Cost of Living in Rock Island County, IL

Modeled annual cost: $43,203.

Median family income: $87,207.

Affordability Snapshot

IL County Median

$46,460

State Rank

100thMost expensive counties in IL out of 102See Illinois county rankings

Median Income

$87,207

Location Type

Metro

Biggest category:

Transport is the biggest expense in Rock Island County, IL.

$11,824 per year.

Cost breakdown

Total

$43,203

Per year

  • Transport:$11,824
  • Taxes:$8,625
  • Housing:$8,094
  • Healthcare:$6,780
  • Food:$4,096
  • Other Costs:$3,785
  • Childcare:$0

* Percentages may not add up to 100% due to rounding.

Cheaper counties in Illinois

1Calhoun County, IL
$41,222
2Morgan County, IL
$42,968

Popular comparisons in Illinois

See how Rock Island County, IL compares across the country.

Explore our cost of living interactive map to compare Rock Island County, IL with multiple counties in the United States.

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Cost of Living in Rock Island County, IL (2026)