Median rent is 29% lower in Chicago ($1,380/mo vs $1,946/mo). Buying is cheaper in Chicago, where the median home runs $315,200 versus $621,700. Households earn more in Castle Rock ($143,031 vs $75,134 a year).
City A
Castle Rock, CO
City B
Chicago, IL
How much would you need to earn in Chicago, IL to maintain your standard of living from Castle Rock, CO?
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 city's metro area. A rough estimate of overall purchasing power, not tax or take-home pay.
Metric
Castle Rock
Colorado
Chicago
Illinois
👥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: US Census ACS, BEA RPP, HUD FMR, EPA AirNow, Tax Foundation
Renters will find significantly cheaper housing in Chicago — median rent of $1,380/mo versus $1,946/mo in Castle Rock, a 29% difference. Home buyers face a steeper market in Castle Rock: the median home is $621,700 versus $315,200 in Chicago — 49% more expensive.
1BR Fair Market Rent
2BR Fair Market Rent
BLS OEWS 2023 — metro-level data
Colorado's top income tax rate is 4.40% versus 4.95% in Illinois, so Castle Rock is more tax-friendly for high earners. Sales tax is 2.90% in Colorado and 6.25% in Illinois; Castle Rock has the lower rate (local add-ons may apply in both).
Castle Rock
Income tax: 4.40%
Sales tax: 2.90%
Chicago
Income tax: 4.95%
Sales tax: 6.25%
Air quality data is available for Chicago (avg AQI 21.0) but not yet for Castle Rock.
Pick Castle Rock if you prioritize higher median household income ($143,031/yr).
Pick Chicago if you prioritize cheaper rent ($1,380/mo median).
Pick Castle Rock if you prioritize lower state income tax (4.40%).
Is Castle Rock cheaper than Chicago?
Cost of living index data is not yet available for one or both cities.
How much is rent in Castle Rock vs Chicago?
Median rent is $1,946/mo in Castle Rock, CO and $1,380/mo in Chicago, IL. Chicago, IL has the lower rent by about 29%.
Which has higher salaries — Castle Rock or Chicago?
Median household income is $143,031 in Castle Rock, CO and $75,134 in Chicago, IL. Castle Rock, CO 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?
Air quality data is not yet available for one or both cities.
Which has lower taxes — Castle Rock or Chicago?
Colorado's top income tax rate is 4.40% and Illinois's is 4.95%. Castle Rock, CO has the lower rate.
What salary do I need in Chicago to match my Castle Rock income?
RPP data needed for salary equivalence calculation is not yet available.
Data last updated: December 1, 2024 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology