Twin Falls County Flag

Twin Falls County

State:
Idaho
County Seat:
Twin Falls

Twin Falls County's estimated 2025 population is 97,826 with a growth rate of 1.38% in the past year according to the most recent United States census data. Twin Falls County is the 5th largest county in Idaho. The 2010 population was 77,547 and has seen a growth of 26.15% since that time.

97,826
Total Population
51
Population Density (mi²)
5
Population Rank (State)
1.3K 1.38%
Annual Population Growth

Twin Falls County Population

Twin Falls County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Twin Falls County includes 81.6% White, 5.38% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White75,17281.6%
Two or more races9,23210.02%
Other race4,9535.38%
Asian1,2391.34%
Black or African American7840.85%
Native American4740.51%
Native Hawaiian or Pacific Islander2670.29%

Twin Falls County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Twin Falls County's average per capita income is $41,859. Household income levels show a median of $65,338. The poverty rate stands at 10.74%.

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$92,155$107,427
Families$78,328$99,170
Households$65,338$86,618
Non Families$36,645$52,073

$41,859

Average Income

$65,338

Median Household Income

10.74%

Poverty Rate