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  Mercer - Demographic History
County DETAILS
Parents > United States > New Jersey > NJ Counties > Mercer  
Websitehttp://www.mercercounty.org/
Established February 22, 1838
Disbanded Still Active
Last ModifiedMr. Matt June 09, 2011 04:37pm
DescriptionOfficially founded in 1838 and carved out of other surrounding counties, Mercer County has
a historical impact that reaches back to the pivotal battles of the American Revolutionary War.

General George Washington led his famous December crossing of the Delaware and routed
the Hessians right here in Mercer County. That turning point of our country's struggle for
independence & liberty is just one of the many historically significant things to have happened
here in Mercer.

Further, when the Revolutionary War concluded, the City of Trenton and Princeton Township
took turns serving as the temporary Federal Capital.

The county is named in honor of General Hugh Mercer, a distinguished hero of the Revolution,
who died from wounds inflicted during the Battle of Princeton in 1777.

Other notable historical figures of America's past have also become part of the history of
Mercer County. Former Vice President Aaron Burr, Presidents Grover Cleveland and Woodrow
Wilson, and the Marquis de Lafayette have all become part of the history of Mercer County.

Mercer County also has the dubious distinction of being the famed landing spot for a Martian
invasion of the United States. In 1938, in what has become one of the most famous radio
addresses of all time, Orsen Welles acted out his 'War of the Worlds' invasion. Wells landed
his imaginary aliens on Mercer County soil, using what is now West Windsor Township as the
point of first contact. And our history is continually being added to daily by our residents.

INFORMATION
DateRace
Jul 01, 2009
White - Non Hispanic
315,688 (65.84%)
Black or African American
75,525 (15.75%)
Hispanic
50,534 (10.53%)
Asian
30,396 (6.33%)
Two or More Races
5,579 (1.16%)
American Indian and Alaska Native
951 (0.19%)
Pacific Islander
791 (0.16%)
Jul 01, 2008
White - Non Hispanic
316,007 (66.37%)
Black or African American
74,759 (15.7%)
Hispanic
48,564 (10.2%)
Asian
29,654 (6.22%)
Two or More Races
5,393 (1.13%)
American Indian and Alaska Native
927 (0.19%)
Pacific Islander
764 (0.16%)
Jul 01, 2007
White - Non Hispanic
316,879 (66.93%)
Black or African American
74,447 (15.72%)
Hispanic
46,523 (9.82%)
Asian
28,693 (6.06%)
Two or More Races
5,208 (1.1%)
American Indian and Alaska Native
907 (0.19%)
Pacific Islander
735 (0.15%)
Jul 01, 2006
White - Non Hispanic
317,969 (67.47%)
Black or African American
74,583 (15.82%)
Hispanic
44,844 (9.51%)
Asian
27,276 (5.78%)
Two or More Races
5,001 (1.06%)
American Indian and Alaska Native
883 (0.18%)
Pacific Islander
686 (0.14%)
Jul 01, 2005
White - Non Hispanic
318,882 (67.99%)
Black or African American
74,651 (15.91%)
Hispanic
43,000 (9.16%)
Asian
26,110 (5.56%)
Two or More Races
4,852 (1.03%)
American Indian and Alaska Native
870 (0.18%)
Pacific Islander
641 (0.13%)
Jul 01, 2004
White - Non Hispanic
319,872 (68.58%)
Black or African American
74,505 (15.97%)
Hispanic
41,353 (8.86%)
Asian
24,583 (5.27%)
Two or More Races
4,634 (0.99%)
American Indian and Alaska Native
858 (0.18%)
Pacific Islander
593 (0.12%)
Jul 01, 2003
White - Non Hispanic
319,136 (69.23%)
Black or African American
73,802 (16.01%)
Hispanic
39,533 (8.57%)
Asian
22,618 (4.9%)
Two or More Races
4,458 (0.96%)
American Indian and Alaska Native
845 (0.18%)
Pacific Islander
554 (0.12%)
Jul 01, 2002
White - Non Hispanic
318,518 (69.9%)
Black or African American
73,085 (16.03%)
Hispanic
37,580 (8.24%)
Asian
20,874 (4.58%)
Two or More Races
4,258 (0.93%)
American Indian and Alaska Native
827 (0.18%)
Pacific Islander
523 (0.11%)
Jul 01, 2001
White - Non Hispanic
318,006 (70.43%)
Black or African American
72,759 (16.11%)
Hispanic
35,959 (7.96%)
Asian
19,345 (4.28%)
Two or More Races
4,102 (0.9%)
American Indian and Alaska Native
807 (0.17%)
Pacific Islander
501 (0.11%)
Jul 01, 2000
White - Non Hispanic
317,315 (70.99%)
Black or African American
72,272 (16.17%)
Hispanic
34,246 (7.66%)
Asian
17,945 (4.01%)
Two or More Races
3,874 (0.86%)
American Indian and Alaska Native
793 (0.17%)
Pacific Islander
487 (0.1%)