Total monthly cost of ownership
Cost to Own a Home in Herrin, Illinois
A $109,000 home here costs
$1,141per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $560. The real number is $580 higher every month — 104% 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.
Herrin against Williamson County and Illinois
| Measure | Herrin | Williamson County |
|---|---|---|
| Median home value | $109,100 | $145,600 |
| Median property tax | $1,975 | $2,490 |
| Effective tax rate | 1.810% | 1.710% |
| Median gross rent | $1,016 | $897 |
| Population | 12,271 | 66,902 |
The weather behind that power bill
Herrin 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 Herrin?
A $109,000 home in Herrin, Illinois costs approximately $1,141 per month with 20% down at 6.66%. That is $560 principal and interest, $164 property tax, $43 homeowners insurance, $282 utilities and $91 set aside for maintenance.
What is the property tax rate in Herrin?
Herrin has an effective property tax rate of 1.810%, based on a median home value of $109,100 and median real estate taxes of $1,975. That is higher than the Williamson County average of 1.710%.
What is the average home price in Herrin?
The median owner-occupied home value in Herrin, Illinois is $109,100, against $145,600 across Williamson County.
Is it cheaper to rent or buy in Herrin?
Median gross rent in Herrin is $1,016 a month, against $1,141 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 Herrin — 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.