Mercer

County in New Jersey

County

The population development of Mercer.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Mercer	County	325,824	350,761	366,513	387,333	392,138	→
New Jersey	State	7,730,188	8,414,350	8,791,894	9,289,014	9,500,851

Contents: Incorporated Places

The population development of the incorporated places in Mercer.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Hightstown	Borough	Mercer	5,283	5,325	5,523	5,899	5,978	→
Hopewell	Borough	Mercer	1,982	2,036	1,927	1,909	1,938	→
Pennington	Borough	Mercer	2,493	2,653	2,553	2,793	2,906	→
Princeton	Municipality	Mercer	12,037	30,239	28,584	30,689	31,445	→
Trenton	City	Mercer	88,578	85,395	84,962	90,810	91,193	→

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	189,986
Females	197,354

Age Groups (C 2020)
0-17 years	82,668
18-64 years	245,143
65+ years	59,529

Age Distribution (C 2020)
80+ years	14,562
70-79 years	25,449
60-69 years	43,454
50-59 years	52,841
40-49 years	50,009
30-39 years	50,890
20-29 years	54,880
10-19 years	52,845
0-9 years	42,410

Urbanization (C 2020)
Rural	19,669
Urban	367,671

»Race« (C 2020)
White	178,447
Black/African American	74,993
Indigenous	2,442
Asian	48,537
Pacific Islander	206
Some other	49,572
2 or more	33,143

Ethnicity (C 2020)
Hispanic or Latino	84,177
Other	303,163