Mercer County, New Jersey

administration
New Jersey State House
US state :	New Jersey
Administrative headquarters :	Trenton
Address of the administrative headquarters:	Administration Building 640 South Broad Street PO Box 8068 Trenton, NJ 08650-0068
Foundation :	1838
Area code :	+1 609
Demographics
Residents :	366,513 (2010)
Population density :	626.5 inhabitants / km ²
geography
Total area :	593 km²
Water surface :	8 km²
map

Website : www.mercercounty.org

Mercer County is a county in the state of New Jersey . The county seat is Trenton , which is also the capital of the state of New Jersey.

history

Mercer County is named after Hugh Mercer (1720–1777), a general in the American Revolutionary War .

14 locations in the county have National Historic Landmark status , including Albert Einstein House , Princeton Battlefield, and Washington's Crossing . A total of 105 buildings and sites in the county are listed on the National Register of Historic Places (as of February 16, 2018).

geography

The county has an area of 593 square kilometers, of which 8 square kilometers are water. The county is bordered by the following counties:

Hunterdon County		Somerset County
Bucks County ( Pennsylvania )		Middlesex County
	Burlington County	Monmouth County

Demographic data

growth of population
Census	Residents	± in%
1840	21,502	-
1850	27,992	30.2%
1860	37,419	33.7%
1870	46,386	24%
1880	58,061	25.2%
1890	79,978	37.7%
1900	95,365	19.2%
1910	125,657	31.8%
1920	159,881	27.2%
1930	187.143	17.1%
1940	197,318	5.4%
1950	229.781	16.5%
1960	266,392	15.9%
1970	304.116	14.2%
1980	307.863	1.2%
1990	325,824	5.8%
2000	350.761	7.7%
2010	366,513	4.5%
Before 1900 1900–1990 2000 + 2010 Mercer County's age pyramid (as of 2000)

The Delaware River

Princeton Battlefield , this is where the Battle of Princeton took place.

The county had 350,761 people as of the 2000 census . There were 125,807 households and 86,303 families. The population density was 599 inhabitants per square kilometer. The racial the population was composed of 68.48% White, 19.81% African American, 0.20% Native American, 4.94% Asian, 0.10% Pacific Islander, and 4.29% other races Groups; 2.17% were from two or more races. Hispanic or Latino of any race was 9.66% of the population.

Of the 125,807 households, 32.80% had children and young people under the age of 18 living with them. 50.60% were married couples living together, 13.80% were single mothers. 31.40% were not families. 25.60% were single households and 9.90% had someone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.16.

For the entire county, the population was composed of 24.00% residents under the age of 18, 10.20% between 18 and 24 years old, 30.60% between 25 and 44 years old, 22.50% between 45 and 64 years old 12.60% were 65 years of age or over. The median age was 36 years. For every 100 females there were 94.90 males, and for every 100 females aged 18 and over there were 92.00 males.

The median income for a household in the county is $ 56,613 , and the median income for a family is $ 68,494. Males had a median income of $ 47,444 versus $ 34,788 for females. The per capita income was $ 27,914. 8.60% of the population and 5.90% of families are below the poverty line. 10.60% of them were under 18 years of age and 8.40% were 65 years of age or older.