Princeton Junction

Population: 1,842
Median household income: $219,375
Median home value: $669,100

Princeton Junction, a community in Mercer County, New Jersey, has 1,842 residents. At $219,375, its median household income sits above Mercer County's $96,333.

Between 2019 and 2023, Princeton Junction's population declined 21.1% from 2,336 to 1,842, while its median home value rose 22.0% from $548,400 to $669,100.

39.5% of workers drive to work alone. 87.0% of homes are single-family detached houses.

Demographics

ACS 2019–2023

Population: 1,842
Median age: 50.3 yrs
Median household income: $219,375
Median home value: $669,100
Median gross rent: —
Housing units: 884
Homeownership rate: 79.7%
Bachelor's degree or higher: 79.5%
Unemployment rate: 7.8%

Trends

ACS 5-year · 2019–2023

Population

2,3361,842

Median household income

$231,094$219,375

Median home value

$548,400$669,100

Median gross rent

$1,048$1,286

Year	Population	Median household income	Median home value	Median gross rent
2019	2,336	$231,094	$548,400	$1,048
2020	1,989	$228,357	$543,500	$1,281
2021	2,208	$196,364	$574,100	$1,040
2022	2,022	$209,554	$633,700	$1,286
2023	1,842	$219,375	$669,100	—

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 52.6%

5 to 1714.7%

18 to 241.5%

25 to 3414.0%

35 to 4411.4%

45 to 5415.0%

55 to 6423.7%

65 to 748.3%

75 and over9.0%

	Count	Share
Under 5	47	2.6%
5 to 17	270	14.7%
18 to 24	27	1.5%
25 to 34	257	14.0%
35 to 44	210	11.4%
45 to 54	277	15.0%
55 to 64	436	23.7%
65 to 74	152	8.3%
75 and over	166	9.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,020	55.4%
Black or African American	40	2.2%
American Indian & Alaska Native	0	0.0%
Asian	552	30.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	127	6.9%
Hispanic or Latino (any race)	103	5.6%

Educational attainment (age 25+)

No high school diploma5.4%

High school graduate6.6%

Some college or associate's8.5%

Bachelor's degree44.9%

Graduate or professional degree34.6%

	Count	Share
No high school diploma	81	5.4%
High school graduate	99	6.6%
Some college or associate's	127	8.5%
Bachelor's degree	673	44.9%
Graduate or professional degree	518	34.6%

Commute to work

Mean travel time to work: 31 min

Drove alone39.5%

Carpooled3.2%

Public transit13.2%

Walked0.0%

Bicycle0.0%

Worked from home44.1%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	413	39.5%
Carpooled	33	3.2%
Public transit	138	13.2%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	461	44.1%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	208	35.6%
15 to 29 min	146	25.0%
30 to 44 min	69	11.8%
45 to 59 min	23	3.9%
60+ min	138	23.6%

Households

Average household size: 2.34
Poverty rate: 11.6% (214 of 1,842)

	Count	Share
Family households	604	77.0%
Nonfamily households	180	23.0%

Housing

Median year structure built: 1977

Occupancy

	Count	Share
Occupied	784	88.7%
Vacant	100	11.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	625	79.7%
Renter-occupied	159	20.3%

1-unit, detached87.0%

1-unit, attached0.0%

2 to 4 units0.0%

5 to 19 units4.8%

20 or more units8.3%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	769	87.0%
1-unit, attached	0	0.0%
2 to 4 units	0	0.0%
5 to 19 units	42	4.8%
20 or more units	73	8.3%
Mobile home & other	0	0.0%

Geography

Place GEOID: 3460960
Type (LSAD): 57
Land area: 1.82 sq mi
Water area: 0.03 sq mi
Center point: 40.3232, -74.6219