Total monthly cost of ownership
Cost to Own a Home in Carterville, Illinois
A $184,000 home here costs
$1,696per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $946. The real number is $750 higher every month — 79% 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.
Carterville against Williamson County and Illinois
| Measure | Carterville | Williamson County |
|---|---|---|
| Median home value | $183,500 | $145,600 |
| Median property tax | $2,900 | $2,490 |
| Effective tax rate | 1.580% | 1.710% |
| Median gross rent | $856 | $897 |
| Population | 5,822 | 66,902 |
The weather behind that power bill
Carterville 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 Carterville?
A $184,000 home in Carterville, Illinois costs approximately $1,696 per month with 20% down at 6.66%. That is $946 principal and interest, $242 property tax, $72 homeowners insurance, $282 utilities and $153 set aside for maintenance.
What is the property tax rate in Carterville?
Carterville has an effective property tax rate of 1.580%, based on a median home value of $183,500 and median real estate taxes of $2,900. That is lower than the Williamson County average of 1.710%.
What is the average home price in Carterville?
The median owner-occupied home value in Carterville, Illinois is $183,500, against $145,600 across Williamson County.
Is it cheaper to rent or buy in Carterville?
Median gross rent in Carterville is $856 a month, against $1,696 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 Carterville — 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.