Total monthly cost of ownership
Cost to Own a Home in Olathe, Kansas
A $341,000 home here costs
$2,775per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,753. The real number is $1,022 higher every month — 58% 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.
Olathe against Johnson County and Kansas
| Measure | Olathe | Johnson County |
|---|---|---|
| Median home value | $340,600 | $366,000 |
| Median property tax | $4,015 | $4,221 |
| Effective tax rate | 1.179% | 1.153% |
| Median gross rent | $1,314 | $1,385 |
| Population | 143,720 | 614,764 |
The weather behind that power bill
Olathe sits in Johnson County, which averages a high of 87.5°F in its hottest month and a low of 21.2°F in its coldest, with 37.74" of precipitation a year and 39% of it in a single three-month stretch. That climate drives 1,351 cooling and 4,926 heating degree days, which is what sets the $136 electricity line above.
See the full climate breakdown for Johnson County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Johnson County
Common questions
How much does it cost to own a home in Olathe?
A $341,000 home in Olathe, Kansas costs approximately $2,775 per month with 20% down at 6.66%. That is $1,753 principal and interest, $335 property tax, $199 homeowners insurance, $204 utilities and $284 set aside for maintenance.
What is the property tax rate in Olathe?
Olathe has an effective property tax rate of 1.179%, based on a median home value of $340,600 and median real estate taxes of $4,015. That is higher than the Johnson County average of 1.153%.
What is the average home price in Olathe?
The median owner-occupied home value in Olathe, Kansas is $340,600, against $366,000 across Johnson County.
Is it cheaper to rent or buy in Olathe?
Median gross rent in Olathe is $1,314 a month, against $2,775 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 Olathe — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Kansas.
- 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.