Illinois vs Missouri
Side-by-side cost of living comparison.
State Taxes
Sales Tax
6.25%
4.225%
+2.0 pp in Illinois
Income Tax (top rate)
4.95%
4.70%
+0.3 pp in Illinois
Housing (median across tracked cities)
Median 1BR Rent
$1,258
$1,031
+18% in Illinois
Median Home Value
$315,200
$227,000
+28% in Illinois
Income (median across tracked cities)
Median Household Income
$75,134
$67,449
+10% in Illinois
Climate (median across tracked cities)
Avg Annual Temperature
52.7°F
56.7°F
+4.0°F in Missouri
Housing, income, and climate are medians across the 1/1 cities we track in Illinois/Missouri — not population-weighted statewide figures. Taxes are exact state-level rates. Sources: US Census Bureau, ACS 5-Year; NOAA Climate Normals 1981–2010; Tax Foundation 2026.