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Moving from Illinois to Delaware

A side-by-side comparison drawn from BLS, BEA, Census, FBI, and NOAA. Chicago global city, second-highest property taxes in US. vs. No sales tax, beach towns, corporate registration capital.

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.

DE state flag
Moving to

Delaware

Capital: Dover

Median household income $79,325 · winter low 26°F · 205 sunny days

No sales tax, beach towns, corporate registration capital.

Delaware has an overall price level 99.8 (US avg = 100). Housing dominates the difference.

Overall price index
Illinois
100.0
Delaware
99.8
Housing index
Illinois
93.9
Delaware
102.0
Delaware has 8.6% higher housing costs
Groceries index (modeled)
Illinois
100.0
Delaware
100.0
Utilities index (modeled)
Illinois
100.0
Delaware
100.0
Electricity rate
Illinois
18.9 ¢/kWh
Delaware
17.6 ¢/kWh
Delaware has 6.5% lower electricity
Transportation index (modeled)
Illinois
100.0
Delaware
100.0
Median home value
Illinois
$280,700
Delaware
$371,600
Delaware is 32% more expensive to buy a home
Median monthly rent
Illinois
$1,169/mo
Delaware
$1,153/mo
Delaware is 1.4% cheaper to rent

Sources: NOAA Climate Normals (live) state-level

Summer high 86°F · Winter low 26°F · 205 sunny days/yr.

Avg summer high
Illinois
85°F
Delaware
86°F
Delaware is 1.2% more summer highs
Avg winter low
Illinois
19°F
Delaware
26°F
Delaware is 37% more winter lows
Avg annual temperature
Illinois
52°F
Delaware
56°F
Delaware is 6.7% more annual temperature
Sunny days / year
Illinois
189
Delaware
205
Delaware has 8.5% higher sunny days
Annual precipitation
Illinois
40 in
Delaware
46 in
Delaware is 15% more annual precipitation
Air quality (est. AQI)
Illinois
40
Delaware
42
Delaware has 5.0% higher AQI
Snow / year
Illinois
19 in
Delaware
13 in
Delaware is 32% less annual snowfall

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Frequently asked

Is it cheaper to live in Delaware than Illinois?

Delaware's overall price level is roughly 100.5 (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. Delaware tops out at 6.6%.

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

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

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