Median rent is 31% lower in Chicago ($1,440/mo vs $2,077/mo). Buying is cheaper in Chicago, where the median home runs $334,100 versus $436,200. Households earn more in King of Prussia ($117,912 vs $77,902 a year).
City A
Chicago, IL
City B
King of Prussia, PA
How much would you need to earn in King of Prussia, PA to maintain your standard of living from Chicago, IL?
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
Chicago
Illinois
King of Prussia
Pennsylvania
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 Chicago — median rent of $1,440/mo versus $2,077/mo in King of Prussia, a 31% difference. Home buyers face a steeper market in King of Prussia: the median home is $436,200 versus $334,100 in Chicago — 23% more expensive.
Metric
Chicago
King of Prussia
Software Developer
Registered Nurse
Elementary Teacher
Electrician
Accountant
Higher wage highlighted · BLS OEWS 2023 (metro-level data)
State tax data is not yet available for these cities.
Chicago
Income tax: N/A
Sales tax: N/A
King of Prussia
Income tax: N/A
Sales tax: N/A
Air quality data is available for Chicago (avg AQI 31.0) but not yet for King of Prussia.
Pick King of Prussia if you prioritize higher median household income ($117,912/yr).
Pick Chicago if you prioritize cheaper rent ($1,440/mo median).
Cost of living index data is not yet available for one or both cities.
Median rent is $1,440/mo in Chicago, IL and $2,077/mo in King of Prussia, PA. Chicago, IL has the lower rent by about 31%.
Median household income is $77,902 in Chicago, IL and $117,912 in King of Prussia, PA. King of Prussia, PA has the higher median income. Note that BLS occupational wages in the table above show wages for specific jobs.
Air quality data is not yet available for one or both cities.
State tax data is not yet available for one or both cities.
RPP data needed for salary equivalence calculation is not yet available.
Data last updated: June 1, 2026 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology
