A+
2%
Overall NAT. AVG.
1%
Groceries NAT. AVG.
8%
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 DeKalb Illinois National
Cost of living9898100
Groceries101100100
Health care99100100
Housing9295100
Transportation102101100
Utilities10099100
Lifestyle & Entertainment101100100
Household Items102100100
Education & Childcare96100100
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An Overview of Cost of Living in DeKalb, IL

Understanding the cost of living in DeKalb can help future residents assess whether their current financial situation aligns with the expenses they will encounter. It enables them to plan for potential changes in their budget and lifestyle. The DeKalb cost of living index is 98, which is 2% lower than the national average. The cost of living index is calculated by taking into account multiple categories, which encompass both the cost of everyday expenditures and larger expenses as well.

The cost of living in DeKalb 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. DeKalb 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.

What Do Locals Say About the Cost of Living in DeKalb?

The real experts on a city are its residents. That's why we reached out to 7 locals to get their views on the cost of living in DeKalb. We surveyed the residents and asked them if they felt like prices were affordable or out of reach. The results were as follows. 71% found it budget-friendly with decreasing prices, while 29% said it's simply not affordable as prices have continued to rise.

Is DeKalb Affordable?

Wondering if DeKalb 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 DeKalb, for example, the median home price is 7.9% lower than what folks pay nationally, and monthly rent is 7.8% lower than the usual rates. Plus, income levels matter too, with DeKalb boasting a median household income of $66,859, which is 17.8% lower than the national average.

What Factors can Influence the Cost of Living in DeKalb?

Subsidies: Certain cities or states may implement government subsidies or assistance programs with the goal of alleviating the cost of living pressures on their residents. These programs encompass a broad spectrum of support mechanisms, including Medicare, Medicaid, housing subsidies, low-income home energy assistance programs, school lunch programs, supplemental nutrition assistance programs, student loans, electric vehicle tax credits, affordable care act subsidies and farming subsidies. Areas offering fewer subsidies may experience a rise in their cost of living.

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 DeKalb, the groceries index is 0.6% higher than the national average.

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.

Where is the Data From?

The DeKalb cost of living data above is designed around a U.S. average baseline of 100, allowing for easy comparisons of relative living costs. Housing incorporates U.S. Census home price and rental data, while all other figures are AI-assisted estimates that account for regional price trends, climate, transportation dynamics, and common everyday expenses. These values are best used as directional city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in DeKalb is 1% lower than the Illinois average
  • The cost of living in DeKalb is 2% lower than the national average
  • DeKalb housing is 8% lower 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 DeKalb

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Compare DeKalb, IL Cost of Living

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      Utilities index
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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$129,407$10,784$3,019$3,883
      Renters$42,499$3,542$992$1,275
      The affordability of the housing market in DeKalb, IL as well as the overall cost of living can be predicted by what percent of the monthly income is spent on housing related costs. This is konwn as the debt-to-income ratio (DTI). The overall rule of thumb is that no more than 28% of your gross income should be spent on the overall costs related to housing and no more than 36% of gross income on all expenses and debts. Among DeKalb homeowners, the median income is $129,407. This indicates that a monthly maximum of $3,019 should be spent by homeowners on all housing related costs. Renters have a median income of $42,499. This indicates that renters would have a maximum of $992 for their rent related monthly costs.

      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.
      Steward, IL364928.4%
      Monroe Center, IL3989010.2%
      Lee, IL390927.6%
      Creston, IL553937.5%
      Shabbona, IL971954.8%
      DeKalb, IL44,075982.2%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Rocky View County, AB44,056n/a 
      North Miami Beach, FL44,0341088.3%
      Brentwood, TN44,02516666.4%
      Edmonds, WA44,02315959.5%
      Fond du Lac, WI44,014918.7%
      DeKalb, IL44,075982.2%
      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.