Total monthly cost of ownership
Cost to Own a Home in Ketchum, Idaho
A $756,000 home here costs
$5,172per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $3,887. The real number is $1,285 higher every month — 33% 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.
Ketchum against Blaine County and Idaho
| Measure | Ketchum | Blaine County |
|---|---|---|
| Median home value | $756,200 | $663,800 |
| Median property tax | $3,955 | $2,563 |
| Effective tax rate | 0.523% | 0.386% |
| Median gross rent | $1,190 | $1,217 |
| Population | 3,551 | 24,579 |
The weather behind that power bill
Ketchum sits in Blaine County, which averages a high of 86.8°F in its hottest month and a low of 7.1°F in its coldest, with 12.97" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 185 cooling and 8,380 heating degree days, which is what sets the $111 electricity line above.
See the full climate breakdown for Blaine County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Blaine County
Common questions
How much does it cost to own a home in Ketchum?
A $756,000 home in Ketchum, Idaho costs approximately $5,172 per month with 20% down at 6.66%. That is $3,887 principal and interest, $329 property tax, $147 homeowners insurance, $179 utilities and $630 set aside for maintenance.
What is the property tax rate in Ketchum?
Ketchum has an effective property tax rate of 0.523%, based on a median home value of $756,200 and median real estate taxes of $3,955. That is higher than the Blaine County average of 0.386%.
What is the average home price in Ketchum?
The median owner-occupied home value in Ketchum, Idaho is $756,200, against $663,800 across Blaine County.
Is it cheaper to rent or buy in Ketchum?
Median gross rent in Ketchum is $1,190 a month, against $5,172 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 Ketchum — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Idaho.
- 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.