A-
1%
Overall NAT. AVG.
5%
Goods & Services NAT. AVG.
11%
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 Oak Forest Illinois National
Cost of living10198100
Goods & Services9598100
Groceries102100100
Health care106102100
Housing11195100
Transportation100102100
Utilities9298100
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An Overview of Cost of Living in Oak Forest, IL

The cost of living in Oak Forest 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 Oak Forest is 101, which is 1% higher than the national average. Knowledge of the cost of living can help individuals make informed decisions about retirement savings, investments, and financial goals.

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, goods and services, 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 an affordable place to live? It's a good question and one that you might want to ask when considering any new city, as affordability can play a huge role in the decision making process. The cost of living index (which we covered above), as well as housing costs and income levels play a vital role in determining the affordability of an area. The median home price in Oak Forest is 9.4% higher than the national average, while the average monthly rent prices are 14.5% higher than average. The affordability of any location can also be influenced by median income levels. Oak Forest has a median household income of $116,456, which is 43.2% higher than the national average.

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

Groceries: Grocery prices have seen substantial hikes in the last 2-3 years, with some markets witnessing food cost increases of over 20% during this period. Conversely, certain markets have experienced only moderate upticks. These variations in food expenses can have a substantial impact on the overall cost of living in any locality. In Oak Forest, the groceries index is 1.5% higher than the national average.

Urbanization: Larger, urban hubs brimming with ample amenities and robust employment opportunities often showcase a heightened cost of living. This surge is primarily attributed to the amplified demand for services and increased residential migration, culminating in elevated home prices and elevated rental rates. Conversely, less densely populated rural locales or regions characterized by reduced demand tend to offer a more limited array of amenities and undergo slower job market growth, ultimately yielding a more affordable cost of living.

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 Oak Forest, the transportation index is 0.2% higher than the national average.

Where is the Data From?

The Oak 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 Oak Forest is 4% higher than the Illinois average
  • The cost of living in Oak Forest is 1% 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

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      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$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%

      Goods & Services

      Item Oak Forest National avg. Difference
      Haircut $34.68$27.6225.6%
      Beauty Salon $49.26$51.113.6%
      Toothpaste $4.20$4.092.6%
      Shampoo $1.57$1.541.8%
      Movie $13.38$12.883.9%
      Yoga $19.19$19.662.4%

      Groceries

      Item Oak Forest National avg. Difference
      Ground Beef $7.75$7.700.6%
      Fried Chicken $1.55$1.666.8%
      Milk $4.91$4.733.7%
      Potatoes $5.39$5.262.5%
      Pizza $12.49$12.762.1%
      Beer $10.64$10.550.9%

      Health Care

      Item Oak Forest National avg. Difference
      Optometrist $172.44$140.0623.1%
      Doctor $185.97$153.8220.9%
      Dentist $118.42$123.153.8%
      Ibuprofen $11.87$11.731.2%
      Lipitor $22.73$23.613.7%

      Housing

      Item Oak Forest National avg. Difference
      Home Price $357,389.00$326,622.009.4%
      Avg. Mortgage Payment $1,634.41$2,480.2534.1%
      Apartment Rent $1,654.00$1,444.0014.5%

      Transportation

      Item Oak Forest National avg. Difference
      Gasoline $3.16$3.063.6%
      Tire Balancing $60.21$65.217.7%

      Utilities

      Item Oak Forest National avg. Difference
      All Electricity $188.19$220.1214.5%
      Phone $201.97$195.713.2%
      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.
      Hodgkins, IL1,8178713.0%
      Ford Heights, IL2,8018712.5%
      Phoenix, IL1,4509010.0%
      Dixmoor, IL3,663918.7%
      Harvey, IL24,931918.6%
      Oak Forest, IL28,1441011.3%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Millville, NJ28,1341010.7%
      Bergenfield, NJ28,18614343.2%
      Gladstone, MO28,1018910.6%
      Horn Lake, MS28,1968712.6%
      Erie, CO28,20115453.6%
      Oak Forest, IL28,1441011.3%
      Date & Last Updated: This data reflects 2025 and was released from C2ER in January, 2026; this is the most current data available.