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Moving from Illinois to Connecticut

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

IL state flag
Living now

Illinois

Capital: Springfield

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

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

CT state flag
Moving to

Connecticut

Capital: Hartford

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

Wealthy NYC commuter belt, top schools, high taxes.

Connecticut has an overall price level 103.6 (US avg = 100). Housing dominates the difference.

Overall price index
Illinois
100.0
Connecticut
103.6
Connecticut has 3.7% higher overall price level
Housing index
Illinois
93.9
Connecticut
117.0
Connecticut has 25% higher housing costs
Groceries index (modeled)
Illinois
100.0
Connecticut
100.9
Connecticut has 0.9% higher groceries
Utilities index (modeled)
Illinois
100.0
Connecticut
100.5
Connecticut has 0.5% higher utilities
Electricity rate
Illinois
18.9 ¢/kWh
Connecticut
30.5 ¢/kWh
Connecticut has 62% higher electricity
Transportation index (modeled)
Illinois
100.0
Connecticut
100.7
Connecticut has 0.7% higher transportation
Median home value
Illinois
$280,700
Connecticut
$396,900
Connecticut is 41% more expensive to buy a home
Median monthly rent
Illinois
$1,169/mo
Connecticut
$1,275/mo
Connecticut is 9.1% more expensive to rent

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

Summer high 84°F · Winter low 19°F · 194 sunny days/yr.

Avg summer high
Illinois
85°F
Connecticut
84°F
Connecticut is 1.2% less summer highs
Avg winter low
Illinois
19°F
Connecticut
19°F
Avg annual temperature
Illinois
52°F
Connecticut
50°F
Connecticut is 4.8% less annual temperature
Sunny days / year
Illinois
189
Connecticut
194
Connecticut has 2.6% higher sunny days
Annual precipitation
Illinois
40 in
Connecticut
50 in
Connecticut is 26% more annual precipitation
Air quality (live AQI)
Illinois
40
Connecticut
25
Connecticut has 38% lower AQI
Snow / year
Illinois
19 in
Connecticut
39 in
Connecticut is 105% more annual snowfall

Get the full IllinoisConnecticut 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 Connecticut than Illinois?

Connecticut's overall price level is roughly 108.4 (US avg = 100), vs about 99.4 for Illinois — 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?

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

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

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

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