Monthly estimate = 1BR rent + electricity + gas
A one-person monthly baseline (1BR rent plus typical utilities) runs $970 in Idaho Falls, ID versus $1,500 in Nashville, TN. Overall, Idaho Falls, ID is roughly 35% cheaper to live in day-to-day than Nashville, TN, driven mainly by rent.
Median household income is $69,630 in Idaho Falls, ID and $75,197 in Nashville, TN — about 7% higher in Nashville, TN. Idaho has a top state income tax rate of 5.30% and a 6% state sales tax; Tennessee has no state income tax and a 7% state sales tax.
Rent
Buying a Home
Income
People & Lifestyle
Crime (per 100k/yr)
FBI Crime Data Explorer. Offenses per 100,000 residents per year; agency reporting practices vary, so this is approximate.
Climate
Gas
Area: Rocky Mountain (PADD 4) vs Midwest (PADD 2).
Public Transit
Adult base one-way fare — — vs WeGo Public Transit (2026).
Utilities
Residential, state-level averages (EIA). MCF = 1,000 cubic feet.
Groceries
Average prices — West vs South (BLS). Regional where available, otherwise U.S. average.
State Taxes
Idaho Falls vs Nashville — FAQ
- Is it cheaper to live in Idaho Falls or Nashville?
- Idaho Falls, ID is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 35% below Nashville, TN's $1,500, mainly because of rent.
- How much more do you need to earn to live in Idaho Falls than in Nashville?
- To keep rent near the recommended 30% of gross income, you'd want to earn roughly $33,000 a year in Idaho Falls versus $53,000 in Nashville.
- Which has lower taxes, Idaho Falls or Nashville?
- Idaho Falls is taxed under Idaho's rules (a top state income tax rate of 5.30% and a 6% state sales tax); Nashville under Tennessee's (no state income tax and a 7% state sales tax).
Sources: US Census Bureau, ACS 5-Year (rent, income, home value, demographics); NOAA Climate Normals 1981–2010 (climate); EIA weekly retail (gas); Tax Foundation 2026 (state taxes).