South River, New Jersey Population 2021

15,441
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South River is a city located in Middlesex County New Jersey. With a 2020 population of 15,441, it is the 60th largest city in New Jersey and the 2276th largest city in the United States . South River is currently declining at a rate of -1.08% annually and its population has decreased by -3.54% since the most recent census, which recorded a population of 16,008 in 2010. South River reached it's highest population of 16,145 in 2014. Spanning over 3 miles, South River has a population density of 5,544 people per square mile.

The average household income in South River is $91,783 with a poverty rate of 7.21%. The median rental costs in recent years comes to $1,288 per month, and the median house value is $299,600. The median age in South River is 37.4 years, 36.5 years for males, and 38.6 years for females.

South River Demographics

According to the most recent ACS, the racial composition of South River was:

  • White: 79.30%
  • Black or African American: 6.56%
  • Other race: 6.19%
  • Asian: 4.24%
  • Two or more races: 3.59%
  • Native American: 0.11%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of South River, New Jersey is 15,441 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 15,948.The last official US Census in 2010 recorded the population at 16,008.

South River, New Jersey Population 2021

Population by Race

Race Population Percentage
White12,68979.30%
Black or African American1,0506.56%
Some Other Race9906.19%
Asian6794.24%
Two or More Races5753.59%
American Indian and Alaska Native180.11%
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South River Population by Race

South River Population Pyramid $2021

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South River Median Age

37.4


Total

36.5


Male

38.6


Female

South River Adults

There are 12,424 adults, (2,184 of whom are seniors) in South River.

South River Age Dependency

56.3

Age Dependency Ratio

21.3

Old Age Dependency Ratio

34.9

Child Dependency Ratio

South River Sex Ratio

Female

7,913

49.45%

Male

8,088

50.55%

South River Population by Age

South River Renter vs Owner Occupied by Household Type

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South River Household Types

Type Owner Renter
Married74.2%25.8%
Female62.7%37.3%
All62.6%37.4%
Non Family46.3%53.7%
Male30.9%69.1%

62.6%

Rate of Home Ownership

South River Households and Families

Type Count Average Size Owned
All5,7702.7762.6
Married3,2683.3274.2
Non Family1,6521.1446.3
Female5043.3162.7
Male3464.5630.9

3.34

Average Family Size

2.77

Average Household Size

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South River Households by Type

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Education Attained Count Percentage
Less Than 9th Grade9708.63%
9th to 12th Grade8117.21%
High School Graduate3,84734.21%
Some College1,90016.90%
Associates Degree8627.67%
Bachelors Degree1,86716.60%
Graduate Degree9888.79%
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South River Educational Attainment by Sex (over 25)

South River Educational Attainment by Race

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Race Total High School Bachelors
White7,3916,1061,904
Hispanic2,3991,953398
Black761728158
Other Race667486136
Asian576576371
2+ Races267250122
Native American1111

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 64.41%.

South River Educational Attainment by Race

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Name Average Male Female
Overall$49,565$62,027$31,204
Less Than 9th Grade$34,155$44,818$12,074
High School Graduate$39,492$54,196$25,717
Some College$51,225$64,167$37,134
Bachelors Degree$65,019$88,750$51,063
Graduate Degree$75,306$76,741$

$49,565

Average Earnings

$62,027

Average Male

$31,204

Average Female

South River Earnings by Educational Attainment

South River Language by Age

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South River Language

54.28% of South River residents speak only English, while 45.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 22.78% of the population.

South River Language

South River Poverty by Race

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Name Total In Poverty Poverty Rate
White9,8466156.25%
Hispanic4,0503027.46%
Multiple57516228.17%
Black1,050444.19%
Asian679375.45%

7.21%

Overall Poverty Rate

5.91%

Male Poverty Rate

8.53%

Female Poverty Rate

Poverty in South River

The race most likely to be in poverty in South River is Multiple, with 28.17% below the poverty level.

The race least likely to be in poverty in South River is Black, with 4.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.50%. Among those working part-time, it was 10.89%, and for those that did not work, the poverty rate was 11.95%.

South River Poverty

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Name Poverty
Less Than 9th Grade11.34%
High School8.71%
Bachelors or Greater4.83%
Some College1.77%

South River Poverty Rate by Education

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Rate Poverty
Male Unemployed10.65%
Female Employed7.99%
Female Unemployed5.96%
Male Employed1.74%

South River Poverty Rate by Employment Status and Sex

South River Income by Household Type

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Name Median Mean
Households$78,162$91,783
Families$92,034$106,884
Married Families$98,824-
Non Families$38,514$47,430
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Income by Household Type

South River Marital Status

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Marriage Rates

53.7%

Overall Marriage Rate

53.4%

Male Marriage Rate

54.1%

Female Marriage Rate

South River Married by Age and Sex

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South River Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

South River Marital Status by Race

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South River Marital Status

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559

Number of Veterans

524

Male Veterans

35

Female Veterans

War Veterans
Vietnam160
First Gulf War88
Korea87
Second Gulf War60
World War II40

South River Veterans by War

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Age Group Veterans
75+202
65 to 74144
55 to 64102
35 to 5479
18 to 3432

South River Veterans by Age

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Name Veterans % of Total
White4874.87%
Hispanic542.05%
Black293.50%
Asian244.12%
Other Race192.73%

South River Veterans by Race

South River Veterans by Education

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4.47%

Veteran Poverty Rate

35.24%

Veteran Disability Rate

South River Veterans by Education

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71.2%

Labor Force Participation

64.2%

Employment Rate

9.8%

Unemployment Rate

South River Employment by Age

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South River Employment by Race

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South River Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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53.87%

Born in South River

69.96%

Native Born

30.04%

Foreign Born

15.63%

Non Citizen

14.41%

Naturalized

Place of Birth

69.96% of South River residents were born in the United States, with 53.87% having been born in New Jersey. 15.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

South River Place of Birth

Year Population Growth Annual Growth Rate
202115,441-169-1.08%
202015,610-169-1.07%
201915,779-169-1.06%
201815,948-86-0.54%
201716,034-23-0.14%
201616,057-74-0.46%
201516,131-14-0.09%
201416,145240.15%
201316,121-7-0.04%
201216,128370.23%
201116,091400.25%
201016,0517290.47%
200015,3221,6301.13%
199013,692-669-0.48%
198014,361-1,067-0.71%
197015,4282,0311.42%
196013,3972,0891.71%
195011,3085940.54%
194010,714-45-0.04%
193010,7594,1635.01%
19206,5961,8243.29%
19104,7721,9805.51%
19002,7920.00%

South River Population by Year