Mercer County, NJ Demographic Data
Mercer County, NJ Summary
Mercer County is located in New Jersey
- Population: 368,303
- Area: 228.89 sq. miles
- Land Area: 224.56 sq. miles
- Water Area: 4.33 sq. miles
- Population Density: 1,609.09 people per sq. mile
- Elevation: 62.34 ft
- Time Zone: Eastern Standard Time (GMT -5)
- Daylight Savings: Yes
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Mercer County, NJ Gender Breakdown
Gender
Number
Percent
National Avg
Female
189,644
51%
50.8
Male
181,379
49%
49.2
Total Population
371,023
323,128,000
Mercer County, NJ Age Breakdown
Age Group
Number
Percent
National Avg
Under 5 Years
21,000
5.7%
6.1
5 to 9 Years
21,129
5.7%
6.3
10 to 14 Years
23,178
6.2%
6.4
15 to 19 Years
27,212
7.3%
6.7
20 to 24 Years
28,726
7.7%
6.9
25 to 34 Years
47,379
12.8%
13.7
35 to 44 Years
47,642
12.8%
12.6
45 to 54 Years
53,106
14.3%
13.2
55 to 59 Years
26,239
7.1%
6.7
60 to 64 Years
22,197
6.0%
6.1
65 to 74 Years
30,446
8.2%
8.9
75 to 84 Years
14,103
3.8%
4.4
85 Years and Over
8,666
2.3%
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
291,406
78.5%
77.2
Female
150,393
51.6%
51.3
Male
141,013
48.4%
48.7
21 Years and over
272,087
73.3%
73.1
62 Years and over
65,897
17.8%
18.8
65 Years and over
53,215
14.3%
15.2
Female
30,680
57.7%
55.8
Male
22,535
42.3%
44.2
Median Age (years)
39
0.0%
0.0
Mercer County, NJ Race Breakdown
Race
Number
Percent
National Avg
One Race
363,527
98.0%
96.8
White
238,907
64.4%
72.6
Black or African American
78,453
21.1%
12.7
American Indian and Alaska Native
493
0.1%
0.8
Asian
40,864
11.0%
5.4
Asian Indian
21,802
5.9%
1.2
Chinese
10,383
2.8%
1.3
Filipino
2,760
0.7%
0.9
Japanese
879
0.2%
0.2
Korean
2,387
0.6%
0.4
Vietnamese
394
0.1%
0.6
Other Asian
2,259
0.6%
0.8
Native Hawaiian and Other Pacific Islander
597
0.2%
0.2
Native Hawaiian
0.1
Guamanian or Chamorro
0.0
Samoan
0.0
Other Pacific Islander
0.1
Some Other Race
4,213
1.1%
5.1
Two or More Races
7,496
2.0%
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
63,400
17.1%
17.8
Mexican
6,054
1.6%
11.2
Puerto Rican
20,867
5.6%
1.7
Cuban
584
0.2%
0.7
Other Hispanic or Latino
35,895
9.7%
4.2
Not Hispanic or Latino
307,623
82.9%
82.2
Mercer County, NJ Educational Attainment
Education Level
Number
Percent
National Avg
Less than 9th grade
14,384
5.8%
5.4
9th to 12th grade, no diploma
12,975
5.2%
7.2
High school graduate (includes equivalent)
63,215
25.3%
27.2
Some college, no degree
38,955
15.6%
20.6
Associate's Degree
13,589
5.4%
8.4
Bachelor's Degree
55,324
22.1%
19.3
Graduate or professional degree
51,336
20.6%
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
27,359
11.0%
12.6
High School Graduate or Higher
222,419
89.0%
87.4
Bachelor's Degree or Higher
106,660
42.7%
31.2
Mercer County, NJ Marital Status
Marital Status
Number
Percent
National Avg
Never Married
119,323
39.0%
33.7%
Now Married
137,214
44.9%
47.5
Divorced
26,220
8.6%
11.0%
Separated
6,809
2.2%
2.0
Widowed
16,150
5.3
5.8%
Mercer County, NJ Language Spoken at Home
Language
Number
Percent
National Avg
English Only
245,458
70.1%
78.4%
Languages other than english
104,565
29.9%
21.6%
Spanish
50,206
14.3%
13.3%
Other indo-european languages
30,171
8.6%
3.7%
Asian and Pacific islander languages
20,070
5.7%
3.5%
Other Languages
4,118
1.2%
1.1%
Mercer County, NJ Household Income
