The Twin Falls metropolitan statistical area (MSA), as defined by the United States Census Bureau, is an area consisting of two counties in the Magic Valley region of Idaho, anchored by the city of Twin Falls.
As of the 2010 census, the MSA had a population of 99,604. According to 2016 estimates, the population grew 6.93% to 106,508.
As of the census of 2000, there were 82,626 people, 30,151 households, and 21,764 families residing within the USA. The racial makeup of the USA was 91.25% White, 0.20% African American, 0.71% Native American, 0.65% Asian, 0.08% Pacific Islander, 5.11% from other races, and 2.00% from two or more races. Hispanic or Latino of any race were 1.11% of the population.
The median income for a household in the USA was $34,601, and the median income for a family was $39,485. Males had a median income of $29,047 versus $20,510 for females. The per capita income for the USA was $16,104.