Monthly estimate = 1BR rent + electricity + gas
A one-person monthly baseline (1BR rent plus typical utilities) runs $1,260 in Boise, ID versus $1,060 in Louisville, KY. Overall, Louisville, KY is roughly 16% cheaper to live in day-to-day than Boise, ID, driven mainly by rent.
Median household income is $81,308 in Boise, ID and $64,731 in Louisville, KY — about 20% higher in Boise, ID. Idaho has a top state income tax rate of 5.30% and a 6% state sales tax; Kentucky has a top state income tax rate of 3.50% and a 6% 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 TARC (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
Boise vs Louisville — FAQ
- Is it cheaper to live in Boise or Louisville?
- Louisville, KY is cheaper. Its monthly baseline of $1,060 (1BR rent + utilities) runs about 16% below Boise, ID's $1,260, mainly because of rent.
- How much more do you need to earn to live in Boise than in Louisville?
- To keep rent near the recommended 30% of gross income, you'd want to earn roughly $45,000 a year in Boise versus $35,000 in Louisville.
- Which has lower taxes, Boise or Louisville?
- Boise is taxed under Idaho's rules (a top state income tax rate of 5.30% and a 6% state sales tax); Louisville under Kentucky's (a top state income tax rate of 3.50% and a 6% 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).