A-
4%
Overall NAT. AVG.
2%
Groceries NAT. AVG.
11%
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 Oak Forest Illinois National
Cost of living10498100
Groceries102100100
Health care100100100
Housing11195100
Transportation105101100
Utilities10299100
Lifestyle & Entertainment102100100
Household Items98100100
Education & Childcare94100100
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 Oak Forest, IL

Are you thinking about relocating, but curious about the potential cost of living in Oak Forest? Is it more expensive or more affordable than average? Based on the most recent report, the cost of living in Oak Forest stands at 104, making it 4% higher than the national average. The cost of living directly affects the affordability of one's desired lifestyle. Knowing the cost of housing, transportation, groceries and other essentials in the new area allows people to gauge whether they can maintain their preferred standard of living.

The cost of living in Oak Forest 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. Oak Forest 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.

Is Oak Forest Affordable?

Is Oak Forest affordable? This is a pivotal question, especially when mulling over a move, as affordability carries substantial weight in your decision-making process. Factors such as the cost of living index (discussed earlier), housing expenses and income levels all contribute to a location's affordability. For instance, in Oak Forest, the median home price is 9.4% higher than the national average and monthly rent prices are 14.5% higher than the typical rates. Additionally, the median income levels play a role in affordability, with Oak Forest boasting a median household income of $116,456, 43.2% higher than the national average.

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

Utilities: Similar to the prices of any other goods or services, utility expenditures can exhibit substantial variability, influenced by factors such as climate, energy sources accessibility, geographical location and state regulations. Costs related to electricity, water, heating, and waste disposal can fluctuate, whether higher or lower, contingent on the city or state. In Oak Forest, the utilities index is 2.1% higher than the national average.

Urbanization: Urban areas with extensive amenities and job opportunities tend to have a higher cost of living due to increased demand for services and relocation, resulting in higher home prices and higher rents. Less densely populated rural areas, or areas with less demand tend to have fewer amenities and slower job growth, which results in a lower cost of living.

Transportation: In situations where public transportation is limited or nonexistent, local residents may be required to own and maintain their own vehicles, contributing to an elevated cost of living. Monthly expenditures may encompass fuel costs, insurance premiums, routine vehicle upkeep and possibly lease or financing payments. In Oak Forest, the transportation index is 4.8% higher than the national average.

Where is the Data From?

The cost of living estimates displayed for Oak Forest are modeled using a U.S. average baseline of 100, helping provide a useful comparison of local living expenses. Housing calculations include U.S. Census home price and rental data, while all other values are AI-assisted estimates based on regional cost patterns, climate, transportation, and everyday spending expectations. These values are intended for directional comparisons across cities.

Cost Of Living Quick Facts

  • The cost of living in Oak Forest is 6% higher than the Illinois average
  • The cost of living in Oak Forest is 4% higher than the national average
  • Oak Forest housing is 11% 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 Oak Forest

See all the best places to live around Oak Forest

Compare Oak Forest, IL Cost of Living

City Image
    City Default Image
      vs
      How would you rate the cost of living in Oak Forest?
      Write a review to give others more information about this area.
      Is the cost of living increasing or decreasing in Oak Forest?
      Write a review to give others more information about this area.
      See all Oak Forest poll results

      Salary Calculator

      This is how much you would need to earn in
      Price difference in compared to
      Cost of living index
      Groceries index
      Health care index
      Housing index
      Transportation index
      Utilities index
      Lifestyle index
      Household index
      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$134,465$11,205$3,137$4,034
      Renters$73,065$6,089$1,705$2,192
      The percentage of monthly income spent on housing related expenses can help predict the affordability of housing in Oak Forest, IL, as well as what the overall cost of living might be. Generally, a good rule to follow is that the debt-to-income (DTI) level you want to maintain is 28 percent or less of your income on your rent or mortgage payments and not more than 36 percent of income on all expenses and debts. In Oak Forest, homeowners have a median income of $134,465. Using that number, a maximum of $3,137 per month should be allocated to housing expenses. For those who are renting instead of owning, the median income is $73,065, which means there is a maximum of $1,705 to be spent on the costs of renting a home or apartment.

      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%
      Ford Heights, IL2,8018316.6%
      Phoenix, IL1,4508514.6%
      Dixmoor, IL3,6638712.6%
      Harvey, IL24,9318713.2%
      Oak Forest, IL28,1441043.9%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Millville, NJ28,1341066.2%
      Bergenfield, NJ28,18613333.4%
      Gladstone, MO28,101936.5%
      Horn Lake, MS28,1969010.0%
      Erie, CO28,20115353.2%
      Oak Forest, IL28,1441043.9%
      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.