Cost to Own
United StatesIllinoisWilliamson CountyEnergy Population 1,171 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Energy, Illinois

A $139,000 home here costs

$1,333

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

A standard mortgage calculator would have told you $715. The real number is $619 higher every month — 87% more than the payment most buyers budget for.

Energy median: $138,500
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, $111,200 borrowed $715
Property tax1.434% effective rate for Energy itself $166
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $54
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $116
Total monthly $1,333

Energy against Williamson County and Illinois

MeasureEnergyWilliamson County
Median home value$138,500$145,600
Median property tax$1,986$2,490
Effective tax rate1.434%1.710%
Median gross rent$835$897
Population1,17166,902

The weather behind that power bill

Energy sits in Williamson County, which averages a high of 88.4°F in its hottest month and a low of 24.8°F in its coldest, with 44.01" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 1,370 cooling and 4,460 heating degree days, which is what sets the $214 electricity line above.

See the full climate breakdown for Williamson County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Williamson County

Full Williamson County cost breakdown · Every county in Illinois

Common questions

How much does it cost to own a home in Energy?

A $139,000 home in Energy, Illinois costs approximately $1,333 per month with 20% down at 6.66%. That is $715 principal and interest, $166 property tax, $54 homeowners insurance, $282 utilities and $116 set aside for maintenance.

What is the property tax rate in Energy?

Energy has an effective property tax rate of 1.434%, based on a median home value of $138,500 and median real estate taxes of $1,986. That is lower than the Williamson County average of 1.710%.

What is the average home price in Energy?

The median owner-occupied home value in Energy, Illinois is $138,500, against $145,600 across Williamson County.

Is it cheaper to rent or buy in Energy?

Median gross rent in Energy is $835 a month, against $1,333 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Energy — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Illinois.
  • Electricity price — EIA Electric Power Monthly Table 5.6.A.
  • Mortgage rate — Freddie Mac PMMS, refreshed weekly.
  • Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.

Full methodology