Boston vs Louisville Cost of Living
Louisville is approximately 26.2% cheaper than Boston. See salary equivalence, taxes, and side-by-side breakdown.
Boston, MA
Louisville, KY
| Salary in Boston | Equivalent in Louisville | Difference |
|---|---|---|
| $50,000 | $36,900 | -$13,100 (-26.2%) |
| $75,000 | $55,300 | -$19,700 (-26.3%) |
| $100,000 | $73,800 | -$26,200 (-26.2%) |
| $150,000 | $110,700 | -$39,300 (-26.2%) |
| $200,000 | $147,500 | -$52,500 (-26.3%) |
Boston vs Louisville: which is more affordable?
On an overall cost-of-living basis, Louisville is 26.2% cheaper than Boston. That means if you currently spend $5,000/month in Boston, you'd spend approximately $3,689 for the same lifestyle in Louisville. Or: $100,000 in Boston ≈ $73,770 in Louisville for equivalent purchasing power.
These multipliers are based on Bureau of Economic Analysis Regional Price Parities and reflect average housing, food, transportation, and services costs. Real personal costs vary by neighborhood (urban core vs suburb), housing choice (rent vs own, apartment vs house), and lifestyle (frequency of dining out, car-dependent vs transit, etc.).
Tax differences
Both Massachusetts and Kentucky levy state income taxes (typical effective rate ~5% at middle incomes). Tax burden is roughly comparable.
City local taxes: Boston no local tax vs Louisville 2.20%. On $100K, the difference is roughly $2200/year.
What costs more (and less) in Louisville
Cost of living differences are driven mostly by housing — typically the biggest expense category. Louisville's housing index (0.52×) compared to Boston's (1.10×) is the dominant factor.
Food, groceries, and transportation typically vary 5–15% between metros — much less than housing. For a couple moving from Boston to Louisville, expect roughly:
- Rent / mortgage: -53% lower
- Groceries: -17% lower
- Transportation: -13% lower
- Healthcare, services: roughly proportional to overall index
Things this calculator can't fully capture
- Quality-of-life: weather, walkability, school quality, crime rates, commute times — not in the index.
- Career opportunities: a metro with higher cost-of-living often pays correspondingly higher salaries for the same role. See our salary calculator by job and city.
- Family situation: childcare, school district, eldercare costs vary independently of overall index.
- Lifestyle preferences: a frugal renter pays less than the index suggests; a property owner in a hot market might pay much more.
Related tools
Boston Paycheck Calculator — exact take-home in Boston. Louisville Paycheck Calculator — exact take-home in Louisville. Salary Calculator — hourly ↔ annual conversion. Inflation Calculator — purchasing power over time. Mortgage Calculator — what you can afford.