Cost of living in Clark County, IL
Population 15,328 · Last updated May 21, 2026
Cost breakdown
Single person, by category, per month.
Rent in Clark County
Fair Market Rents by bedroom count.
Source: HUD FMR FY2025
Income and earnings in Clark County
Annual earnings figures from the Census ACS.
Source: ACS 2019-2023 5-Year.
Home values in Clark County
Average values reported by homeowners.
Source: ACS 2019-2023 5-Year
Energy costs in Clark County
Estimated monthly electricity and gas costs.
Source: EIA
Healthcare in Clark 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 Clark 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 Clark County
Commute patterns and estimated costs.
Source: ACS
Monthly cost estimates for Clark County
What it costs to live in Clark County each month.
- Rent $747
- Energy $177
- Water $50
- Groceries $345
- Transport $320
- Healthcare $480
- Federal tax $532
- State tax $176
- Rent $926
- Energy $212
- Water $60
- Groceries $572
- Transport $420
- Healthcare $864
- Federal tax $826
- State tax $291
- Rent $1,181
- Energy $266
- Water $70
- Groceries $867
- Transport $520
- Healthcare $1,350
- Childcare $1,200
- Federal tax $826
- State tax $291
Frequently asked questions about Clark County
Common questions about cost of living, rent and salary.
What is the average rent in Clark County?
In Clark County, IL, a one-bedroom apartment averages $747 per month, a two-bedroom averages $926 per month, a three-bedroom averages $1,181 per month, according to HUD Fair Market Rent data.
What is the average salary in Clark County?
In Clark County, IL, the average household income is $70,625 per year and individual earnings for full-time workers average $42,602 per year, according to U.S. Census Bureau data.
What is the cost of living in Clark County?
The estimated cost of living in Clark County, IL is approximately $2,827 per month for a single person, $4,171 for a couple, $6,571 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.
What is the sales tax rate in Clark County?
The combined sales tax rate in Clark County, IL is 8.82%, which includes the Illinois state rate of 6.25% plus an average local rate of 2.57%.
Is Clark County an affordable place to live?
Based on the data, a single person in Clark County, IL would need approximately $2,827 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $70,625 per year ($5,885 per month). Clark County is relatively affordable compared to the national average.
How much does healthcare cost in Clark County?
The ACA marketplace benchmark premium in Clark County, IL is approximately $480 per month for an individual. Approximately 4.9% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.
What are house prices in Clark County?
The average home value in Clark County, IL is $123,100, with average annual property taxes of $2,073, according to U.S. Census Bureau data.
How does Clark County compare to other areas?
You can compare Clark County, IL with any other US county using our comparison tool at /compare. Clark 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