Small Town8,163 people

Oak Brook, IL

Discover how far your salary goes in Oak Brook. Compare taxes, rent, and living costs.

Cost Index
122
📈 Above Average
Population

8,163

State Tax

5.0%

1BR Rent

$1,309

/month

vs National

-6%

below avg

How far would your salary go in Oak Brook?

Enter your income to get a personalized breakdown vs 50+ cities

Calculate Now

Rent Prices in Oak Brook

🏠

Studio

$1,047

/month

$12,564/year

Most Common
🛏️

1 Bedroom

$1,309

/month

$15,708/year

🏡

2 Bedroom

$1,767

/month

$21,204/year

🏘️

3 Bedroom

$2,291

/month

$27,492/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 Oak Brook, IL?

Oak Brook has a cost of living index of 122, which is 22% above the national average. A 1-bedroom apartment costs around $1,309/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 Oak Brook?

The median rent for a 1-bedroom apartment in Oak Brook is $1,309/month. For a 2-bedroom, expect to pay around $1,767/month. This is 6% below the national average.

Is Oak Brook a good place to live?

Oak Brook is a small town with a population of 8,163. The cost of living is above average, making it more expensive than average for the US.

See the complete picture for Oak Brook

Our free calculator shows your exact take-home pay, tax breakdown, and how Oak Brook compares to 50+ other cities.

Calculate My Salary

Free • No signup • 10 seconds