Illinois vs New Mexico
Side-by-side cost of living comparison.
State Taxes
Sales Tax
6.25%
4.875%
+1.4 pp in Illinois
Income Tax (top rate)
4.95%
5.90%
+1.0 pp in New Mexico
Housing (median across tracked cities)
Median 1BR Rent
$1,258
$889
+29% in Illinois
Median Home Value
$315,200
$266,700
+15% in Illinois
Income (median across tracked cities)
Median Household Income
$75,134
$65,604
+13% in Illinois
Climate (median across tracked cities)
Avg Annual Temperature
52.7°F
57.2°F
+4.5°F in New Mexico
Housing, income, and climate are medians across the 1/1 cities we track in Illinois/New Mexico — 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.