U.S. ZIP Code · NJ08540
Mercer County · Trenton-Princeton, NJ
Appreciation
- 1-year
- +2.7%
- 5-year / yr
- +7.3%
- 10-year / yr
- +4.5%
Relative price
- vs U.S.
- +242.9%
- vs metro
- +109.3%
- vs state
- +71.0%
Price history
Zillow Home Value Index — monthly, smoothed and seasonally adjusted.
The typical home in 08540 is worth $973,946 — 109.3% above the Trenton-Princeton, NJ median. Over the past year, values have risen 2.7%. Homes here rent for a typical $3,383 a month — a 4.2% gross rental yield. The effective property tax rate is 1.9%.
#Rent & investment
Typical asking rent, and the returns it implies at the current home value.
#Property tax
Effective rate — total real estate taxes paid relative to total home value.
#Climate risk
FEMA National Risk Index ratings for Mercer County. "Not Applicable" means the hazard does not threaten the county.
- Overall risk
- Relatively High[4]
- Riverine flood
- Relatively High
- Coastal flood
- Relatively Low
- Wildfire
- Relatively Low
- Drought
- Relatively Low
- Heat wave
- Relatively Moderate
- Hurricane
- Relatively High
- Tornado
- Relatively Moderate
- Earthquake
- Relatively Moderate
- Winter weather
- Very High
#Who lives here
#Migration
Household moves in and out of Mercer County over a year, from IRS tax-return data.
- Net migration
- -1,900[5]
- Moved in
- 8,722
- Moved out
- 10,622
Schools
Open public schools in this ZIP, from the NCES Common Core of Data.
- Public schools
- 7
- Elementary
- 5
- Middle
- 1
- High
- 1
Princeton High School
High · Grades 9–12 · Princeton Public School District
1,532 students
Princeton Middle School
Middle · Grades 6–8 · Princeton Public School District
780 students
Princeton Charter School
Elementary · Grades K–8 · Princeton Charter School
424 students
Johnson Park School
Elementary · Grades PK–5 · Princeton Public School District
388 students
Littlebrook School
Elementary · Grades PK–5 · Princeton Public School District
383 students
Run the numbers
Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.
Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.
Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.
Renting is meaningfully cheaper month-to-month.
This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.
#Metro ranking
Where this ZIP sits among others in its metro area.
Frequently asked
- How much is a home worth in ZIP code 08540?
- The typical home in 08540 is worth $973,946, based on the Zillow Home Value Index.
- Are home values rising in 08540?
- Home values in 08540 are up 2.7% over the past year, and up 7.3% a year over five years.
- What is the typical rent in 08540?
- A typical home in 08540 rents for about $3,383 a month, a gross rental yield of 4.2%.
- What is the property tax rate in 08540?
- The effective property tax rate in 08540 is 1.9% — roughly $18,666 a year on a typical home.
- Who lives in 08540?
- ZIP code 08540 has a population of 50,388 and a median household income of $176,983.
#Comparable ZIPs
Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.
Princeton Junction CDP, NJ
- Typical home
- $1,015,358
- Gross yield
- 3.6%
Princeton, NJ
- Typical home
- $913,555
- Gross yield
- —
Pennington, NJ
- Typical home
- $682,309
- Gross yield
- 5.0%
Titusville CDP, NJ
- Typical home
- $673,001
- Gross yield
- —
Hopewell, NJ
- Typical home
- $662,544
- Gross yield
- —
Yardville CDP, NJ
- Typical home
- $641,597
- Gross yield
- 5.3%
Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →
Compare ZIPs
Pit ZIP 08540 against any other ZIP — full side-by-side table.
#Articles featuring this ZIP
Explainers, guides, and lists that use 08540 as an example.
- ListicleProperty Taxes by State: Where Homeowners Pay Most and Least in 2026
Effective property tax rates vary 7.5x across US states, but the dollar bills vary 21x because home values vary too. Where every state ranks, why low rates aren't always cheap, and the no-income-tax trade-off.
#Jump to section