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ZIP 08540 · Princeton

Who lives in ZIP code 08540 (Princeton, NJ): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Princeton, NJ · Mercer County

uszips 2026
People50,388
Median age40.6
Household income$176,983
Home value$767,683
Median rent$2,218/mo
Poverty8.2%
College degree+82.8%
Commute29 min

Place

Metro area
Trenton-Princeton, NJ
Wider region
New York-Newark, NY-NJ-CT-PA
Time zone
Eastern
Density
376 / sq mi
Housing units
18,609

Spans 3 counties

Mercer63%
Somerset26%
Middlesex11%

Share of the ZIP's people in each county.

Age mix

Under 1010.5%
10–1915.4%
20s13.4%
30s9.5%
40s16.0%
50s13.3%
60s11.0%
70s6.4%
80+4.5%

15.0% are 65 or older; 77.3% are adults.

Household income

Under $25K9.9%
$25K–50K6.6%
$50K–75K7.6%
$75K–100K8.1%
$100K–150K11.5%
$150K+56.2%

67.7% of households earn $100K+. Median per person: $78,804.

Education (adults 25+)

Less than high school2.4%
High school5.5%
Some college9.4%
Bachelor's33.1%
Graduate49.7%

57.0% of degrees are in STEM fields.

Race

White50.7%
Black5.7%
Asian33.4%
Native American0.2%
Pacific Islander0.0%
Other2.6%
Two or more7.4%

7.4% Hispanic or Latino (of any race).

Households & family

Married
56.6%
Never married
30.5%
Divorced
8.8%
Widowed
4.1%
Family size
3.12
Dual-income families
64.2%

Housing

Own their home
63.7%
Rent burden
26.7%
Men / women
50% / 50%

Work

In labor force
67.6%
Unemployment
4.1%
Self-employed
—
Farmers
—

Community

Charitable givers
—
Veterans
2.3%
With a disability
6.5%
No health insurance
2.1%
Limited English
6.8%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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