Mercer County, New Jersey's estimated 2024 population is 382,563 with a growth rate of 0.23% in the past year according to the most recent United States census data. Mercer County, New Jersey is the 12th largest county in New Jersey. The 2010 population was 367,717 and has seen a growth of 4.04% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 387,023 | 892 | 0.23% |
| 2028 | 386,131 | 892 | 0.23% |
| 2027 | 385,239 | 892 | 0.23% |
| 2026 | 384,347 | 892 | 0.23% |
| 2025 | 383,455 | 892 | 0.23% |
| 2024 | 382,563 | 892 | 0.23% |
| 2023 | 381,671 | 892 | 0.23% |
| 2022 | 380,779 | -1,393 | -0.36% |
| 2021 | 382,172 | -4,294 | -1.11% |
| 2020 | 386,466 | 18,419 | 5% |
| 2019 | 368,047 | -673 | -0.18% |
| 2018 | 368,720 | 231 | 0.06% |
| 2017 | 368,489 | 560 | 0.15% |
| 2016 | 367,929 | -337 | -0.09% |
| 2015 | 368,266 | -765 | -0.21% |
| 2014 | 369,031 | -503 | -0.14% |
| 2013 | 369,534 | 906 | 0.25% |
| 2012 | 368,628 | 1,221 | 0.33% |
| 2011 | 367,407 | -310 | -0.08% |
| 2010 | 367,717 | 0 | 0% |
| 1990 | 325,824 | 17,961 | 5.83% |
| 1980 | 307,863 | 3,895 | 1.28% |
| 1970 | 303,968 | 37,576 | 14.11% |
| 1960 | 266,392 | 36,611 | 15.93% |
| 1950 | 229,781 | 32,463 | 16.45% |
| 1940 | 197,318 | 10,175 | 5.44% |
| 1930 | 187,143 | 27,262 | 17.05% |
| 1920 | 159,881 | 34,224 | 27.24% |
| 1910 | 125,657 | 30,292 | 31.76% |
| 1900 | 95,365 | 15,387 | 19.24% |
| 1890 | 79,978 | 21,917 | 37.75% |
| 1880 | 58,061 | 11,675 | 25.17% |
| 1870 | 46,386 | 8,967 | 23.96% |
| 1860 | 37,419 | 9,427 | 33.68% |
| 1850 | 27,992 | 6,490 | 30.18% |
| 1840 | 21,502 | -365,521 | -94.44% |
White
Black or African American
Asian
Two or more races
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 139,549 | 2.62 | 62.8 | 37.2 |
| Married | 66,422 | 3.36 | 79.1 | 20.9 |
| Non Family | 47,807 | 1.22 | 46.4 | 53.6 |
| Female | 18,301 | 3.31 | 49.6 | 50.4 |
| Male | 7,019 | 3.3 | 54.5 | 45.5 |
3.26
Average Family Size
2.62
Average Household Size
62.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 96.28%.
The highest rate of bachelors degrees is among asian people with a rate of 79.08%.
All
Male
Female
$57,625
Average Earnings
$64,982
Average Male
$50,863
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
67.23% of Mercer County, New Jersey residents speak only English, while 32.77% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 16.3% of the population.
rate
11.22%
Overall Poverty Rate
9.72%
Male Poverty Rate
12.69%
Female Poverty Rate
The race most likely to be in poverty in Mercer County, New Jersey is Black, with 19.86% below the poverty level.
The race least likely to be in poverty in Mercer County, New Jersey is White, with 6.11% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.72%. Among those working part-time, it was 12.22%, and for those that did not work, the poverty rate was 20.93%.
Married
Widowed
Divorced
Separated
NeverMarried
46.3%
Overall Marriage Rate
49.1%
Male Marriage Rate
43.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.84%
Veteran Poverty Rate
30.14%
Veteran Disability Rate
LaborForceParticipation
63.8%
Labor Force Participation
59.9%
Employment Rate
6.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
50.39%
Born in Mercer County, New Jersey
75.41%
Native Born
24.59%
Foreign Born
12.51%
Non Citizen
12.07%
Naturalized
75.41% of Mercer County, New Jersey residents were born in the United States, with 50.39% having been born in New Jersey. 12.51% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.