Population By Race and Ethnicity in Mercer County, NJ in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the 368,628 population of Mercer County, New Jersey comprised of 57,899 people who identified as Hispanic (15.71%), and 310,729 people who identified as Non-Hispanic (84.29%).

Race: The White Alone population was the largest racial group in Mercer County, New Jersey with a population of 244,451 (66.31%); Black or African American Alone population was the second largest racial group with a population of 78,095 (21.19%); and Asian Alone was the third largest racial group with a population of 35,770 (9.7%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, New Jersey in 2012, with a population of 196,666 (53.35%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 72,281 (19.61%); and the third largest ethnic group was White Alone - Hispanic with a population of 47,785 (12.96%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Mercer, New Jersey.

You can find similar information for other New Jersey counties, and for New Jersey.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Mercer County, NJ in 2012

Total Population:368,628

Non Hispanic (84.29%)

Hispanic (15.71%)

Race in Mercer County, NJ in 2012

Total Population:368,628

White Alone (66.31%)

Black or African American Alone (21.19%)

Asian Alone (9.7%)

Two or more races (2.02%)

American Indian and Alaska Native Alone (0.59%)

Native Hawaiian And Pacific Islander Alone (0.19%)

Ethnicity in Mercer County, NJ in 2012

Total Population:368,628

Non-Hispanic White Alone (53.35%)

Non-Hispanic Black or African American Alone (19.61%)

Hispanic White Alone (12.96%)

Non-Hispanic Asian Alone (9.56%)

All Other Ethnicities (2.94%)

Hispanic Black or African American Alone (1.58%)

Population By Race in Mercer , NJ in 2012

Race	Population	Percentage
White Alone	244,451	66.31%
Black or African American Alone	78,095	21.19%
Asian Alone	35,770	9.7%
Two Or More Races	7,446	2.02%
American Indian and Alaska Native Alone	2,177	0.59%
Native Hawaiian And Pacific Islander Alone	689	0.19%

Population By Ethnicity in Mercer , NJ in 2012

Ethnicity	Population	Percentage
White Alone - Non Hispanic	196,666	53.35%
Black or African American Alone - Non Hispanic	72,281	19.61%
White Alone - Hispanic	47,785	12.96%
Asian Alone - Non Hispanic	35,240	9.56%
Black or African American Alone - Hispanic	5,814	1.58%
Two Or More Races - Non Hispanic	5,806	1.58%
Two Or More Races - Hispanic	1,640	0.45%
American Indian and Alaska Native Alone - Hispanic	1,628	0.44%
American Indian and Alaska Native Alone - Non Hispanic	549	0.15%
Asian Alone - Hispanic	530	0.14%
Native Hawaiian And Pacific Islander Alone - Hispanic	502	0.14%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	187	0.05%