Total monthly cost of ownership
Cost to Own a Home in Onarga, Illinois
A $97,000 home here costs
$1,039per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $499. The real number is $540 higher every month — 108% 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.
Onarga against Iroquois County and Illinois
| Measure | Onarga | Iroquois County |
|---|---|---|
| Median home value | $96,500 | $125,400 |
| Median property tax | $1,658 | $2,449 |
| Effective tax rate | 1.718% | 1.953% |
| Median gross rent | $748 | $793 |
| Population | 1,362 | 26,746 |
The weather behind that power bill
Onarga sits in Iroquois County, which averages a high of 84.8°F in its hottest month and a low of 15.5°F in its coldest, with 38.43" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 892 cooling and 6,047 heating degree days, which is what sets the $214 electricity line above.
See the full climate breakdown for Iroquois County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Iroquois County
Full Iroquois County cost breakdown · Every county in Illinois
Common questions
How much does it cost to own a home in Onarga?
A $97,000 home in Onarga, Illinois costs approximately $1,039 per month with 20% down at 6.66%. That is $499 principal and interest, $139 property tax, $38 homeowners insurance, $282 utilities and $81 set aside for maintenance.
What is the property tax rate in Onarga?
Onarga has an effective property tax rate of 1.718%, based on a median home value of $96,500 and median real estate taxes of $1,658. That is lower than the Iroquois County average of 1.953%.
What is the average home price in Onarga?
The median owner-occupied home value in Onarga, Illinois is $96,500, against $125,400 across Iroquois County.
Is it cheaper to rent or buy in Onarga?
Median gross rent in Onarga is $748 a month, against $1,039 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 Onarga — 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.