Cost to Own
United StatesIllinoisMadison CountyTroy Population 10,889 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Troy, Illinois

A $241,000 home here costs

$2,248

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

A standard mortgage calculator would have told you $1,239. The real number is $1,009 higher every month — 81% more than the payment most buyers budget for.

Troy median: $240,800
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, $192,800 borrowed $1,239
Property tax2.148% effective rate for Troy itself $431
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $94
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $201
Total monthly $2,248

Troy against Madison County and Illinois

MeasureTroyMadison County
Median home value$240,800$167,900
Median property tax$5,172$3,232
Effective tax rate2.148%1.925%
Median gross rent$1,060$969
Population10,889264,631

The weather behind that power bill

Troy sits in Madison County, which averages a high of 90.2°F in its hottest month and a low of 24.3°F in its coldest, with 43.36" of precipitation a year and 34% of it in a single three-month stretch. That climate drives 1,579 cooling and 4,209 heating degree days, which is what sets the $214 electricity line above.

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

Other cities in Madison County

Full Madison County cost breakdown · Every county in Illinois

Common questions

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

A $241,000 home in Troy, Illinois costs approximately $2,248 per month with 20% down at 6.66%. That is $1,239 principal and interest, $431 property tax, $94 homeowners insurance, $282 utilities and $201 set aside for maintenance.

What is the property tax rate in Troy?

Troy has an effective property tax rate of 2.148%, based on a median home value of $240,800 and median real estate taxes of $5,172. That is higher than the Madison County average of 1.925%.

What is the average home price in Troy?

The median owner-occupied home value in Troy, Illinois is $240,800, against $167,900 across Madison County.

Is it cheaper to rent or buy in Troy?

Median gross rent in Troy is $1,060 a month, against $2,248 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 Troy — 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