Median rent is 16% lower in Killeen ($1,208/mo vs $1,440/mo). Buying is cheaper in Killeen, where the median home runs $215,400 versus $334,100. Households earn more in Chicago ($77,902 vs $60,977 a year). Taken together, Killeen is the more affordable choice with a cost index of 91.5 against 102.5 — about 11% lower overall prices. After adjusting income for local prices, a typical paycheck stretches further in Chicago, IL.
Cost of living verdict
Killeen is 11% cheaper overall
Cost of Living Index: 91.5 in Killeen vs 102.5 in Chicago (US national average = 100)
City A
Chicago, IL
City B
Killeen, TX
How much would you need to earn in Killeen, TX to maintain your standard of living from Chicago, IL?
Equivalent salary in Killeen, TX
$66,935
You could earn $8,065 less (11% lower) and break even.
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
Killeen
Texas
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
Median rent is modestly lower in Killeen at $1,208/mo compared to $1,440/mo in Chicago (16% gap). Home buyers face a steeper market in Chicago: the median home is $334,100 versus $215,400 in Killeen — 36% more expensive.
Metric
Chicago
Killeen
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
Killeen
Income tax: N/A
Sales tax: N/A
Air quality data is available for Chicago (avg AQI 31.0) but not yet for Killeen.
Pick Killeen if you prioritize lower overall cost of living (index 91.5 vs 102.5).
Pick Chicago if you prioritize higher median household income ($77,902/yr).
Pick Killeen if you prioritize cheaper rent ($1,208/mo median).
Killeen is cheaper overall, with a cost of living index of 91.5 versus 102.5 (US average = 100). That means prices run about 11% lower in Killeen.
Median rent is $1,440/mo in Chicago, IL and $1,208/mo in Killeen, TX. Killeen, TX has the lower rent by about 16%.
Median household income is $77,902 in Chicago, IL and $60,977 in Killeen, TX. Chicago, IL 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.
To maintain the same purchasing power, a salary of $100,000 in Chicago, IL is equivalent to roughly $89,246 in Killeen, TX (using the BEA Regional Price Parity ratio). Use the salary calculator above for any income amount.
Data last updated: June 1, 2026 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology
