Total monthly cost of ownership
Cost to Own a Home in Mount Vernon, Illinois
A $90,000 home here costs
$1,027per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $463. The real number is $565 higher every month — 122% 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.
Mount Vernon against Jefferson County and Illinois
| Measure | Mount Vernon | Jefferson County |
|---|---|---|
| Median home value | $89,700 | $118,400 |
| Median property tax | $2,057 | $2,026 |
| Effective tax rate | 2.293% | 1.711% |
| Median gross rent | $893 | $862 |
| Population | 14,492 | 36,808 |
The weather behind that power bill
Mount Vernon sits in Jefferson County, which averages a high of 85.7°F in its hottest month and a low of 21.7°F in its coldest, with 44.97" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 1,191 cooling and 4,998 heating degree days, which is what sets the $214 electricity line above.
See the full climate breakdown for Jefferson County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Jefferson County
Full Jefferson County cost breakdown · Every county in Illinois
Common questions
How much does it cost to own a home in Mount Vernon?
A $90,000 home in Mount Vernon, Illinois costs approximately $1,027 per month with 20% down at 6.66%. That is $463 principal and interest, $172 property tax, $35 homeowners insurance, $282 utilities and $75 set aside for maintenance.
What is the property tax rate in Mount Vernon?
Mount Vernon has an effective property tax rate of 2.293%, based on a median home value of $89,700 and median real estate taxes of $2,057. That is higher than the Jefferson County average of 1.711%.
What is the average home price in Mount Vernon?
The median owner-occupied home value in Mount Vernon, Illinois is $89,700, against $118,400 across Jefferson County.
Is it cheaper to rent or buy in Mount Vernon?
Median gross rent in Mount Vernon is $893 a month, against $1,027 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 Mount Vernon — 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.