Cost to Own
United StatesNew JerseySomerset CountyHillsborough Population 22,302 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Hillsborough, New Jersey

A $411,000 home here costs

$3,547

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $2,113. The real number is $1,435 higher every month — 68% more than the payment most buyers budget for.

Hillsborough median: $411,400
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $328,800 borrowed $2,113
Property tax2.085% effective rate for Hillsborough itself $714
Homeowners insuranceNew Jersey averages $1,309/yr (NAIC), or 0.294% of home value $101
Electricity23.27¢/kWh — New Jersey residential average, EIA $209
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $343
Total monthly $3,547

Hillsborough against Somerset County and New Jersey

MeasureHillsboroughSomerset County
Median home value$411,400$523,900
Median property tax$8,576$10,001
Effective tax rate2.085%1.909%
Median gross rent$1,898$1,921
Population22,302346,203

The weather behind that power bill

Hillsborough sits in Somerset County, which averages a high of 86.2°F in its hottest month and a low of 20.6°F in its coldest, with 45.49" of precipitation a year and 32% of it in a single three-month stretch. That climate drives 859 cooling and 5,385 heating degree days, which is what sets the $209 electricity line above.

See the full climate breakdown for Somerset County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Somerset County

Full Somerset County cost breakdown · Every county in New Jersey

Common questions

How much does it cost to own a home in Hillsborough?

A $411,000 home in Hillsborough, New Jersey costs approximately $3,547 per month with 20% down at 6.66%. That is $2,113 principal and interest, $714 property tax, $101 homeowners insurance, $277 utilities and $343 set aside for maintenance.

What is the property tax rate in Hillsborough?

Hillsborough has an effective property tax rate of 2.085%, based on a median home value of $411,400 and median real estate taxes of $8,576. That is higher than the Somerset County average of 1.909%.

What is the average home price in Hillsborough?

The median owner-occupied home value in Hillsborough, New Jersey is $411,400, against $523,900 across Somerset County.

Is it cheaper to rent or buy in Hillsborough?

Median gross rent in Hillsborough is $1,898 a month, against $3,547 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 Hillsborough — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for New Jersey.
  • 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.

Full methodology