B
8%
Overall NAT. AVG.
1%
Groceries NAT. AVG.
30%
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 Grayslake Illinois National
Cost of living10898100
Groceries100100100
Health care101100100
Housing13095100
Transportation98101100
Utilities9999100
Lifestyle & Entertainment97100100
Household Items100100100
Education & Childcare98100100
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An Overview of Cost of Living in Grayslake, IL

Getting a feel for the cost of living in Grayslake is essential for anyone planning to relocate, as it empowers them to make informed financial decisions, secure a comfortable lifestyle and maintain financial stability in their new environment. The cost of living in Grayslake is 108, which is 8% higher than the national average. Relocating individuals may need to adjust their savings and investment strategies based on the cost of living in the new location. It influences decisions about retirement planning, investments and financial goals.

The cost of living in Grayslake aligns closely with the national average when compared to other cities across the nation. Everyday essentials such as groceries, household expenses, health care and utility bills are priced at a level consistent with the average in similar urban areas. Grayslake residents can anticipate that their daily expenses won't be significantly higher than those in an average city, ensuring that the cost of living remains manageable.

Housing costs are a very significant part of the Grayslake cost of living index and generally encompass a large percentage of take-home income. Unfortunately, in this area, the housing costs for both homes and rentals were 29.6% more than the average city. This includes things like home and rent prices, mortgage rates and insurance.

Is Grayslake Affordable?

Is Grayslake an affordable place to live? That's a valid question to ask when you're thinking about moving to a new city. After all, how much it costs to live somewhere can be a huge factor in your decision. Affordability can be broken down into 3 common categories. The cost of living index (we talked about it earlier), housing expenses and income levels all play a big role in figuring out if a place is affordable. For instance, in Grayslake, the median home price is 34.5% higher than what most folks pay across the country, and monthly rent prices are 18.2% higher than the usual rates. Income levels in Grayslake come in at $150,870, which is 85.5% higher than the national average.

What Factors can Influence the Cost of Living in Grayslake?

Taxes: Areas with higher taxes, including sales taxes and income taxes, can contribute to a higher cost of living. Paying more tax for everyday household expenses like clothing and food will result in higher costs, as will paying a higher rate of income tax. The general sales tax rate in Grayslake starts at 6.25% and the income tax rates start at 4.95%.

Housing: When everyone's vying for homes in popular areas, it drives up property prices and rents, making the overall cost of living surge. On the flip side, in less sought-after locales, where housing demand is low, prices tend to dip, resulting in a more economical cost of living. In Grayslake, the housing index comes in at 29.6% higher than the national average.

Transportation: In areas where public transportation is scarce or unavailable, residents often find themselves compelled to own and upkeep vehicles, thereby increasing the overall cost of living. Monthly expenses encompass fuel, insurance, routine maintenance and potentially lease or financing payments. In Grayslake, the transportation index is 1.7% lower than the national average.

Where is the Data From?

The cost of living data for Grayslake shown above is based on a U.S. average baseline score of 100, making it easier to compare how far your dollar may go from one city to another. Housing uses U.S. Census home price and rental data, while all remaining values are AI-assisted estimates informed by regional pricing, climate, transportation dynamics, and local economic factors. These scores are best used for directional comparisons between cities.

Cost Of Living Quick Facts

  • The cost of living in Grayslake is 10% higher than the Illinois average
  • The cost of living in Grayslake is 8% higher than the national average
  • Grayslake housing is 30% 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 Grayslake

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Compare Grayslake, 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$180,226$15,019$4,205$5,407
      Renters$93,124$7,760$2,173$2,794
      A good indicator of the general affordability of housing in Grayslake, IL, is the percentage of monthly income that should be spent on housing expenses, otherwise known as the debt-to-income ratio (DTI). Generally speaking, no more than 28 percent of your total gross income should be spent on your housing expenses and not more than 36 percent of your gross income on total expenses, including debts. In Grayslake, the median monthly income is $180,226 for those who own their own homes. Under the standard rule, that income level would allow for $4,205 to be budgeted for housing expenses each month, at the most. Renters, on the other hand, earn about $93,124, per the median income in the area. That would allow for renters to spend up to $2,173 on monthly rental expenses.

      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.
      Park City, IL7,8948218.2%
      North Chicago, IL30,865955.0%
      Round Lake Park, IL8,005955.3%
      Waukegan, IL90,063964.1%
      Zion, IL24,329963.7%
      Grayslake, IL21,1871088.1%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Esquimalt, BC21,191n/a 
      North Salt Lake, UT21,17812222.2%
      Lockport, NY21,177954.8%
      Forest Lake, MN21,19911413.5%
      Universal City, TX21,174991.4%
      Grayslake, IL21,1871088.1%
      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.