twin Falls Adults

There are 40,595 adults, (8,967 of whom are seniors) in Twin Falls.

Sex Ratio

Female: 27,260 (50.3%)
Male: 26,904 (49.7%)

Demographics

The racial composition of Twin Falls includes 77.25% White, 7.83% other race, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White41,84177.25%
Two or more races5,75710.63%
Other race4,2427.83%
Asian1,0711.98%
Black or African American7091.31%
Native Hawaiian or Pacific Islander2840.52%
Native American2600.48%
Race
Population ↓
Percentage (of total)
Other race3,9787.34%
Two or more races3,4586.38%
White1,7353.2%
Native American1220.23%
Black or African American600.11%
Asian270.05%
Native Hawaiian or Pacific Islander20%
Race
Population ↓
Percentage (of total)
White40,10674.05%
Two or more races2,2994.24%
Asian1,0441.93%
Black or African American6491.2%
Native Hawaiian or Pacific Islander2820.52%
Other race2640.49%
Native American1380.25%

Twin Falls Marital Status

Economics and Income Statistics

Twin Falls ' average per capita income is $41,297. Household income levels show a median of $61,205. The poverty rate stands at 11.41%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$95,182-
Families$77,023$94,937
Households$61,205$80,447
Non Families$35,569$44,166

$41,297

Average Income

$61,205

Median Household Income

11.41%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)