Town32,289 people

O'Fallon, IL

Discover how far your salary goes in O'Fallon. Compare taxes, rent, and living costs.

Cost Index
125
📈 Above Average
Population

32,289

State Tax

5.0%

1BR Rent

$1,463

/month

vs National

+5%

above avg

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Rent Prices in O'Fallon

🏠

Studio

$1,170

/month

$14,040/year

Most Common
🛏️

1 Bedroom

$1,463

/month

$17,556/year

🏡

2 Bedroom

$1,975

/month

$23,700/year

🏘️

3 Bedroom

$2,560

/month

$30,720/year

Taxes in Illinois

State Income Tax

Illinois

5.0%

For a $100k salary, that's ~$4,950/year in state taxes.

Federal Income Tax

Same nationwide

10-37%

Federal taxes use progressive brackets. The more you earn, the higher your marginal rate.

Learn how tax brackets work

Frequently Asked Questions

What is the cost of living in O'Fallon, IL?

O'Fallon has a cost of living index of 125, which is 25% above the national average. A 1-bedroom apartment costs around $1,463/month.

What is the state income tax in Illinois?

Illinois has a state income tax rate of approximately 5.0%. This is in addition to federal income tax.

How much is rent in O'Fallon?

The median rent for a 1-bedroom apartment in O'Fallon is $1,463/month. For a 2-bedroom, expect to pay around $1,975/month. This is 5% above the national average.

Is O'Fallon a good place to live?

O'Fallon is a town with a population of 32,289. The cost of living is above average, making it more expensive than average for the US.

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