Mercerville vs Princeton

A side-by-side comparison of Mercerville and Princeton: population, income, housing, and more.

Mercerville and Princeton are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Princeton has the higher population (30,451 vs 13,693 in Mercerville). Princeton has the higher median household income ($184,113 vs $125,678 in Mercerville). Princeton has the higher median home value ($1,040,400 vs $330,500 in Mercerville).

Population, income & housing

	Mercerville	Princeton
Population	13,693	30,451
Median age	41.9 yrs	27.5 yrs
Median household income	$125,678	$184,113
Median home value	$330,500	$1,040,400
Median gross rent	$1,704	$2,448
Housing units	5,184	9,737
Homeownership rate	83.8%	56.0%
Bachelor's degree or higher	43.7%	84.6%
Unemployment rate	4.7%	4.5%

Trends (ACS 5-year, 2019–2023)

	Mercerville	Princeton
Population	12,730 → 13,693 (+7.6%)	31,000 → 30,451 (-1.8%)
Median household income	$98,107 → $125,678 (+28.1%)	$137,672 → $184,113 (+33.7%)
Median home value	$259,300 → $330,500 (+27.5%)	$866,200 → $1,040,400 (+20.1%)
Median gross rent	$1,403 → $1,704 (+21.5%)	$1,532 → $2,448 (+59.8%)

Mercerville

Population

12,73013,693

Median household income

$98,107$125,678

Median home value

$259,300$330,500

Median gross rent

$1,403$1,704

Princeton

Population

31,00030,451

Median household income

$137,672$184,113

Median home value

$866,200$1,040,400

Median gross rent

$1,532$2,448

Age & race/ethnicity

Age distribution (share)

	Mercerville	Princeton
Under 5	4.7%	2.9%
5 to 17	16.3%	16.1%
18 to 24	7.8%	26.9%
25 to 34	12.8%	10.2%
35 to 44	11.8%	8.5%
45 to 54	12.7%	12.9%
55 to 64	14.3%	9.7%
65 to 74	9.6%	7.2%
75 and over	10.2%	5.6%

Race & ethnicity (share)

	Mercerville	Princeton
White (non-Hispanic)	69.1%	60.2%
Black or African American	6.8%	6.1%
American Indian & Alaska Native	0.0%	0.4%
Asian	3.8%	19.7%
Native Hawaiian & Pacific Islander	0.2%	0.0%
Some other race	0.3%	0.4%
Two or more races	2.2%	5.1%
Hispanic or Latino	17.7%	8.1%

Educational attainment (age 25+)

Share of adults 25+

	Mercerville	Princeton
No high school diploma	4.4%	1.9%
High school graduate	26.3%	4.4%
Some college or associate's	25.6%	9.0%
Bachelor's degree	29.5%	29.0%
Graduate or professional degree	14.2%	55.7%

Commute to work

How workers get to work (share)

	Mercerville	Princeton
Drove alone	71.5%	33.3%
Carpooled	8.0%	2.2%
Public transit	1.4%	6.7%
Walked	0.7%	20.0%
Bicycle	0.0%	5.1%
Worked from home	17.5%	31.7%
Other means	0.9%	1.0%

Housing

Units in structure (share)

	Mercerville	Princeton
1-unit, detached	84.8%	53.1%
1-unit, attached	2.5%	18.1%
2 to 4 units	4.1%	6.6%
5 to 19 units	6.3%	8.5%
20 or more units	2.3%	13.6%
Mobile home & other	0.0%	0.0%

Poverty & households

	Mercerville	Princeton
Poverty rate	2.8%	6.8%
Average household size	2.72	2.58
Mean commute (minutes)	23	24
Median year structure built	1959	1965