Household Income
Number
Percent
National Avg
Less than $10,000
7,370
5.7%
6.7
$10,000 to $14,999
4,657
3.6%
4.8
$15,000 to $24,999
10,164
7.9%
9.7
$25,000 to $34,999
9,473
7.4%
9.5
$35,000 to $49,999
10,250
8.0%
13.0
$50,000 to $74,999
20,167
15.7%
17.7
$75,000 to $99,999
15,983
12.5%
12.3
$100,000 to $149,000
21,954
17.1%
14.0
$150,000 to $199,999
11,060
8.6%
5.8
$200,000 or more
17,254
13.4%
6.4
Median household income
77,650
57,617
Per capita income
40,963
31,128
Mercer County, NJ Employment Breakdown
Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
583
0.3%
1.7
Arts, entertainment, recreation, accommodation and food services
12,571
7.0%
9.8
Construction
9,892
5.5%
6.4
Educational services, health care and social assistance
45,509
25.3%
23.0
Finance, insurance, real estate, rental, and leasing
16,796
9.3%
6.6
Information
3,281
1.8%
2.1
Manufacturing
13,375
7.4%
10.1
Other services except public administration
7,626
4.2%
4.9
Professional, scientific, management, administrative and waste management services
28,421
15.8%
11.4
Public administration
12,779
7.1%
4.6
Retail trade
15,296
8.5%
11.5
Transportation, warehousing and utilities
9,754
5.4%
5.2
Wholesale trade
3,999
2.2%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
12,172
6.8%
8.8%
Management, professional, and related occupations
82,865
46.1%
37.6%
Production, transportation, and material moving occupations
17,118
9.5%
12.2%
Sales and office occupations
38,132
21.2%
23.3%
Service occupations
29,595
16.5%
18.1%
Mercer County, NJ Commute Statistics
Commute Type
Number
Percent
National Avg
Workers 16 Years and over
175,409
Car, truck, or van - drove alone
124,046
70.7%
76.3
Car, truck, or van - carpooled
19,156
10.9%
9.0
Public transportation (excluding taxicab)
13,215
7.5%
5.1
Walked
6,773
3.9%
2.7
Other means
3,358
1.9%
1.8
Worked at home
8,861
5.1%
5.0
Mean travel time to work (Minutes)
28.7
26.6
Mercer County, NJ Vehicles per Household
Vehicles per Household
Number
Percent
National Avg
None
14,900
11.6%
8.7
1 vehicles
43,438
33.8%
33.2
2 vehicles
47,732
37.2%
37.1
3 or more
22,262
17.3%
21.0
Mercer County, NJ Housing Occupancy
Housing Occupancy
Number
Percent
National Avg
Total Housing Units
Occupied Housing Units
128,332
88.7%
87.6
Owner Occupied
80,834
63.0%
63.1
Renter Occupied
47,498
37.0%
36.9
Vacant Housing Units
16,402
11.3%
12.4
Homeowner Vacancy Rate
3
0.0%
0.0
Rental Vacancy Rate
4
0.0%
0.0
Average household size of owner-occupied unit
2.8
0.0%
2.7
Average household size of renter-occupied unit
2.6
0.0%
2.5
Mercer County, NJ Rooms per Residence
Rooms per Residence
Number
Percent
National Avg
Total Housing Units
144,734
1 room
3,177
2.2%
2.4
2 rooms
2,766
1.9%
2.7
3 rooms
10,700
7.4%
9.1
4 rooms
20,439
14.1%
16.5
5 rooms
23,569
16.3%
19.8
6 rooms
26,340
18.2%
17.8
7 rooms
18,892
13.1%
12.0
8 rooms
17,802
12.3%
8.6
9 rooms or more
21,049
14.5%
11.1
Median Rooms
6
0.0
Mercer County, NJ Structure Type Statistics
Structure Type
Number
Percent
National Avg
Total Housing Units
144,734
1-unit, detached
70,858
49.0%
61.5
1-unit, attached
33,494
23.1%
5.9
2-units
6,585
4.5%
3.6
3 or 4 units
4,371
3.0%
4.4
5 to 9 units
6,015
4.2%
4.8
10 to 19 units
11,346
7.8%
4.4
20 or more units
11,880
8.2%
9.0
Mobile home
185
0.1%
6.2
Boat, RV, van, etc.
