State Comparison

Illinois vs Missouri

Missouri is cheaper overall, while $100 goes further in Missouri, Illinois has higher incomes, and Missouri gets more sunshine.

Illinois flag
Illinois
IL • Midwest
Quality of Life Score
54.60
Missouri flag
Missouri
MO • Midwest
Overall winner
Quality of Life Score
51.23
Illinois flag
Illinois
10 / 29
metrics won
Missouri flag
Missouri
19 / 29
metrics won
Wins
Missouri flag MO wins Housing Missouri flag MO wins Quality of Life Missouri flag MO wins Climate Illinois flag IL wins Income

Quality of Life

Composite score — income, affordability, education, health, and safety.

Illinois flag Illinois winner
54.60
vs
Missouri flag Missouri
51.23
Illinois scores higher on quality of life — 3.37 points difference.

Overview

Key differences overview

These cards keep the comparison factual first, so the biggest tradeoffs in affordability, housing, taxes, politics, climate, and day-to-day living are easy to scan.

Overall Affordability

Missouri is 5.2 points cheaper overall

Missouri has the lower cost-of-living index. Missouri is at 90.0, while Illinois is at 95.2.

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Real Dollar Value

$100 goes $7.92 further in Missouri

After BEA price-level adjustments, $100 has about $112.21 of local buying power in Missouri, versus $104.29 in Illinois.

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Income

Illinois income is 19.0% higher

Illinois has the higher median household income at $78,433, compared with $65,920 in Missouri.

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Jobs

Missouri has the higher minimum wage

Missouri has the higher statewide minimum wage at $15.00/hr, compared with $15.00/hr in Illinois.

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Housing

Illinois homes cost about 1.2x more

Missouri has the lower median home value at $202,500, versus $247,500 in Illinois.

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Taxes

Missouri has lower state income tax

Missouri has the lower state income tax rate. Its top rate is 4.95%, compared with 4.95% in Illinois.

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Take-Home Calculator

What's Your Salary Really Worth?

Enter your gross income to see real purchasing power and the cost-of-living equivalent in both states.

$
$10k$250k$500k
Illinois
Gross salary
State income tax (top rate 5.0%)
After state tax
Real buying power (BEA RPP)
Missouri
Gross salary
State income tax (top rate 5.0%)
After state tax
Real buying power (BEA RPP)

Cost-of-Living Equivalent

* "After state tax" uses the top marginal rate — actual effective rate is lower for most incomes. Real buying power uses BEA Regional Price Parity (97.6 for Illinois, 89.5 for Missouri). COL equivalent uses the MERIC/C2ER composite index.

Tradeoffs

Pros and cons for each state

A fast scan of the biggest advantages and drawbacks pulled from affordability, housing, income, taxes, safety, health, education, jobs, and weather.

Illinois flag

Illinois

At-a-glance strengths and tradeoffs

Pros: Illinois

  • Illinois shows higher median income.
  • Illinois has a lower violent crime rate.
  • Illinois health access/outcomes proxy is higher.
  • Illinois health coverage access proxy is stronger.
  • Illinois education proxy is higher.

Cons

  • Illinois has a higher overall cost of living.
  • Illinois has a higher housing cost index.
  • Illinois has higher median home values.
  • Illinois has higher property tax rates on average.
  • Illinois job growth trend is weaker.
  • Illinois has fewer sunny days.
Missouri flag

Missouri

At-a-glance strengths and tradeoffs

Pros: Missouri

  • Missouri has a lower overall cost of living.
  • Missouri has a lower housing cost index.
  • Missouri has lower median home values.
  • Missouri has lower property tax rates on average.
  • Missouri job growth trend is stronger.
  • Missouri has more sunny days.

Cons

  • Missouri shows lower median income.
  • Missouri has a higher violent crime rate.
  • Missouri health access/outcomes proxy is lower.
  • Missouri health coverage access proxy is weaker.
  • Missouri education proxy is lower.

Full Comparison

Pick a category to focus on. General shows the most important facts at a glance.

