Total monthly cost of ownership
Cost to Own a Home in Cortland, Illinois
A $204,000 home here costs
$2,127per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,049. The real number is $1,078 higher every month — 103% 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.
Cortland against DeKalb County and Illinois
| Measure | Cortland | DeKalb County |
|---|---|---|
| Median home value | $203,700 | $231,900 |
| Median property tax | $6,536 | $5,889 |
| Effective tax rate | 3.209% | 2.539% |
| Median gross rent | $1,420 | $1,041 |
| Population | 4,556 | 100,512 |
The weather behind that power bill
Cortland sits in DeKalb County, which averages a high of 83.1°F in its hottest month and a low of 13.1°F in its coldest, with 37.25" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 790 cooling and 6,745 heating degree days, which is what sets the $214 electricity line above.
See the full climate breakdown for DeKalb County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in DeKalb County
Full DeKalb County cost breakdown · Every county in Illinois
Common questions
How much does it cost to own a home in Cortland?
A $204,000 home in Cortland, Illinois costs approximately $2,127 per month with 20% down at 6.66%. That is $1,049 principal and interest, $546 property tax, $80 homeowners insurance, $282 utilities and $170 set aside for maintenance.
What is the property tax rate in Cortland?
Cortland has an effective property tax rate of 3.209%, based on a median home value of $203,700 and median real estate taxes of $6,536. That is higher than the DeKalb County average of 2.539%.
What is the average home price in Cortland?
The median owner-occupied home value in Cortland, Illinois is $203,700, against $231,900 across DeKalb County.
Is it cheaper to rent or buy in Cortland?
Median gross rent in Cortland is $1,420 a month, against $2,127 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 Cortland — 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.