Median rent is 46% lower in Kansas City ($1,238/mo vs $2,313/mo). Buying is cheaper in Kansas City, where the median home runs $242,900 versus $906,700. Households earn more in San Diego ($108,077 vs $69,166 a year). Taken together, Kansas City is the more affordable choice with a cost index of 93.2 against 110.7 — about 16% lower overall prices. After adjusting income for local prices, a typical paycheck stretches further in San Diego, CA.
Cost of living verdict
Kansas City is 16% cheaper overall
Cost of Living Index: 93.2 in Kansas City vs 110.7 in San Diego (US national average = 100)
City A
Kansas City, MO
City B
San Diego, CA
How much would you need to earn in San Diego, CA to maintain your standard of living from Kansas City, MO?
Equivalent salary in San Diego, CA
$89,113
You'd need $14,113 more (19% higher).
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
Kansas City
Missouri
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 Kansas City — median rent of $1,238/mo versus $2,313/mo in San Diego, a 46% difference. Home buyers face a steeper market in San Diego: the median home is $906,700 versus $242,900 in Kansas City — 73% 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.
Kansas City
Income tax: N/A
Sales tax: N/A
San Diego
Income tax: N/A
Sales tax: N/A
Kansas City has cleaner air on average: 57.0 AQI (Moderate) compared to 59.0 AQI (Moderate) in the other city. Lower AQI means cleaner, healthier air.
Pick Kansas City if you prioritize lower overall cost of living (index 93.2 vs 110.7).
Pick San Diego if you prioritize higher median household income ($108,077/yr).
Pick Kansas City if you prioritize cheaper rent ($1,238/mo median).
Is Kansas City cheaper than San Diego?
Kansas City is cheaper overall, with a cost of living index of 93.2 versus 110.7 (US average = 100). That means prices run about 16% lower in Kansas City.
How much is rent in Kansas City vs San Diego?
Median rent is $1,238/mo in Kansas City, MO and $2,313/mo in San Diego, CA. Kansas City, MO has the lower rent by about 46%.
Which has higher salaries — Kansas City or San Diego?
Median household income is $69,166 in Kansas City, MO 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?
Kansas City, MO has better air quality on average: 57.0 AQI versus 59.0 AQI. Both are EPA AirNow annual averages; lower is better.
Which has lower taxes — Kansas City 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 Kansas City income?
To maintain the same purchasing power, a salary of $100,000 in Kansas City, MO is equivalent to roughly $118,817 in San Diego, CA (using the BEA Regional Price Parity ratio). Use the salary calculator above for any income amount.
Data last updated: December 1, 2026 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology