A+
11%
Overall NAT. AVG.
2%
Groceries NAT. AVG.
37%
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 Rock Island Illinois National
Cost of living8998100
Groceries102100100
Health care98100100
Housing6395100
Transportation102101100
Utilities9999100
Lifestyle & Entertainment101100100
Household Items102100100
Education & Childcare97100100
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An Overview of Cost of Living in Rock Island, IL

Understanding the cost of living in Rock Island 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 Rock Island cost of living index is 89, which is 11% 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.

Is Rock Island Affordable?

Is Rock Island 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 Rock Island, the median home price is 41.9% lower than the national average and monthly rent prices are 24.9% lower than the typical rates. Additionally, the median income levels play a role in affordability, with Rock Island boasting a median household income of $70,469, 13.4% lower than the national average.

What Factors can Influence the Cost of Living in Rock Island?

Transportation: If public transportation is limited or not available, residents may need to own and maintain vehicles, which can add to the cost of living. Gas, insurance, regular maintenance and potentially lease or finance payments will all need to be paid on a monthly basis. In Rock Island, the transportation index is 1.9% higher than the national average.

Subsidies: Some areas might offer government subsidies or assistance programs that help lower cost of living for residents. These programs can include anything from 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 crop subsidies. Areas that offer less subsidies, could see an increase in their cost of living.

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.

Where is the Data From?

The cost of living data for Rock Island 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 Rock Island is 9% lower than the Illinois average
  • The cost of living in Rock Island is 11% lower than the national average
  • Rock Island housing is 37% 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 Rock Island

See all the best places to live around Rock Island

Compare Rock Island, 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$93,072$7,756$2,172$2,792
      Renters$37,886$3,157$884$1,137
      To approximate the cost of living and the housing affordability in Rock Island, IL, we can look at the percentage of income that is available to be spent on monthly housing, otherwise known as the debt-to-income ratio (DTI). To stay on the safe side, a consumer should not spend more than 28% of his or her gross income on housing-related expenses and costs and not more than 36% of income on all expenses and debts. Homeowners in Rock Island have a median income of $93,072. Therefore, the amount that a consumer should spend on housing costs should be no more than $2,172 per month to avoid calamity and poverty. The renters in the city have an income of about $37,886, which would make their monthly maximum allowable rental costs $884.

      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.
      Rock Island Arsenal, IL3661000.2%
      Oak Grove, IL4457821.6%
      Panorama Park, IA2178614.2%
      Stockton, IA1668613.6%
      Carbon Cliff, IL1,9988911.0%
      Rock Island, IL38,6408910.9%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Dover, DE38,6331011.0%
      Rosenberg, TX38,6481011.2%
      La Presa, CA38,67914443.5%
      Monrovia, CA38,58617675.9%
      Egypt Lake-Leto, FL38,7321044.0%
      Rock Island, IL38,6408910.9%
      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.