Metric Illinois flag IL Missouri flag MO
Capital City
Springfield Jefferson City
State Color
Solid Blue Solid Red
Population
12,812,508
6,154,913
Median Income
$78,433
$65,920
Cost of Living
95.2
90.0
Median Housing Value
$247,500
$202,500
Property Tax
2.01%
0.85%
State Income Tax
4.95%
4.95%
Minimum Wage
$15.00/hr
$15.00/hr
Gas Price
$4.294/gal
$3.559/gal
Electricity Rates
16.36 c/kWh
11.80 c/kWh
Livability Score
54.60
51.23
Average Temperature
51.8°F
54.5°F
Sunny Days
95 days
115 days
Land Area
57,914 sq mi
69,707 sq mi
Population Density
221.2 per sq mi
88.3 per sq mi
Statehood
December 3, 1818 (#21)
August 10, 1821 (#24)

Intent-Oriented

Which state fits your priorities better?

Use these cards as decision shortcuts for common goals like saving money, buying a home, finding better weather, or optimizing for work and family life.

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Saving Money

Missouri is cheaper overall

Overall cost-of-living index: 90.0 vs 95.2 in Illinois. On a national baseline of 100, the lower score usually means cheaper day-to-day expenses.

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Gas Price

Missouri is cheaper at the pump

Average regular gas price: $3.559/gal in Missouri vs $4.294/gal in Illinois. Lower pump prices can cut everyday driving costs.

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Electricity Rates

Missouri has cheaper electricity

Average residential electricity rate: 11.80 c/kWh in Missouri vs 16.36 c/kWh in Illinois. Lower cents-per-kWh pricing can help keep utility bills down.

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Buying a Home

Missouri is more attainable for buyers

Home-value-to-income ratio: 3.07x in Missouri vs 3.16x in Illinois. A lower ratio means the median home is easier to afford on a median income.

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Renting

Missouri is easier for renters

Rent-to-income ratio: 17.8% in Missouri vs 18.8% in Illinois. A lower percentage means rent takes a smaller bite out of a typical household budget.

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Property Tax

Missouri has lower property taxes

Effective property tax rate: 0.85% in Missouri vs 2.01% in Illinois. A lower rate usually means a smaller yearly tax bill relative to home value.

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Dive Deeper

Each link opens a full one-on-one breakdown for that metric — national rankings, charts, and context.

People Also Ask

Illinois vs Missouri - Common Questions

Q Is Illinois cheaper to live in than Missouri?

Missouri has the lower cost of living. On the national index (100 = average), Missouri scores 90.0 versus 95.2 for Illinois - a gap of 5.2 points.

Q Where does $100 go further - Illinois or Missouri?

$100 goes further in Missouri. After BEA regional price adjustments, $100 is worth about $112.21 in Missouri, compared with $104.29 in Illinois.

Q Which state is bigger - Illinois or Missouri?

Missouri is larger, covering 69,707 sq mi compared with 57,914 sq mi for Illinois - roughly 1.2x the size.

Q Does Illinois or Missouri have more people?

Illinois has the larger population at 12,812,508, compared with 6,154,913 in Missouri.

Q Which state has higher household income - Illinois or Missouri?

Illinois has the higher median household income at $78,433, versus $65,920 in Missouri.

Q Is housing cheaper in Illinois or Missouri?

Homes are cheaper in Missouri, where the median home value is $202,500, versus $247,500 in Illinois.

Q Which state is more densely populated - Illinois or Missouri?

Illinois is more densely populated at 221.2 per sq mi people per sq mi. Missouri is more spread out at 88.3 per sq mi people per sq mi.

Methodology

All figures are sourced from U.S. government datasets and updated annually. Page last updated: April 2026.

Core demographic data comes from the 2020 U.S. Census, with land area from U.S. Census Bureau TIGER files and statehood dates from the National Archives. Income, housing, affordability, and tax fields are maintained in our comparison dataset; purchasing-power figures use BEA Regional Price Parities. Minimum wage data comes from the U.S. Department of Labor, gas prices from AAA, and electricity rates from the U.S. Energy Information Administration. Political control and election fields use 2024 presidential results together with National Conference of State Legislatures data. Gun-law labels use the Giffords scorecard, alcohol system data comes from NABCA, and marijuana status uses NCSL's state cannabis laws tracker. See our editorial policy for how we review and update these pages.