Median rent is 52% lower in Louisville/Jefferson County ($1,120/mo vs $2,313/mo). Buying is cheaper in Louisville/Jefferson County, where the median home runs $233,900 versus $906,700. Households earn more in San Diego ($108,077 vs $66,849 a year).
City A
Louisville/Jefferson County, KY
City B
San Diego, CA
How much would you need to earn in San Diego, CA to maintain your standard of living from Louisville/Jefferson County, KY?
A cost-of-living index isn't available for one of these cities yet, so we can't compute an equivalent salary.
Based on BEA Regional Price Parity (cost index) for each metro area. This estimates overall purchasing power; it does not account for taxes or take-home pay differences.
Metric
Louisville/Jefferson County
Kentucky
San Diego
California
Population
Median Household Income
Annual
Median Gross Rent
Per month
Median Home Value
Cost of Living Index
US avg = 100
1BR Fair Market Rent
HUD FMR
2BR Fair Market Rent
HUD FMR
3BR Fair Market Rent
HUD FMR
Air Quality Index
Lower = cleaner
Top State Income Tax
Top marginal rate
State Sales Tax
Statewide base rate
Median Age
Years
✓ = better value · Sources: Census ACS, BEA, HUD Fair Market Rents, EPA AirNow, Tax Foundation
Renters will find significantly cheaper housing in Louisville/Jefferson County — median rent of $1,120/mo versus $2,313/mo in San Diego, a 52% difference. Home buyers face a steeper market in San Diego: the median home is $906,700 versus $233,900 in Louisville/Jefferson County — 74% more expensive.
1BR Fair Market Rent
2BR Fair Market Rent
BLS OEWS 2023 — metro-level data
State tax data is not yet available for these cities.
Louisville/Jefferson County
Income tax: N/A
Sales tax: N/A
San Diego
Income tax: N/A
Sales tax: N/A
Louisville/Jefferson County has cleaner air on average: 32.0 AQI (Good) compared to 59.0 AQI (Moderate) in the other city. Lower AQI means cleaner, healthier air.
Pick San Diego if you prioritize higher median household income ($108,077/yr).
Pick Louisville/Jefferson County if you prioritize cheaper rent ($1,120/mo median).
Pick Louisville/Jefferson County if you prioritize cleaner air quality (avg AQI 32.0).
Is Louisville/Jefferson County cheaper than San Diego?
Cost of living index data is not yet available for one or both cities.
How much is rent in Louisville/Jefferson County vs San Diego?
Median rent is $1,120/mo in Louisville/Jefferson County, KY and $2,313/mo in San Diego, CA. Louisville/Jefferson County, KY has the lower rent by about 52%.
Which has higher salaries — Louisville/Jefferson County or San Diego?
Median household income is $66,849 in Louisville/Jefferson County, KY and $108,077 in San Diego, CA. San Diego, CA has the higher median income. Note that BLS occupational wages in the table above show wages for specific jobs.
Which city has better air quality?
Louisville/Jefferson County, KY has better air quality on average: 32.0 AQI versus 59.0 AQI. Both are EPA AirNow annual averages; lower is better.
Which has lower taxes — Louisville/Jefferson County or San Diego?
State tax data is not yet available for one or both cities.
What salary do I need in San Diego to match my Louisville/Jefferson County income?
RPP data needed for salary equivalence calculation is not yet available.
Data last updated: December 1, 2026 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology
