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Moving from Connecticut to Illinois

A side-by-side comparison drawn from BLS, BEA, Census, FBI, and NOAA. Wealthy NYC commuter belt, top schools, high taxes. vs. Chicago global city, second-highest property taxes in US.

CT state flag
Living now

Connecticut

Capital: Hartford

Median household income $90,213 · winter low 19°F · 194 sunny days

Wealthy NYC commuter belt, top schools, high taxes.

IL state flag
Moving to

Illinois

Capital: Springfield

Median household income $78,433 · winter low 19°F · 189 sunny days

Chicago global city, second-highest property taxes in US.

Illinois has an overall price level 100.0 (US avg = 100). Housing dominates the difference.

Overall price index
Connecticut
103.6
Illinois
100.0
Illinois has 3.5% lower overall price level
Housing index
Connecticut
117.0
Illinois
93.9
Illinois has 20% lower housing costs
Groceries index (modeled)
Connecticut
100.9
Illinois
100.0
Illinois has 0.9% lower groceries
Utilities index (modeled)
Connecticut
100.5
Illinois
100.0
Illinois has 0.5% lower utilities
Electricity rate
Connecticut
30.5 ¢/kWh
Illinois
18.9 ¢/kWh
Illinois has 38% lower electricity
Transportation index (modeled)
Connecticut
100.7
Illinois
100.0
Illinois has 0.7% lower transportation
Median home value
Connecticut
$396,900
Illinois
$280,700
Illinois is 29% cheaper to buy a home
Median monthly rent
Connecticut
$1,275/mo
Illinois
$1,169/mo
Illinois is 8.3% cheaper to rent

Sources: NOAA Climate Normals · EPA AirNow (live) state-level

Summer high 85°F · Winter low 19°F · 189 sunny days/yr.

Avg summer high
Connecticut
84°F
Illinois
85°F
Illinois is 1.2% more summer highs
Avg winter low
Connecticut
19°F
Illinois
19°F
Avg annual temperature
Connecticut
50°F
Illinois
52°F
Illinois is 5.0% more annual temperature
Sunny days / year
Connecticut
194
Illinois
189
Illinois has 2.6% lower sunny days
Annual precipitation
Connecticut
50 in
Illinois
40 in
Illinois is 20% less annual precipitation
Air quality (live AQI)
Connecticut
25
Illinois
40
Illinois has 60% higher AQI
Snow / year
Connecticut
39 in
Illinois
19 in
Illinois is 51% less annual snowfall

Get the full ConnecticutIllinois report

Schools, healthcare, taxes, transportation, lifestyle, crime, family fit, move logistics, AI assistant, and 90-day timeline.

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Frequently asked

Is it cheaper to live in Illinois than Connecticut?

Illinois's overall price level is roughly 99.4 (US avg = 100), vs about 108.4 for Connecticut — based on BEA Regional Price Parities. Housing is the dominant driver of the difference. Run a comparison for the full, current breakdown.

What's the income tax difference?

Connecticut tops out at 6.99% income tax. Illinois tops out at 4.95%.

How long do I have to register my vehicle in Illinois?

Most Illinois residents must register a vehicle within 30-60 days of moving. Check the piomover report for state-specific deadlines.

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