Idaho · Population 53,219 · Updated March 2026
How far your income goes in Twin Falls
State-level tax rates that affect your costs
Twin Falls is significantly cheaper than the national average, making it an attractive option for budget-conscious individuals and families. With a cost index of 78 (where 100 equals the national median), Twin Falls residents can expect to pay median rent of $1,011/month while earning a median household income of $60,760/year.
The median home value in Twin Falls, ID is $279,400, with typical monthly owner costs around $1,077 including mortgage, insurance, and taxes. The median rent-to-income ratio of 20.0% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Idaho has a moderate income tax rate of 5.8%. Combined with a 6.0% sales tax rate and 0.63% effective property tax rate, the overall tax environment is a factor in the total cost of living in Twin Falls.
Common questions about living costs in Twin Falls