Mercer County, New Jersey Census 2020 Population By Race and Ethnicity
According to the data from the US 2020 decennial Census, in April 2020, the 387.34K population of Mercer County, NJ residents comprised of 84.18K residents who identified as Hispanic or Latino (21.73%), and 303.16K residents who identified as Non-Hispanic (78.27%).
Race: The White Alone population was the largest racial group in Mercer County, NJ, with a population of 178.45K (46.07%). The Black or African American Alone population was the second largest racial group in Mercer County, NJ, with a population of 74.99K (19.36%). The Some Other Race Alone population was the third largest racial group in Mercer County, NJ, with a population of 49.57K (12.80%). The smallest racial group in Mercer County, NJ was Native Hawaiian And Pacific Islander Alone with a population of 206 (0.05%).
Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Mercer County, NJ, with a population of 168.58K (43.52%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Mercer County, NJ, with a population of 72.36K (18.68%). The Non-Hispanic - Asian Alone population was the third largest ethnic group in Mercer County, NJ, with a population of 48.33K (12.48%). The smallest ethnic group in Mercer County, NJ was Hispanic - Native Hawaiian & Pac. Islander with a population of 100 (0.03%).
The charts and tables below shows the population and percentage of each racial group and ethnicity group in Mercer County, New Jersey from the 2020 decennial census.
You can see similar information for other New Jersey counties and also for the state of New Jersey.
| Race | Population | % of County Population |
|---|---|---|
| Black or African American Alone | 74993 | 19.36 |
| White Alone | 178447 | 46.07 |
| American Indian and Alaska Native Alone | 2442 | 0.63 |
| Asian Alone | 48537 | 12.53 |
| Native Hawaiian And Pacific Islander Alone | 206 | 0.05 |
| Some Other Race Alone | 49572 | 12.80 |
| Two Or More Races | 33143 | 8.56 |
| Ethnicity | Population | % of County Population |
|---|---|---|
| Non-Hispanic - White Alone | 168580 | 43.52 |
| Non-Hispanic - Black Alone | 72364 | 18.68 |
| Non-Hispanic - Asian Alone | 48330 | 12.48 |
| Hispanic - Some Other Race Alone | 47693 | 12.31 |
| Hispanic - Two or More Races | 21666 | 5.59 |
| Non-Hispanic - Two or More Races | 11477 | 2.96 |
| Hispanic - White Alone | 9867 | 2.55 |
| Hispanic - Black Alone | 2629 | 0.68 |
| Hispanic - American Indian & Alaska Native | 2015 | 0.52 |
| Non-Hispanic - Some Other Race Alone | 1879 | 0.49 |
| Non-Hispanic - American Indian & Alaska Native | 427 | 0.11 |
| Hispanic - Asian Alone | 207 | 0.05 |
| Non-Hispanic - Native Hawaiian & Pac. Islander | 106 | 0.03 |
| Hispanic - Native Hawaiian & Pac. Islander | 100 | 0.03 |