F
83%
Overall NAT. AVG.
10%
Goods & Services NAT. AVG.
263%
Housing NAT. AVG.
Date & Last Updated: This data reflects 2025 and was released from C2ER in January, 2026; this is the most current data available.
The cost of living index is based on a national average of 100. For example, if the cost of living is 90, then it is 10% lower than average. If the cost of living is 110, then it is 10% higher than average. The breakdown for each index is as follows: goods & services (33%), groceries (13%), health care (5%), housing (30%), transportation (9%) and utilities (10%). If the cost of living data was unavailable for this city, estimates based upon nearby cities were used.
Index Lake Forest Illinois National
Cost of living18398100
Goods & Services11098100
Groceries104100100
Health care116102100
Housing36395100
Transportation104102100
Utilities9598100
Does this Area Fit Your Budget? Local Insights Report
  • Know the community before you call it home
  • Compare multiple areas side by side
  • Access over 300 data points for any address
Local Insights Report

An Overview of Cost of Living in Lake Forest, IL

Getting a feel for the cost of living in Lake Forest 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 Lake Forest is 183, which is 83% 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.

If you value affordability in your search for a new place to live, Lake Forest may not be the most suitable option, as it stands out as one of the priciest areas in the entire United States. Only a small fraction of regions have a cost of living that is more than 20% higher than the national average, and regrettably, Lake Forest falls into this category, which may not align with your desire for an affordable place to call home.

Housing costs make up a big chunk of the cost of living in Lake Forest, 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 263% more than the average city. This includes stuff like home prices, rent, mortgage rates, and insurance.

The things you purchase regularly, like clothes, haircuts, movie tickets and gym memberships, can make a big dent in your budget and make up 33% of the cost of living index. Unfortunately in Lake Forest, these items will cost you 10.2% more than what's considered the norm, making it a more expensive place to call home.

Is Lake Forest Affordable?

Wondering if Lake Forest 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 Lake Forest, for example, the median home price is 345.7% higher than what folks pay nationally, and monthly rent is 70.1% higher than the usual rates. Plus, income levels matter too, with Lake Forest boasting a median household income of $279,550, which is 243.7% higher than the national average.

What Factors can Influence the Cost of Living in Lake Forest?

Urbanization: Larger, urban areas boasting abundant amenities and robust employment prospects often exhibit a heightened cost of living, driven by the increased demand for services and residential relocation. Consequently, this leads to elevated home prices and higher rental rates. In contrast, sparsely populated rural locales or regions marked by diminished demand typically offer a more limited range of amenities and experience slower job market expansion. This translates into a more affordable cost of living.

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 Lake Forest, healthcare costs are 15.8% higher than the national average.

Taxes: Locations with elevated tax rates, encompassing both sales and income taxes, can be a factor in driving up the cost of living. When you're paying more in taxes for everyday goods and services, it naturally translates into higher expenses. Similarly, a higher income tax rate can also contribute to an overall higher cost of living. In Lake Forest, the standard sales tax rate starts at 6.25%, and the income tax rates commence at 4.95%.

Where is the Data From?

The Lake Forest cost of living data displayed above is derived from the C2ER cost of living index to provide a useful and reasonably accurate measure of living cost differences in urban areas. The index takes into account data from 300 independent researches, covering more than 60 goods and services across 6 different categories, to create an overall index for each area, with 100 being the average. The C2ER index does not include sales or income tax rates in their data, however AreaVibes does include both income and sales tax rates in the overall cost of living score for each area.

Cost Of Living Quick Facts

  • The cost of living in Lake Forest is 87% higher than the Illinois average
  • The cost of living in Lake Forest is 83% higher than the national average
  • Lake Forest housing is 263% 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 Lake Forest

See all the best places to live around Lake Forest

Compare Lake Forest, IL Cost of Living

City Image
    City Default Image
      vs
      Compare Neighborhoods & Addresses Local Insights Report

      Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.

      Local Insights Report
      How would you rate the cost of living in Lake Forest?
      Write a review to give others more information about this area.
      Is the cost of living increasing or decreasing in Lake Forest?
      Write a review to give others more information about this area.
      See all Lake Forest poll results

      Salary Calculator

      This is how much you would need to earn in
      Price difference in compared to
      Cost of living index
      Goods & Services index
      Groceries index
      Health care index
      Housing index
      Transportation index
      Utilities index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$313,514$26,126$7,315$9,406
      Renters$107,820$8,985$2,516$3,235
      A good way to judge both the affordability of the housing and the cost of living in Lake Forest 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. Lake Forest has a median income of about $313,514 for people who own homes. Based on that number, a maximum of $7,315 should be spent on expenses related to housing. Renters have a slightly different median income, which is $107,820. Based on this average, renters should spend no more than $2,516 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%

      Goods & Services

      Item Lake Forest National avg. Difference
      Haircut $49.08$27.6277.7%
      Beauty Salon $68.42$51.1133.9%
      Toothpaste $4.13$4.090.9%
      Shampoo $1.56$1.541.2%
      Movie $17.42$12.8835.3%
      Yoga $28.87$19.6646.8%

      Groceries

      Item Lake Forest National avg. Difference
      Ground Beef $7.53$7.702.3%
      Fried Chicken $1.56$1.666.2%
      Milk $4.88$4.733.1%
      Potatoes $5.20$5.261.1%
      Pizza $13.97$12.769.5%
      Beer $10.56$10.550.1%

      Health Care

      Item Lake Forest National avg. Difference
      Optometrist $208.97$140.0649.2%
      Doctor $194.67$153.8226.6%
      Dentist $135.44$123.1510.0%
      Ibuprofen $12.22$11.734.2%
      Lipitor $24.14$23.612.2%

      Housing

      Item Lake Forest National avg. Difference
      Home Price $1,455,632.00$326,622.00345.7%
      Avg. Mortgage Payment $2,929.74$2,480.2518.1%
      Apartment Rent $2,456.00$1,444.0070.1%

      Transportation

      Item Lake Forest National avg. Difference
      Gasoline $3.20$3.064.7%
      Tire Balancing $67.63$65.213.7%

      Utilities

      Item Lake Forest National avg. Difference
      All Electricity $188.44$220.1214.4%
      Phone $213.97$195.719.3%
      Although the cost of living data is updated regularly, this cost of living information is to be used as estimates only as prices can change on an ongoing basis.

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Park City, IL7,8948614.4%
      North Chicago, IL30,865981.5%
      Round Lake Park, IL8,005991.0%
      Waukegan, IL90,0631000.2%
      Round Lake Beach, IL28,3131033.4%
      Lake Forest, IL19,88818383.2%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Huntington, NY19,88817575.2%
      Frankfort, IL19,88612626.2%
      Orinda, CA19,891282181.7%
      Plattsburgh, NY19,892990.9%
      Colchester, Subd. B, NS19,895n/a 
      Lake Forest, IL19,88818383.2%
      Date & Last Updated: This data reflects 2025 and was released from C2ER in January, 2026; this is the most current data available.