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Area data

Princeton, NJ — ZIP 08540

Population: 50,388 (Census ACS)

The median home value in ZIP 08540 (Princeton, NJ) is $987,711 — up 2.6% over the past year. Homes sell for a median $850,000 after a median 54.5 days on market. Typical rent runs $3,502/month. 7 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with icestorm, strongwind, winterweather the top-rated hazards. Cost of living is 12.5% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$987,711

Median home value

+2.6%

1-year change

54.5

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$987,711
1-year appreciation
+2.6%
3-year appreciation
+18.3%
5-year appreciation
+37.8%
10-year appreciation
+55.6%
All-time peak (2026-07)
$987,711
House Price Index (state)
430.8 (+5.2% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$850,000
Median list price
$998,000
Median price per sqft
$390
1-year sale-price change
-3.6%
Median days on market
54.5 days
Homes sold (recent period)
110
For-sale inventory
179
Sale-to-list ratio
100.6%
Active listings
169
1-year forecast
+2.4%
Days to pending
36 days
New listings (monthly)
66

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$3,502/mo
1-year rent change
+2.6%
Studio fair-market rent
$1,385/mo
1BR fair-market rent
$1,731/mo
2BR fair-market rent
$2,099/mo
3BR fair-market rent
$2,729/mo
4BR fair-market rent
$3,149/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
112.5 (100 = US avg)
Electricity rate (state-level)
22.6¢/kWh
Natural gas rate (state-level)
$14.20/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
7
Elementary schools
5
Middle schools
1
High schools
1
Charter schools
1
School districts serving the area
Princeton Charter School, Princeton Public School District
Schools include
Princeton Charter School, Johnson Park School, Princeton High School, Princeton Middle School, Riverside School

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
iceStorm, strongWind, winterWeather, hurricane, inlandFlooding
Notable hazard ratings (county)
coastalFlooding: Relatively Low · coldWave: Relatively Moderate · drought: Relatively Low · earthquake: Relatively Moderate · heatWave: Relatively Moderate · hurricane: Relatively High
FEMA flood zone
X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 35% of US counties
Buildings in wildfire direct-exposure zone
35.0%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
4
Nearest Superfund site
Rocky Hill Municipal Well (2.7 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
79.0°F
Average high
80.0°F
Average low
78.0°F
Annual precipitation
48.3 in
USDA plant hardiness zone
7a (extreme annual low 0 to 5°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
49
Days with Good air quality
194
Days with Moderate air quality
160
Days with Unhealthy air quality
4
Highest AQI recorded (year)
244

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
17.3 / 20
Transit service frequency
111
Jobs reachable by car (30 min)
83,234
Jobs reachable by transit (45 min)
68,435

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
27
Nearest national park
Lower Delaware National Wild and Scenic River (18 mi)
National parks include
Lower Delaware National Wild and Scenic River, Washington-Rochambeau Revolutionary Route National Historic Trail, Morristown National Historical Park
Airports within 30 mi
51
Nearest airport
Princeton Airport (PCT) (3 mi)
Nearest major airport
Trenton Mercer Airport (TTN) (10 mi)
Hospitals nearby (~15 mi)
339
Hospitals include
ST VINCENT'S BIRMINGHAM, MOBILE INFIRMARY MEDICAL CENTER, MEDICAL WEST, AN AFFILIATE OF UAB HEALTH SYSTEM
Avg hospital rating (CMS)
3.0 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Fair (4.0 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-1,987 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,986
Housing built before 1970
33.0%
Housing built 2000 or later
27.5%
Median annual property tax
$10,001
Mean commute to work
18 min
Households with broadband internet
88.8%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
187,294
Average weekly wage
$1,785
Top industries (by employment)
Health Care, Professional Services, Administrative Services
Annual residential building permits (county)
771

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 08540State medianUS median
Median home value$987,711$577,759$289,727
Median sale price$850,000$555,000$325,000
Median days on market55 days42 days51 days
Typical rent$3,502/mo$2,540/mo$1,808/mo
Median annual property tax$10,001$9,504$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in ZIP 08540?
$987,711.
What is the median sale price in ZIP 08540?
$850,000.
How long do homes take to sell in ZIP 08540?
Median days on market: 54.5 days.
What is typical rent in ZIP 08540?
Typical rent: $3,502/month.
What is the natural-hazard risk in ZIP 08540?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: iceStorm, strongWind, winterWeather, hurricane, inlandFlooding.
Is ZIP 08540 in a flood zone?
Minimal (FEMA NFIP). FEMA flood zone X.
What is the wildfire risk in ZIP 08540?
Risk to homes is higher than 35% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 08540?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 08540?
4 current or proposed National Priorities List sites within 5 miles (EPA). Nearest site: Rocky Hill Municipal Well, 2.7 mi.
How many schools serve ZIP 08540?
7 schools (5 elementary, 1 middle, 1 high) (NCES, 2022-23).
Is ZIP 08540 walkable?
Walkability index: 17.3/20 (EPA Smart Location Database).
What is the air quality in ZIP 08540?
Good. Median AQI: 49. (EPA AQI).
What is the cost of living in ZIP 08540?
Regional Price Parity: 112.5 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

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