Median rent is 22% lower in Phoenix ($1,582/mo vs $2,030/mo). Buying is cheaper in Phoenix, where the median home runs $420,700 versus $938,600. Households earn more in Seattle ($123,860 vs $81,332 a year). Taken together, Phoenix is the more affordable choice with a cost index of 104.7 against 112.7 — about 7% lower overall prices. After adjusting income for local prices, a typical paycheck stretches further in Seattle, WA.
Cost of living verdict
Phoenix is 7% cheaper overall
Cost of Living Index: 104.7 in Phoenix vs 112.7 in Seattle (US national average = 100)
City A
Phoenix, AZ
City B
Seattle, WA
How much would you need to earn in Seattle, WA to maintain your standard of living from Phoenix, AZ?
Equivalent salary in Seattle, WA
$80,771
You'd need $5,771 more (8% 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
Phoenix
Arizona
Seattle
Washington
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 Phoenix — median rent of $1,582/mo versus $2,030/mo in Seattle, a 22% difference. Home buyers face a steeper market in Seattle: the median home is $938,600 versus $420,700 in Phoenix — 55% 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.
Phoenix
Income tax: N/A
Sales tax: N/A
Seattle
Income tax: N/A
Sales tax: N/A
Phoenix has cleaner air on average: 28.0 AQI (Good) compared to 52.0 AQI (Moderate) in the other city. Lower AQI means cleaner, healthier air.
Pick Phoenix if you prioritize lower overall cost of living (index 104.7 vs 112.7).
Pick Seattle if you prioritize higher median household income ($123,860/yr).
Pick Phoenix if you prioritize cheaper rent ($1,582/mo median).
Pick Phoenix if you prioritize cleaner air quality (avg AQI 28.0).
Is Phoenix cheaper than Seattle?
Phoenix is cheaper overall, with a cost of living index of 104.7 versus 112.7 (US average = 100). That means prices run about 7% lower in Phoenix.
How much is rent in Phoenix vs Seattle?
Median rent is $1,582/mo in Phoenix, AZ and $2,030/mo in Seattle, WA. Phoenix, AZ has the lower rent by about 22%.
Which has higher salaries — Phoenix or Seattle?
Median household income is $81,332 in Phoenix, AZ and $123,860 in Seattle, WA. Seattle, WA 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?
Phoenix, AZ has better air quality on average: 28.0 AQI versus 52.0 AQI. Both are EPA AirNow annual averages; lower is better.
Which has lower taxes — Phoenix or Seattle?
State tax data is not yet available for one or both cities.
What salary do I need in Seattle to match my Phoenix income?
To maintain the same purchasing power, a salary of $100,000 in Phoenix, AZ is equivalent to roughly $107,695 in Seattle, WA (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