0
0.0%
0.1
Mercer County, NJ Housing Age Statistics
Housing Age
Number
Percent
National Avg
1939 or earlier
35,252
24.4%
12.8%
1940 to 1949
8,948
6.2%
5.0%
1950 to 1959
22,328
15.4%
10.4%
1960 to 1969
17,613
12.2%
10.7%
1970 to 1979
16,372
11.3%
15.3%
1980 to 1989
14,868
10.3%
13.5%
1990 to 1999
12,364
8.5%
13.9%
2000 to 2009
13,908
9.6%
14.2%
2010 to 2013
2,248
1.6%
2.8%
2014 or later
833
0.6%
1.4%
Mercer County, NJ Household Heating
Heating Fuel Type
Number
Percent
National Avg
Utility Gas
97,001
75.6%
48.1
Bottled, tank, or LP gas
1,878
1.5%
4.7
Electricity
17,387
13.5%
38.7
Fuel oil, kerosene, etc.
10,057
7.8%
4.8
Coal or coke
80
0.1%
0.1
Wood
338
0.3%
1.9
Solar energy
177
0.1%
0.1
Other fuel
688
0.5%
0.5
No fuel used
726
0.6%
1.1
Mercer County, NJ Mortgage Statistics
Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
55,785
47295100.0
Less than $500
0
0.0%
1.6%
$500 to $999
2,411
4.3%
20.4%
$2,500 to $2,999
6,812
12.2%
7.0%
$1,000 to $1,499
7,663
13.7%
28.8%
$2,000 to $2,499
11,623
20.8%
11.8%
$1,500 to $1,999
13,400
24.0%
20.1%
$3,000 or more
13,876
24.9%
10.3%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
18,771
33.7%
45.4%
20.0% to 24.9%
10,700
19.2%
15.7%
25.0% to 29.9%
9,559
17.2%
10.6%
30.0% to 34.9%
5,149
9.3%
7.0%
35.0% or more
11,461
20.6%
21.3%
Not Computed
145
0.0%
0.0%
Mercer County, NJ Rent Statistics
Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
46,396
41,631,300
$3,000 or more
608
1.3%
1.8%
$2,500 to $2,999
1,019
2.2%
1.9%
$2,000 to $2,499
3,133
6.8%
4.4%
Less than $500
6,095
13.1%
10.7%
$1,500 to $1,999
6,961
15.0%
11.9%
$500 to $999
10,094
21.8%
41.0%
$1,000 to $1,499
18,486
39.8%
28.3%
No Cash Rent
1,102
0.0%
2,206,240
Median (Dollars)
1,159
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
6,691
14.8%
13.1%
15.0% to 19.9%
3,801
8.4%
12.9%
20.0% to 24.9%
5,072
11.2%
12.8%
25.0% to 29.9%
5,555
12.3%
11.5%
30.0% to 34.9%
3,629
8.0%
9.0%
35.0% or more
20,402
45.2%
40.7%
Not Computed
2,348
0.0%
0.0%
Mercer County, NJ Property Value
Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
80,834
75,022,600
Less then $50,000
1,485
1.8%
7.3%
$50,000 to $99,999
6,508
8.1%
7.3%
$100,000 to $149,000
4,652
5.8%
14.1%
$150,000 to $199,000
9,429
11.7%
14.5%
$200,000 to $299,999
21,436
26.5%
19.2%
$300,000 to $499,999
20,972
25.9%
18.2%
$500,000 to $999,999
13,241
16.4%
10.5%
$1,000,000 or more
3,111
3.8%
3.1%
Median (Dollars)
284,600
205,000
