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St. Louis, MO-IL

Cost of living in Jersey County, IL

Part of the St. Louis Metro Area

Estimated monthly cost
$3,089/mo
for a single person, all categories combined

Population 21,336 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $984 32%
Federal tax $552 18%
Healthcare $480 16%
Groceries $345 11%
Transport $320 10%
State tax $181 6%
Energy $177 6%
Water $50 2%

Rent in Jersey County

Fair Market Rents by bedroom count.

Studio
$951
per month
1 bedroom
$984
per month
2 bedroom
$1,215
per month
3 bedroom
$1,570
per month
4 bedroom
$1,806
per month

Source: HUD FMR FY2025

Income and earnings in Jersey County

Annual earnings figures from the Census ACS.

Household income
$79,104
per year
Individual earnings
$43,788
per year
Per capita
$38,238
per year

Source: ACS 2019-2023 5-Year.

Home values in Jersey County

Average values reported by homeowners.

Average home value
$168,800
Annual property tax
$2,957

Source: ACS 2019-2023 5-Year

Energy costs in Jersey County

Estimated monthly electricity and gas costs.

Electricity
$116
per month · 16.5¢/kWh
Natural gas
$61
per month
Annual total
$2,124
per year

Source: EIA

Healthcare in Jersey County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
5.3%

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 Jersey County

State and local tax rates for Illinois.

State income tax
5.0%
Flat rate
State sales tax
6.3%
Combined sales tax
8.8%
incl. average local

Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.

Transportation in Jersey County

Commute patterns and estimated costs.

Average commute
26.6 min
Drive alone
76.5%
Public transit
0.3%
Work from home
11.4%

Source: ACS

Monthly cost estimates for Jersey County

What it costs to live in Jersey County each month.

Single person
$3,089
per month
  • Rent $984
  • Energy $177
  • Water $50
  • Groceries $345
  • Transport $320
  • Healthcare $480
  • Federal tax $552
  • State tax $181
Couple
$4,634
per month
  • Rent $1,215
  • Energy $212
  • Water $60
  • Groceries $572
  • Transport $420
  • Healthcare $864
  • Federal tax $965
  • State tax $326
Family
$7,134
per month
  • Rent $1,570
  • Energy $266
  • Water $70
  • Groceries $867
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $965
  • State tax $326

Frequently asked questions about Jersey County

Common questions about cost of living, rent and salary.

What is the average rent in Jersey County?

In Jersey County, IL, a one-bedroom apartment averages $984 per month, a two-bedroom averages $1,215 per month, a three-bedroom averages $1,570 per month, according to HUD Fair Market Rent data.

What is the average salary in Jersey County?

In Jersey County, IL, the average household income is $79,104 per year and individual earnings for full-time workers average $43,788 per year, according to U.S. Census Bureau data.

What is the cost of living in Jersey County?

The estimated cost of living in Jersey County, IL is approximately $3,089 per month for a single person, $4,634 for a couple, $7,134 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Jersey County?

The combined sales tax rate in Jersey County, IL is 8.82%, which includes the Illinois state rate of 6.25% plus an average local rate of 2.57%.

Is Jersey County an affordable place to live?

Based on the data, a single person in Jersey County, IL would need approximately $3,089 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $79,104 per year ($6,592 per month). Jersey County is relatively affordable compared to the national average.

How much does healthcare cost in Jersey County?

The ACA marketplace benchmark premium in Jersey County, IL is approximately $480 per month for an individual. Approximately 5.3% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Jersey County?

The average home value in Jersey County, IL is $168,800, with average annual property taxes of $2,957, according to U.S. Census Bureau data.

How does Jersey County compare to other areas?

You can compare Jersey County, IL with any other US county using our comparison tool at /compare. Jersey County is in the St. Louis, MO-IL metro area.

Other counties in Illinois

Browse the full list of counties in Illinois, ranked by cost of living.

See all counties in Illinois

Compare Jersey County with another area

Put two counties side by side to see how rent, taxes and everyday costs stack up.

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
Methodology All data sources