Total monthly cost of ownership
Cost to Own a Home in Rock Falls, Illinois
A $82,000 home here costs
$941per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $40,500 a year.
A standard mortgage calculator would have told you $447. The real number is $494 higher every month, 111% more than the payment most buyers budget for.
Compare Whiteside County with anywhere in America · full county breakdown
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Rock Falls against Whiteside County and Illinois
| Measure | Rock Falls | Whiteside County |
|---|---|---|
| Median home value | $82,400 | $125,800 |
| Median property tax | $2,312 | $2,676 |
| Effective tax rate | 2.806% | 2.127% |
| Median gross rent | $745 | $808 |
| Population | 8,683 | 55,192 |
The weather behind that power bill
Rock Falls sits in Whiteside County, which averages a high of 83.1°F in its hottest month and a low of 12.0°F in its coldest, with 38.28" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 705 cooling and 6,747 heating degree days, which is what sets the $134 electricity line above.
See the full climate breakdown for Whiteside County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Whiteside County
Full Whiteside County cost breakdown · Every county in Illinois
Talk to someone who works this market
These are Rock Falls averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Rock Falls every week. Free, no obligation, and we never sell your details to a list.
I'm looking to buy in Rock Falls I already own here and may sell
Common questions
How much does it cost to own a home in Rock Falls?
A $82,000 home in Rock Falls, Illinois costs approximately $941 per month with 20% down at 7.24%. That is $447 principal and interest, $192 property tax, $32 homeowners insurance, $202 utilities and $68 set aside for maintenance.
What is the property tax rate in Rock Falls?
Rock Falls has an effective property tax rate of 2.806%, based on a median home value of $82,400 and median real estate taxes of $2,312. That is higher than the Whiteside County average of 2.127%.
What is the average home price in Rock Falls?
The median owner-occupied home value in Rock Falls, Illinois is $82,400, against $125,800 across Whiteside County.
Is it cheaper to rent or buy in Rock Falls?
Median gross rent in Rock Falls is $745 a month, against $941 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
What salary do you need to buy a home in Rock Falls?
Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Rock Falls, Illinois at today's rate takes a household income of roughly $40,500 a year. That covers the full $941 monthly cost, not just the mortgage payment.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Rock Falls, 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.