08512 ZIP Code — Cranbury, NJ

Middlesex County, New Jersey

ZIP code 08512 is located in Cranbury, New Jersey, within Middlesex County. It covers approximately 22.81 square miles and serves a population of 12,519 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 609.

About ZIP code 08512

The housing stock consists of a mix of housing types. Most homes were built in the 1960s, giving the area an established character. Median home value is $605,700. Owner-occupancy sits near the national average at 63%.

The gap between median ($115,000) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average. Remote work is prevalent — 23% of workers work from home.

Educational attainment is high — 57% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 08512 reflects a community defined by a highly educated population and a high rate of remote workers.

12,519

population

22.81

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

08512 ZIP code map

Cities in ZIP code 08512

Below are the cities the US Postal Service accepts for ZIP code 08512. Using any city not on this list may result in mail delivery delays.

City	Status
Cranbury	Acceptable
Cranbury	Preferred

Nearby ZIP codes

08536 Plainsboro (3 mi) 08810 Dayton (3.8 mi) 08852 Monmouth Junction (4.9 mi) 08520 Hightstown (5.3 mi) 08550 Princeton Junction (5.4 mi) 08831 Monroe Township (6.1 mi) 08528 Kingston (6.3 mi) 08824 Kendall Park (6.5 mi) 08544 Princeton (6.6 mi) 08828 Helmetta (6.8 mi) 08541 Princeton (6.9 mi) 08542 Princeton (6.9 mi)

Demographics updated 06/2026

Population
Total population	12,519
Population density	549 / sq mi
State FIPS	34
County FIPS	023

Geography
Land area	22.81 sq mi
Water area	0.27 sq mi
Latitude	40.3247
Longitude	-74.5332
Timezone	Eastern (ET)
Area code	609

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.6%	26.5%	30.2%
$50k – $100k	22.3%	27.5%	26.7%
$100k – $200k	29.5%	31.9%	28.3%
Over $200k	22.6%	14.1%	14.8%

Demographics & statistics

12,519

Population

549

People per sq mi

43.9

Median age

$115,000

Median household income

$62,053

Per capita income

$605,700

Median home value

$1,620

Median monthly rent

62.8%

Home ownership

7.9%

Poverty rate

7.5%

Unemployment

3,229

Housing units

56.7%

Bachelor's or higher

Age distribution

Male Female

248

Under 5

270

340

5–9

369

305

10–14

331

442

15–19

482

299

20–24

325

583

25–34

634

918

35–44

998

738

45–54

804

577

55–59

628

369

60–64

402

601

65–74

653

433

75–84

471

143

85+

156

← Male

Female →

Age summary

Group	Count	%
Under 18	2,349	18.8%
18 and over	10,170	81.2%
65 and over	2,457	19.6%
Median age	43.9 years

Race & ethnicity

White 53.3%

Asian 24.4%

Black or African American 8.4%

Two or more races 6.7%

Hispanic or Latino 6.2%

Other race 1%

Group	Count	%
White	7,106	53.3%
Asian	3,261	24.4%
Black or African American	1,115	8.4%
Two or more races	898	6.7%
Hispanic or Latino	824	6.2%
Other race	139	1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.6%	26.5%	30.2%
$50k – $100k	22.3%	27.5%	26.7%
$100k – $200k	29.5%	31.9%	28.3%
Over $200k	22.6%	14.1%	14.8%

Under $10k 0.4%

$10k–$15k 2.9%

$15k–$25k 5.6%

$25k–$35k 4.5%

$35k–$50k 8.3%

$50k–$75k 13.1%

$75k–$100k 8.2%

$100k–$150k 18.1%

$150k–$200k 11.6%

$200k+ 27.4%

Range	% of households
Under $10k	0.4%
$10k–$15k	2.9%
$15k–$25k	5.6%
$25k–$35k	4.5%
$35k–$50k	8.3%
$50k–$75k	13.1%
$75k–$100k	8.2%
$100k–$150k	18.1%
$150k–$200k	11.6%
$200k+	27.4%
Median income	$115,000

Housing

Home values

Under $50k 1.2%

$50k–$100k 5.2%

$100k–$150k 2.3%

$150k–$200k 5.4%

$200k–$300k 5.3%

$300k–$500k 18.0%

$500k–$1M 51.9%

$1M+ 10.7%

Housing overview

Metric	Value
Median home value	$605,700
Median rent / month	$1,620
Owner occupied	62.8%
Renter occupied	37.2%
Vacant	4.1%
Single-family detached	49.2%
Large apartment buildings	6.4%
Mobile homes	1.1%
Median rooms	5.4
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.6%
2010–2019	6.9%
2000–2009	13.4%
1990–1999	14.5%
1980–1989	11.4%
1970–1979	11.1%
1960–1969	18.4%
1950–1959	10.2%
1940–1949	2.6%
1939 or earlier	11.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.4%
1 bedroom	11.4%
2 bedrooms	35.4%
3 bedrooms	17.4%
4 bedrooms	22.7%
5+ bedrooms	9.7%

