Mercer County, New Jersey

Mercer County, New Jersey is a county located in the Northeastern Region (Mid-Atlantic) of United States. The county has a population of 350761 as per the 2000 census data. The county's estimated population as of July 2008 was 364883, making it the 12th most populous county in New Jersey. The county comprises an area of 228.84 miē (592.69 kmē), of which, 225.93 square miles (585.16 kmē) of it is land and 2.91 square miles (7.54 kmē) of it is water, it is the sixth smallest by area in the U.S. state of New Jersey.

Mercer County New Jersey
Map of Mercer County, New Jersey

As of the census of 2000, there were 350761 people, 125807 households, and 86288 families living in the county. The population density was 1552.5 people per square mile (599.42/kmē), giving it the eighth most densely populated county among the New Jersey. There were 133280 housing units at an average density of 589.9 per square mile (227.76/kmē). The average household size was 2.62 and the average family size was 3.16. In the county the population was spread out, with 24% under the age of 18, 10.2% from 18 to 24, 30.6% from 25 to 44, 22.5% from 45 to 64, and 12.6% who were 65 or older. For every 100 females there were 94.9 males. For every 100 females age 18 and over, there were 92 males. The July 2008 population estimate is 364883, The racial makeup of the county was 253204 White, 74952 Black or African American, 930 American Indian, 29754 Asian, 652 Native Hawaiian, and 5391 from two or more races.

Mercer County New Jersey Population 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Population 2000-2008
Mercer County New Jersey School Enrollment
School Enrollment 2000
Mercer County New Jersey GDP
GDP 2000

The median income for a household in the county was $56613, it is the ninth highest county by median household income in the U.S. state of New Jersey. The median income for a family in the county was $68494, it would be the eighth highest county by median family income in the U.S. state of New Jersey. The per capita income for the county was $27914, it would be the sixth highest county by per capita income in the U.S. state of New Jersey.

In 2000, 99649 pupils and students, of which 49561 are male and 50088 are female, 28.41% of the total population, are in the education system. Of which, total enrollment of student are in, 8057 nursery or pri school, 4818 kindergarten, 39189 elementary school, 18898 high school and 28687 College graduate school.

RankCityCountyTotal Area mi2Land Area mi2Water Area mi2PopulationDensity mi2Per capita IncomeHouse hold Income
1Ewing CdpMercer County15.615.330.27357072328.62426857274
2Hightstown BoroughMercer County1.251.230.0252164251.92860564299
3Hopewell BoroughMercer County0.690.69020352963.73841377270
4Lawrenceville CdpMercer County1.041.04040813926.53791974107
5Mercerville-hamilton Square CdpMercer County7.717.710264193428.62708067896
6Pennington BoroughMercer County0.960.960269628014584390366
7Princeton BoroughMercer County1.851.850142037686.32729267346
8Princeton Junction CdpMercer County1.871.87023821276.944113116668
9Princeton North CdpMercer County1.621.62045282796.84390392725
10Trenton CityMercer County8.157.660.498540311153.61462131074
11Twin Rivers CdpMercer County1.31.260.0574225906.92650162760
12White Horse CdpMercer County3.323.190.1393732941.82548060061
13Yardville-groveville CdpMercer County3.463.440.0292082673.72539160893
YearPopulation
April 2000 census350761
April 2000 Estimate350761
July 2000 Estimate351534
July 2001 Estimate353994
July 2002 Estimate356213
July 2003 Estimate358897
July 2004 Estimate361583
July 2005 Estimate362368
July 2006 Estimate363263
July 2007 Estimate363757
July 2008 Estimate364883
SchoolMaleFemaleTotal
Nursery school435437038057
Kindergarten241524034818
Elementary school198501933939189
High school9988891018898
College or graduate school129541573328687
PlaceMedian household incomeMedian family incomePer capita income
Mercer County, New Jersey$56613$68494$27914
New Jersey, United States$55146$65370$27006
United States$41994$50046$21587