2024 Demographics

View all Variables

Summary Data for County: Mercer

Population See More Population Data

Population

County: Mercer

381,594
Persons

State: New Jersey 9,306,949 Persons

Percent Population Change: 2020 to 2024

County: Mercer

-1.48%

State: New Jersey 0.19%

Race See More Race Data

  • Download JPEG
  • Download PDF
  • Download CSV
Population by Race County: Mercer State: New Jersey
Persons % of Population Persons % of Population
White 165,975 43.50% 4,940,030 53.08%
Black/African American 72,249 18.93% 1,233,988 13.26%
American Indian/Alaskan Native 2,618 0.69% 54,297 0.58%
Asian 51,188 13.41% 981,456 10.55%
Native Hawaiian/Pacific Islander 220 0.06% 3,785 0.04%
Some Other Race 53,871 14.12% 1,118,506 12.02%
2+ Races 35,473 9.30% 974,887 10.47%

Ethnicity See More Ethnicity Data

  • Download JPEG
  • Download PDF
  • Download CSV
Population by Ethnicity County: Mercer State: New Jersey
Persons % of Population Persons % of Population
Hispanic/Latino 91,927 24.09% 2,161,610 23.23%
Non-Hispanic/Latino 289,667 75.91% 7,145,339 76.77%

Age See More Age Data

  • Download JPEG
  • Download PDF
  • Download CSV
Population by Age Group County: Mercer State: New Jersey
Persons % of Population Persons % of Population
0-4 19,254 5.05% 490,708 5.27%
5-9 20,369 5.34% 509,821 5.48%
10-14 22,947 6.01% 557,995 6.00%
15-17 14,770 3.87% 352,894 3.79%
18-20 19,807 5.19% 389,562 4.19%
21-24 22,532 5.90% 473,042 5.08%
25-34 47,837 12.54% 1,183,408 12.72%
35-44 49,349 12.93% 1,197,099 12.86%
45-54 49,162 12.88% 1,177,805 12.66%
55-64 50,254 13.17% 1,262,829 13.57%
65-74 38,337 10.05% 988,762 10.62%
75-84 19,559 5.13% 521,524 5.60%
85+ 7,417 1.94% 201,500 2.17%

Sex See More Sex Data

Population by Sex
Population by Sex County: Mercer State: New Jersey
Persons % of Population Persons % of Population
Male 186,877 48.97% 4,525,708 48.63%
Female 194,717 51.03% 4,781,241 51.37%

Households/Income See More Households/Income Data

Households

County: Mercer

138,410
Households

State: New Jersey 3,444,245 Households

Families

County: Mercer

92,783
Families

State: New Jersey 2,377,600 Families

Average Household Size

County: Mercer

2.65
Persons

State: New Jersey 2.65 Persons

Households With Own Children

County: Mercer

38,021
Households
(27.47% of Households)

State: New Jersey 994,866 Households (28.88% of Households)

  • Download JPEG
  • Download PDF
  • Download CSV
Median Household Income by Race/Ethnicity County: Mercer State: New Jersey
Value Value
All $92,531 $96,278
White $105,907 $106,197
Black/African American $56,818 $66,276
American Indian/Alaskan Native $73,185 $70,172
Asian $176,345 $148,218
Native Hawaiian/Pacific Islander $74,405 $73,585
Some Other Race $65,607 $66,030
2+ Races $87,517 $85,549
Hispanic/Latino $67,061 $70,981
Non-Hispanic/Latino $100,226 $103,578

Families Below Poverty

County: Mercer

6,130
Families
(6.61% of Families)

State: New Jersey 168,850 Families (7.10% of Families)

Families Below Poverty with Children

County: Mercer

4,051
Families
(4.37% of Families)

State: New Jersey 120,072 Families (5.05% of Families)

Housing See More Housing Data

Housing Units

County: Mercer

151,005
Housing units

State: New Jersey 3,807,132 Housing units

Owner-Occupied Housing Units Average Value

County: Mercer

$478,699

State: New Jersey $550,231

Education See More Education Data

  • Download JPEG
  • Download PDF
  • Download CSV
Population 25+ by Educational Attainment County: Mercer State: New Jersey
Persons % of Population Age 25+ Persons % of Population Age 25+
Less than 9th Grade 10,444 3.99% 297,446 4.55%
Some High School, No Diploma 15,526 5.93% 306,710 4.69%
High School Grad 63,455 24.23% 1,688,506 25.85%
Some College, No Degree 39,483 15.07% 1,020,273 15.62%
Associate Degree 15,063 5.75% 448,640 6.87%
Bachelor's Degree 62,456 23.85% 1,663,783 25.47%
Master's Degree 38,787 14.81% 810,751 12.41%
Professional Degree 6,805 2.60% 182,577 2.79%
Doctorate Degree 9,896 3.78% 114,241 1.75%

Employment See More Employment Data

Population 16+: Unemployed

County: Mercer

6.89%

State: New Jersey 6.98%

Demographics information provided by Claritas, updated April 2024, under these terms of use.