Total monthly cost of ownership
Cost to Own a Home in Koontz Lake, Indiana
A $125,000 home here costs
$1,094per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $643. The real number is $452 higher every month — 70% 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.
Koontz Lake against Marshall County and Indiana
| Measure | Koontz Lake | Marshall County |
|---|---|---|
| Median home value | $124,500 | $184,500 |
| Median property tax | $754 | $1,260 |
| Effective tax rate | 0.606% | 0.683% |
| Median gross rent | $687 | $936 |
| Population | 1,217 | 46,225 |
Koontz Lake extends across 2 counties. Figures here use Marshall County, where most of its housing sits.
The weather behind that power bill
Koontz Lake sits in Marshall County, which averages a high of 83.8°F in its hottest month and a low of 16.7°F in its coldest, with 40.26" of precipitation a year and 32% of it in a single three-month stretch. That climate drives 829 cooling and 6,263 heating degree days, which is what sets the $163 electricity line above.
See the full climate breakdown for Marshall County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Marshall County
Full Marshall County cost breakdown · Every county in Indiana
Common questions
How much does it cost to own a home in Koontz Lake?
A $125,000 home in Koontz Lake, Indiana costs approximately $1,094 per month with 20% down at 6.66%. That is $643 principal and interest, $63 property tax, $53 homeowners insurance, $231 utilities and $104 set aside for maintenance.
What is the property tax rate in Koontz Lake?
Koontz Lake has an effective property tax rate of 0.606%, based on a median home value of $124,500 and median real estate taxes of $754. That is lower than the Marshall County average of 0.683%.
What is the average home price in Koontz Lake?
The median owner-occupied home value in Koontz Lake, Indiana is $124,500, against $184,500 across Marshall County.
Is it cheaper to rent or buy in Koontz Lake?
Median gross rent in Koontz Lake is $687 a month, against $1,094 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 Koontz Lake — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Indiana.
- 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.