Population Demographics for Mercer County, New Jersey in 2020, 2019



Other Counties and Cities in New Jersey


Population Demographics by Race

RacePopulation% of Total
Total Population366,513100
White225,01161
Black or African American74,31820
Hispanic or Latino55,31815
Asian32,7528
Some Other Race22,8566
Two or More Races10,0872
American Indian1,194Below 1%
Three or more races724Below 1%
Native Hawaiian Pacific Islander295Below 1%

Population Demographics by Race and gender.

MaleFemaleTotal
Total Population179,033187,480366,513
White109,496115,515225,011
Black or African American34,96539,35374,318
Hispanic or Latino29,86425,45455,318
Asian15,98216,77032,752
Some Other Race12,61410,24222,856
Two or More Races5,1464,94110,087
American Indian6635311,194
Three or more races328396724
Native Hawaiian Pacific Islander167128295

Relevant Related Information

Demographic population totals

Total population in Mercer County

 
Total Population:366,513
Male Population:179,033
Female Population:187,480

Demographic median age by sex

Median age in Mercer County

 
Both sexes37
Male36
Female39

Demographic sex by age for the population in households

Population in households in Mercer County

 
Total Population:347,708
Male Population:168,636
Under 5 years:11,083
5 to 9 years:11,696
10 to 14 years:12,050
15 to 17 years:7,487
18 and 19 years:4,123
20 years:2,165
21 years:2,150
22 to 24 years:6,597
25 to 29 years:11,344
30 to 34 years:10,921
35 to 39 years:11,785
40 to 44 years:12,694
45 to 49 years:13,319
50 to 54 years:12,916
55 to 59 years:10,923
60 and 61 years:3,799
62 to 64 years:5,076
65 and 66 years:2,666
67 to 69 years:3,476
70 to 74 years:4,301
75 to 79 years:3,481
80 to 84 years:2,606
85 years and over:1,978
Female Population:179,072
Under 5 years:10,397
5 to 9 years:11,063
10 to 14 years:11,635
15 to 17 years:7,272
18 and 19 years:3,663
20 years:1,855
21 years:2,029
22 to 24 years:6,272
25 to 29 years:11,181
30 to 34 years:11,528
35 to 39 years:12,493
40 to 44 years:13,288
45 to 49 years:14,445
50 to 54 years:13,806
55 to 59 years:12,221
60 and 61 years:4,315
62 to 64 years:5,795
65 and 66 years:3,110
67 to 69 years:4,153
70 to 74 years:5,484
75 to 79 years:4,674
80 to 84 years:4,057
85 years and over:4,336

Demographic average population of home by age

Average household size in Mercer County

 
Total:2
Under 18 years:0
18 years and over:1

Demographic household type

Number of occupied homes in Mercer County

 
Total:133,155
Family led homes:89,448
Husband-wife family:64,160
Other family:25,288
Population of male led with no wife present:6,398
Population female led with no husband present:18,890
Population of Nonfamily homes:43,707
Population living alone:35,878
Population not living alone:7,829

Demographic population of homes with people under 18 years old by type

Total occupied homes in Mercer County with people under 18 years old:

 
Total:133,155
Population of homes with one or more people under 18 years:45,992
Population of family homes:45,690
Husband-wife family:30,813
Under 6 years only:7,289
Under 6 years and 6 to 17 years:6,007
6 to 17 years only:17,517
Other family:14,877
Male householder, no wife present:3,235
Under 6 years only:824
Under 6 years and 6 to 17 years:586
6 to 17 years only:1,825
Female led with no husband present:11,642
Under 6 years only:2,404
Under 6 years and 6 to 17 years:2,228
6 to 17 years only:7,010
Nonfamily households:302
Male led households:218
Under 6 years only:48
Under 6 years and 6 to 17 years:22
6 to 17 years only:148
Female led householder:84
Under 6 years only:20
Under 6 years and 6 to 17 years:8
6 to 17 years only:56
Households with no people under 18 years:87,163
Family households:43,758
Husband-wife family:33,347
Other family:10,411
Male led with no wife present:3,163
Female led with no husband present:7,248
Nonfamily households:43,405
Male led householder:18,665
Female led householder:24,740

Demographic type of home by age of owner-renter

Total number led homes in Mercer County, by type

 
Total Home Population:133,155
Population of Family homes:89,448
Population of 15 to 24 year olds:1,863
Population of 25 to 34 year olds:12,071
Population of 35 to 44 year olds:20,729
Population of 45 to 54 year olds:22,796
Population of 55 to 59 year olds:9,191
Population of 60 to 64 year olds:7,526
Population of 65 to 74 year olds:8,720
Population of 75 to 84 year olds:5,064
Population of 85 year olds and over:1,488
Population of Nonfamily Homes:43,707
Population of 15 to 24 year olds:1,831
Population of 25 to 34 year olds:6,273
Population of 35 to 44 year olds:5,360
Population of 45 to 54 year olds:7,717
Population of 55 to 59 year olds:4,323
Population of 60 to 64 year olds:4,022
Population of 65 to 74 year olds:5,888
Population of 75 to 84 year olds:5,157
Population of 85 year olds and over:3,136

Demographic population of homes with people 60 year olds and over

households in Mercer County containing people over 60

 
Total Population:133,155
Population of homes with one or more people 60 years and over:46,376
1-person household:17,018
2-or-more-person household:29,358
Family households:27,848
Nonfamily households:1,510
Population of homes with no people 60 years and over:86,779
1-person household:18,860
2-or-more-person household:67,919
Family homes:61,600
Nonfamily homes:6,319

Demographic population of multigenerational homes

homes in Mercer County with multiple generations.

 
Total Population:133,155
Home has three or more generations:5,945
Home does not have three or more generations:127,210

Demographic presence of unmarried partner of home owner-renter

Unmarried population in Mercer County under 18 years old in homes

 
Total Population:82,625
Unmarried partner of home lead present:5,967
In family homes:5,784
Population of male led and male partner homes:208
Population of male led and female partner households:2,217
Population of female led and female partner households:335
Population of female led and male partner households:3,024
In nonfamily homes:183
Population of male led and male partner homes:3
Population of male led and female partner homes:148
Population of female led and female partner homes:9
Population of female led and male partner homes:23
No unmarried partner of home lead present:76,658
In family homes:76,433
Population of husband-wife family homes:56,400
Population of male lead with no wife present, family homes:3,018
Population of female lead with no husband present, family homes:17,015
In nonfamily homes:225

Demographic population in families by age

Population in families living in Mercer County

 
Total Population:282,863
Population Under 18 years:81,547
Population 18 years and over:201,316

Demographic tenure of people in homes

How long in Mercer County have lived in one place.

 
Total:133,155
Population of Owner occupied homes:87,700
Family home:65,963
Nonfamily homess:21,737
Male led home:8,484
Living alone:6,814
Not living alone:1,670
Female led home:13,253
Living alone:11,633
Not living alone:1,620
Population of Renter occupied homes:45,455
Family run homes:23,485
Husband-wife family:10,957
Other family:12,528
Male led with no wife present:3,053
Female led with no husband present:9,475
Nonfamily Homes:21,970
Male led homes:10,399
Male living alone:7,789
Male not living alone:2,610
Female led homes:11,571
Females living alone:9,642
Females not living alone:1,929