C+
13%
Overall NAT. AVG.
2%
Groceries NAT. AVG.
42%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Carol Stream Illinois National
Cost of living11398100
Groceries102100100
Health care101100100
Housing14295100
Transportation100101100
Utilities10299100
Lifestyle & Entertainment102100100
Household Items98100100
Education & Childcare98100100
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An Overview of Cost of Living in Carol Stream, IL

The cost of living in Carol Stream affects the quality of life one can afford in this new location. It allows people to assess whether they can maintain their preferred lifestyle, including housing, leisure activities and dining options. Your total monthly expenditures can varry depending on the area, as well as many other factors. The cost of living in Carol Stream is 113, which is 13% higher than the national average. Knowledge of the cost of living can help individuals make informed decisions about retirement savings, investments, and financial goals.

Housing costs make up a big chunk of the cost of living in Carol Stream, and they usually eat into a large part of your take-home pay. Unfortunately, in this area, both buying a home and renting one costs 42.1% more than the average city. This includes stuff like home prices, rent, mortgage rates, and insurance.

Is Carol Stream Affordable?

Wondering if Carol Stream is affordable? It's a question that often comes up when you're thinking about a new city since affordability can really shape your decisions. The cost of living index (covered earlier), housing expenses and income levels all play a part in the affordability equation. In Carol Stream, for example, the median home price is 45.2% higher than what folks pay nationally, and monthly rent is 35% higher than the usual rates. Plus, income levels matter too, with Carol Stream boasting a median household income of $132,302, which is 62.7% higher than the national average.

What Factors can Influence the Cost of Living in Carol Stream?

Taxes: Cities that impose higher taxes, including sales and income taxes, can contribute to an escalated cost of living. The added expense of taxes on everyday goods like clothing and food naturally results in higher overall costs. Similarly, a higher income tax rate can further elevate the cost of living. In Carol Stream, the general sales tax rate starts at 6.25%, and income tax rates begin at 4.95%.

Utilities: Similar to the prices of any goods or services, utility expenses can fluctuate widely, contingent on variables such as climate, available energy sources, geographical location and state regulations. Costs associated with electricity, water, heating, and waste disposal can differ in magnitude, depending on the specific city or state. In Carol Stream, the utilities index registers at 2.1% higher than the national average.

Healthcare: Healthcare expenses and insurance premiums can vary significantly depending on the specific city or state. Factors such as accessibility to healthcare facilities, out-of-pocket expenses for doctor's visits, dental care expenses, prescription costs and specialized medical care fees can all influence the overall cost of living. In Carol Stream, healthcare costs are 1.1% higher than the national average.

Where is the Data From?

The Carol Stream cost of living data displayed above uses a U.S. average baseline of 100 to provide a practical way to compare living expenses across cities. Housing estimates incorporate U.S. Census home price and rental data, while all other values are generated using AI-assisted models based on everyday expense expectations, regional pricing trends, climate, transportation patterns, and local economic conditions. These values are designed for directional city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Carol Stream is 15% higher than the Illinois average
  • The cost of living in Carol Stream is 13% higher than the national average
  • Carol Stream housing is 42% higher than the national average
  • Illinois general sales tax is 22% higher than the national average
  • Illinois state income tax is 91% higher than the national average

Most Affordable Places to Live in and Around Carol Stream

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Compare Carol Stream, IL Cost of Living

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      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$155,624$12,969$3,631$4,669
      Renters$90,366$7,531$2,108$2,711
      A good way to judge both the affordability of the housing and the cost of living in Carol Stream is by simply calculating the maximum that should be spent on housing, otherwise known as the debt-to-income ratio (DTI). The plan is to avoid spending more than 28 percent of the gross income on costs that pertain to housing and no more than 36 percent on all expenses and debts. Carol Stream has a median income of about $155,624 for people who own homes. Based on that number, a maximum of $3,631 should be spent on expenses related to housing. Renters have a slightly different median income, which is $90,366. Based on this average, renters should spend no more than $2,108 on all rental costs if they want to maintain a non-impoverished standard of living.

      Illinois Sales Tax

      State General Sales Tax With Max Surtax
      Illinois 6.25% 10.25%

      Illinois Income Tax

      State Income Tax (Low) Income Tax (High)
      Illinois 4.95% 4.95%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Hodgkins, IL1,8178316.9%
      Maywood, IL23,986963.6%
      Broadview, IL7,841990.9%
      Bellwood, IL19,287991.0%
      Berkeley, IL5,2661000.2%
      Carol Stream, IL40,50011313.0%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      New Tecumseth, ON40,488n/a 
      Spruce Grove, AB40,533n/a 
      Royal Palm Beach, FL40,43012121.3%
      Duncanville, TX40,3971000.3%
      Milton, GA40,38914544.8%
      Carol Stream, IL40,50011313.0%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.