Total monthly cost of ownership
Cost to Own a Home in Trenton, Illinois
A $179,000 home here costs
$1,697per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $920. The real number is $777 higher every month — 84% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Trenton against Clinton County and Illinois
| Measure | Trenton | Clinton County |
|---|---|---|
| Median home value | $179,200 | $180,500 |
| Median property tax | $3,307 | $3,356 |
| Effective tax rate | 1.845% | 1.859% |
| Median gross rent | $912 | $934 |
| Population | 2,673 | 36,899 |
The weather behind that power bill
Trenton sits in Clinton County, which averages a high of 88.3°F in its hottest month and a low of 21.5°F in its coldest, with 45.86" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 1,438 cooling and 4,780 heating degree days, which is what sets the $214 electricity line above.
See the full climate breakdown for Clinton County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Clinton County
Full Clinton County cost breakdown · Every county in Illinois
Common questions
How much does it cost to own a home in Trenton?
A $179,000 home in Trenton, Illinois costs approximately $1,697 per month with 20% down at 6.66%. That is $920 principal and interest, $275 property tax, $70 homeowners insurance, $282 utilities and $149 set aside for maintenance.
What is the property tax rate in Trenton?
Trenton has an effective property tax rate of 1.845%, based on a median home value of $179,200 and median real estate taxes of $3,307. That is lower than the Clinton County average of 1.859%.
What is the average home price in Trenton?
The median owner-occupied home value in Trenton, Illinois is $179,200, against $180,500 across Clinton County.
Is it cheaper to rent or buy in Trenton?
Median gross rent in Trenton is $912 a month, against $1,697 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 Trenton — 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.