Illinois variant. This is a Illinois-specific version of the Budget Calculator, using pre-defined local figures (tax rates, median home and income values, and typical regional costs). For the full formula, methodology, and FAQ, open the main Budget Calculator.
Building a budget in Illinois starts with the $78,433 median income ($6,536/month) and the local cost of housing - a $270,000 median home and 8.84% combined sales tax.
50/30/20 budget for Illinois
The 50/30/20 rule splits after-tax income into needs (50%), wants (30%), and savings/debt (20%). On $6,536/month gross, that's roughly $3,268 needs, $1,961 wants, $1,307 savings - before adjusting for Illinois taxes.
Factor in Illinois's 4.95% top income tax when converting gross to take-home.
About taxes and housing in Illinois
Illinois applies a single flat income tax rate to all earners, as its constitution prohibits a graduated income tax.
Illinois has among the highest effective property tax rates in the nation, which is a major factor in overall housing costs.
Illinois's economy is anchored by Chicago as a center for finance, transportation, and manufacturing, with agriculture dominant downstate.
Worked example: $78,433 income
$6,536/month → needs $3,268, wants $1,961, savings $1,307. If housing in Illinois exceeds the $3,268 needs cap, trim wants or relocate within the metro.
Quick reference
- State income tax: Flat 4.95%
- State sales tax: 6.25% (plus 2.59% avg local)
- Median home value: $270,000
- Median household income: $78,433
- Effective property tax rate: 2.08%
- Avg auto insurance: $1,652/yr
Frequently Asked Questions
What's a good monthly budget in Illinois?
Anchor to take-home pay using 50/30/20: about $3,268 needs on the median income, adjusted for Illinois taxes.
How much should I save in Illinois?
The 50/30/20 rule targets 20% - roughly $1,307/month on the Illinois median income.