Total monthly cost of ownership
Cost to Own a Home in Derry, Pennsylvania
A $122,000 home here costs
$1,139per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $627. The real number is $512 higher every month — 82% 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.
Derry against Westmoreland County and Pennsylvania
| Measure | Derry | Westmoreland County |
|---|---|---|
| Median home value | $122,200 | $193,100 |
| Median property tax | $1,291 | $2,473 |
| Effective tax rate | 1.056% | 1.281% |
| Median gross rent | $593 | $843 |
| Population | 2,616 | 353,345 |
The weather behind that power bill
Derry sits in Westmoreland County, which averages a high of 82.1°F in its hottest month and a low of 20.7°F in its coldest, with 43.94" of precipitation a year and 31% of it in a single three-month stretch. That climate drives 587 cooling and 5,855 heating degree days, which is what sets the $194 electricity line above.
See the full climate breakdown for Westmoreland County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Westmoreland County
Full Westmoreland County cost breakdown · Every county in Pennsylvania
Common questions
How much does it cost to own a home in Derry?
A $122,000 home in Derry, Pennsylvania costs approximately $1,139 per month with 20% down at 6.66%. That is $627 principal and interest, $107 property tax, $41 homeowners insurance, $262 utilities and $102 set aside for maintenance.
What is the property tax rate in Derry?
Derry has an effective property tax rate of 1.056%, based on a median home value of $122,200 and median real estate taxes of $1,291. That is lower than the Westmoreland County average of 1.281%.
What is the average home price in Derry?
The median owner-occupied home value in Derry, Pennsylvania is $122,200, against $193,100 across Westmoreland County.
Is it cheaper to rent or buy in Derry?
Median gross rent in Derry is $593 a month, against $1,139 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 Derry — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Pennsylvania.
- 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.