Vehicles per household

Vehicles	% of households
No vehicle	6.5%
1 vehicle	31.7%
2 vehicles	46.3%
3 or more	15.5%

Heating fuel

Fuel type	%
Utility gas	75.5%
Electricity	16.7%
Propane / LP gas	0.8%
Fuel oil	3.4%
Wood	0.1%
No fuel used	1.9%

Households & families

Household type	Count	%
Married-couple family	2,862	59.5%
Cohabiting couple	97	2.0%
Male householder, no spouse	697	14.5%
Female householder, no spouse	1,156	24.0%
Households with children under 18	1,406	29.2%
Households with seniors (65+)	1,648	34.2%
Average household size	2.58

Marital status

Status	Male	Female
Never married	30.3%	28.0%
Married	60.8%	53.6%
Separated	0.7%	4.3%
Widowed	0.7%	8.2%
Divorced	7.4%	5.8%

Education

Less than 9th grade 4.8%

Some HS, no diploma 1.5%

HS graduate 19.8%

Some college, no degree 12.7%

Associate's degree 4.4%

Bachelor's degree 30.3%

Graduate / professional 26.5%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	56.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	230	8.5%
Kindergarten	110	4.1%
Elementary school	1,004	37.0%
High school	664	24.5%
College / grad school	702	25.9%

Employment

Industry of employment

Education & healthcare 22.7%

Professional & management 20.3%

Retail trade 12.8%

Finance & real estate 10.3%

Manufacturing 6.2%

Construction 6.1%

Transportation & utilities 4.8%

Information 3.7%

Arts, food & hospitality 3.4%

Public administration 3.3%

Wholesale trade 2.9%

Other services 2.9%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	56.8%
Service	12.6%
Sales & office	16.8%
Natural resources & construction	4.8%
Production & transportation	9.1%

Employment type

Type	%
Private sector	85.4%
Government	9.8%
Self-employed	4.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	63.2%
Carpool	8.5%
Public transit	2.8%
Walk	0.1%
Work from home	23.2%
Other means	2.0%
Avg commute (minutes)	30.0

Poverty

All people 7.9%

Under 18 years 11.4%

18 and over 7.1%

Married-couple families 4.5%

Female-led households 10.5%

Income support

Source	% of households
Social Security	29.1%
Retirement income	24.5%
Supplemental Security	1.0%
Cash public assistance	0.3%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	24.2%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	8.8%
Heart disease	5.4%
Stroke	2.4%
Asthma	8.6%
Arthritis	19.6%
Kidney disease	2.4%
Pulmonary disease	4.6%
Cancer	6.4%

Behavior / access	%
Smoking	10.5%
Binge drinking	15.3%
No physical activity	17.6%
Less than 7 hrs sleep	31.4%
Depression	15.4%
Fair or poor health	9.7%
Poor mental health	11.9%
Poor physical health	7.3%
No health insurance	11.3%
Visited doctor (checkup)	76.3%
Visited dentist	70.8%
Cholesterol screening	0.0%
Teeth loss	8.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	400	3.9%

Disability	%
Any disability	9.8%
Under 18	4.4%
18–64 years	4.7%
65 and over	31.6%

Health insurance coverage

Type	%
Private insurance	78.9%
Public insurance	28.5%
No insurance	4.2%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,001	95.9%
Spanish	1,941	16.2%
Other Indo-European	831	6.9%
Asian & Pacific Islander	532	4.4%
Other languages	548	4.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,237	65.8%
Born in same state	7,967	63.6%
Born in different state	5,162	41.2%
Foreign born	270	2.2%
Naturalized citizen	4,282	34.2%
Not a US citizen	2,309	53.9%

Ancestry

Ancestry	Count	%
Italian	1,714	13.7%
French	674	5.4%
Irish	202	1.6%
Arab	132	1.1%

Ancestry	Count	%
Polish	68	0.5%
English	21	0.2%
Norwegian	13	0.1%
German	12	0.1%

Technology access

Metric	% of households
Computer access	38.4%
Internet access	98.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 08512

What city is ZIP code 08512 in?

ZIP code 08512 is primarily assigned to Cranbury, New Jersey.

What county is ZIP code 08512 in?

ZIP code 08512 falls within Middlesex County, New Jersey.

How educated is the population of ZIP code 08512?

57% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 08512?

The median home value in ZIP code 08512 is $605,700.

What is the median household income in ZIP code 08512?

The median household income in ZIP code 08512 is $115,000, above the national median of ~$75,000.

What is the population of ZIP code 08512?

ZIP code 08512 has an estimated population of 12,519 residents, with a density of 549 people per square mile.

What timezone is ZIP code 08512 in?

ZIP code 08512 observes the EST timezone.