Total monthly cost of ownership
Cost to Own a Home in Knoxville, Iowa
A $148,000 home here costs
$1,346per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $761. The real number is $585 higher every month — 77% 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.
Knoxville against Marion County and Iowa
| Measure | Knoxville | Marion County |
|---|---|---|
| Median home value | $147,600 | $211,100 |
| Median property tax | $2,417 | $2,727 |
| Effective tax rate | 1.638% | 1.292% |
| Median gross rent | $810 | $880 |
| Population | 7,493 | 33,551 |
The weather behind that power bill
Knoxville sits in Marion County, which averages a high of 84.6°F in its hottest month and a low of 12.5°F in its coldest, with 37.45" of precipitation a year and 40% of it in a single three-month stretch. That climate drives 950 cooling and 6,416 heating degree days, which is what sets the $127 electricity line above.
See the full climate breakdown for Marion County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Marion County
Common questions
How much does it cost to own a home in Knoxville?
A $148,000 home in Knoxville, Iowa costs approximately $1,346 per month with 20% down at 6.66%. That is $761 principal and interest, $202 property tax, $64 homeowners insurance, $195 utilities and $123 set aside for maintenance.
What is the property tax rate in Knoxville?
Knoxville has an effective property tax rate of 1.638%, based on a median home value of $147,600 and median real estate taxes of $2,417. That is higher than the Marion County average of 1.292%.
What is the average home price in Knoxville?
The median owner-occupied home value in Knoxville, Iowa is $147,600, against $211,100 across Marion County.
Is it cheaper to rent or buy in Knoxville?
Median gross rent in Knoxville is $810 a month, against $1,346 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 Knoxville — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Iowa.
- 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.