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ZIP code

08540

Princeton, NJ

STANDARD

08540 covers Princeton in Mercer County, with 49,499 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

49,499

Median household income

$169,898

Median home value

$723,400

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 08540. Methodology

ZIP code map of 08540

Census ZCTA boundary for ZIP 08540 in Princeton, New Jersey
Census ZCTA boundary for ZIP 08540 in Princeton, New Jersey. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 08540

Type

STANDARD

City

Princeton

County

Mercer County

Timezone

America/New_York

Area codes

609, 640, 732, 848, 908

Land area

51.7 sq mi

Water area

1.04 sq mi

Households

19,255

Median gross rent

$2,083

More enterprise fields

Timezone
America/New_York
Area Codes
609, 640, 732, 848, 908
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 08540. Not ACS. Methodology

People in 08540

Race

  • White24,771
  • Black or African American2,493
  • American Indian or Alaska Native123
  • Asian16,091
  • Native Hawaiian and Pacific Islander17
  • Other race1,307
  • Two or more races3,414

Hispanic or Latino (any race): 3,433

Age

  • Under 104,754
  • 10 to 197,226
  • 20 to 296,216
  • 30 to 394,980
  • 40 to 497,307
  • 50 to 596,930
  • 60 to 695,205
  • 70 to 793,340
  • 80 and older2,258

Income and housing in 08540

Poverty rate

8.1%

Median earnings

$80,357

Median household income

$169,898

Median home value

$723,400

Median gross rent

$2,083

Education

  • High school graduate97.7%
  • Bachelor's degree82.4%
  • Graduate degree49.0%

Places covering 08540

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

35.6% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 08540

IRS populationACS population
55,95827,979020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200541,186
200640,304
200742,053
200842,157
200942,411
201042,481
201147,93442,415
201247,20442,200
201347,31642,060
201448,30041,960
201546,88842,330
201648,34142,580
201749,15342,810
201848,96842,820
201948,67242,870
202051,81343,080
202148,70043,040
202248,51344,200
202349,499

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 08540

12 nearest ZIP centroids (any distance)

  1. 08542Princeton0.7 miPop 2,415 · Income $104,694
  2. 08544Princeton1.3 miPop 4,548 · Income —
  3. 08528Kingston2.5 miPop 331 · Income —
  4. 08553Rocky Hill2.6 miPop 814 · Income $127,344
  5. 08558Skillman4.2 miPop 7,236 · Income $240,968
  6. 08536Plainsboro4.3 miPop 20,558 · Income $128,426
  7. 08502Belle Mead5.8 miPop 12,081 · Income $223,444
  8. 08550Princeton Junction6.1 miPop 20,876 · Income $206,658
  9. 08852Monmouth Junction6.2 miPop 17,333 · Income $121,771
  10. 08648Lawrence Township6.4 miPop 31,142 · Income $118,036
  11. 08824Kendall Park6.7 miPop 13,866 · Income $180,888
  12. 08525Hopewell6.9 miPop 4,567 · Income $157,868

ZIP centroids within 2 miles

ZIP centroids within 2 miles of 08540, measured by Census internal point.
ZIPCityStateDistance (miles)ACS populationMedian income
08542PrincetonNJ0.7 mi2,415$104,694
08544PrincetonNJ1.3 mi4,548—

ZIPs within 2 miles of this place

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08540 Princeton, NJ

Looking up ZIP codes within 2 miles of 08540 Princeton, NJ, measured by centroid distance.

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ACS population

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Households

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Avg median income

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Avg median home

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Selected ZIP codes

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ZIP code 08540 FAQ

What city is ZIP code 08540 in?
08540 is in Princeton, NJ.
What county is 08540 in?
08540 is in Mercer County.
What is the median household income in 08540?
The median household income in 08540 is $169,898.
Which ZIP codes are near 08540?
Use the radius tool on this page to list ZIP codes within a chosen distance of 08540.