Cost to Own
United StatesIllinoisJefferson County FIPS 17081 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Jefferson County, Illinois

A $118,000 home here costs

$1,215

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $607. The real number is $608 higher every month — 100% more than the payment most buyers budget for.

County median: $118,400
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $94,400 borrowed $607
Property tax1.711% effective rate — Jefferson County assessor via Census ACS $168
Homeowners insuranceEstimated at 0.60% of home value per year $59
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $98
Total monthly $1,215

How Jefferson County compares

Jefferson County ranks 214th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 2,919 counties and higher than in 213. Within Illinois it ranks 61st of 102.

Jefferson County 1.711% 104% higher than national
Illinois average 1.831%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureJefferson CountySource
Median home value$118,400ACS B25077
Median real estate taxes paid$2,026ACS B25103
Effective property tax rate1.711%Derived
Median gross rent$862ACS B25064
Occupied housing units14,805ACS B25003
Population36,808ACS B01003
Residential electricity price23.85¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Illinois

Compare the cost of the same home elsewhere in the state.

All 102 counties in Illinois

Questions about owning here

What is the property tax rate in Jefferson County?

The effective property tax rate in Jefferson County, Illinois is 1.711% of home value per year. On the county's median home value of $118,400, that works out to about $2,026 annually, or $169 per month.

How much does it cost to own a home in Jefferson County?

A $118,000 home in Jefferson County, Illinois costs approximately $1,215 per month with 20% down at 6.66%. That breaks down as $607 principal and interest, $168 property tax, $59 insurance, $282 utilities and $98 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $381 a month, which is why the real cost is 100% above the mortgage payment alone.

Is it cheaper to rent in Jefferson County?

Median gross rent in Jefferson County, Illinois is $862 per month, compared with $1,215 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Jefferson County?

Illinois residential electricity averages 23.85¢ per kWh. At the US average household usage of 899 kWh per month, that is about $214. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology