Cost of living in Cass County, IL
Population 12,826 · Last updated May 21, 2026
Cost breakdown
Single person, by category, per month.
Rent in Cass County
Fair Market Rents by bedroom count.
Source: HUD FMR FY2025
Income and earnings in Cass County
Annual earnings figures from the Census ACS.
Source: ACS 2019-2023 5-Year.
Home values in Cass County
Average values reported by homeowners.
Source: ACS 2019-2023 5-Year
Energy costs in Cass County
Estimated monthly electricity and gas costs.
Source: EIA
Healthcare in Cass County
Insurance premiums and coverage rates.
Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.
Taxes in Cass County
State and local tax rates for Illinois.
Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.
Transportation in Cass County
Commute patterns and estimated costs.
Source: ACS
Monthly cost estimates for Cass County
What it costs to live in Cass County each month.
- Rent $786
- Energy $177
- Water $50
- Groceries $345
- Transport $320
- Healthcare $480
- Federal tax $495
- State tax $166
- Rent $870
- Energy $212
- Water $60
- Groceries $572
- Transport $420
- Healthcare $864
- Federal tax $732
- State tax $268
- Rent $1,203
- Energy $266
- Water $70
- Groceries $867
- Transport $520
- Healthcare $1,350
- Childcare $1,200
- Federal tax $732
- State tax $268
Frequently asked questions about Cass County
Common questions about cost of living, rent and salary.
What is the average rent in Cass County?
In Cass County, IL, a one-bedroom apartment averages $786 per month, a two-bedroom averages $870 per month, a three-bedroom averages $1,203 per month, according to HUD Fair Market Rent data.
What is the average salary in Cass County?
In Cass County, IL, the average household income is $64,907 per year and individual earnings for full-time workers average $40,304 per year, according to U.S. Census Bureau data.
What is the cost of living in Cass County?
The estimated cost of living in Cass County, IL is approximately $2,819 per month for a single person, $3,998 for a couple, $6,476 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.
What is the sales tax rate in Cass County?
The combined sales tax rate in Cass County, IL is 8.82%, which includes the Illinois state rate of 6.25% plus an average local rate of 2.57%.
Is Cass County an affordable place to live?
Based on the data, a single person in Cass County, IL would need approximately $2,819 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $64,907 per year ($5,409 per month). Cass County has a moderate cost of living relative to local earnings.
How much does healthcare cost in Cass County?
The ACA marketplace benchmark premium in Cass County, IL is approximately $480 per month for an individual. Approximately 7.3% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.
What are house prices in Cass County?
The average home value in Cass County, IL is $95,500, with average annual property taxes of $2,007, according to U.S. Census Bureau data.
How does Cass County compare to other areas?
You can compare Cass County, IL with any other US county using our comparison tool at /compare. Cass County is in Illinois.
Other counties in Illinois
Browse the full list of counties in Illinois, ranked by cost of living.
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About this data
All figures on this page come from official U.S. government sources, listed below.
- HUD FMR FY2025
- ACS 2019-2023 5-Year
- EIA
- ACS + national avg
- ACS
- USDA + BEA RPP