Monmouth County, New Jersey Population 2020

Monmouth County, New Jersey's estimated population is 619,408 with a growth rate of -0.16% in the past year according to the most recent United States census data. Monmouth County, New Jersey is the 5th largest county in New Jersey.

Year Population Growth Growth Rate
2020619,408-973-0.16%
2019620,381-973-0.16%
2018621,354-973-0.16%
2017622,327-959-0.15%
2016623,286-1,034-0.17%
2015624,320-1,327-0.21%
2014625,647-1,333-0.21%
2013626,980-683-0.11%
2012627,663-1,439-0.23%
2011629,102-1,378-0.22%
2010630,48077,35613.99%
1990553,12449,9519.93%
1980503,17343,7949.53%
1970459,379124,97837.37%
1960334,401109,07448.41%
1950225,32764,08939.75%
1940161,23814,0299.53%
1930147,20942,28440.30%
1920104,92510,19110.76%
191094,73412,67715.45%
190082,05712,92918.70%
189069,12813,59024.47%
188055,5389,34320.23%
187046,1956,84917.41%
186039,3469,03329.80%
185030,313-2,596-7.89%
184032,9093,67612.57%
183029,2334,19516.75%
182025,0382,88813.04%
181022,1502,27811.46%
180019,8722,95417.46%
179016,9180.00%

Monmouth County, New Jersey Population Growth

Population by Race

Race Population Percentage
White513,71182.41%
Black or African American43,9597.05%
Asian33,7725.42%
Some Other Race17,8752.87%
Two or More Races12,7992.05%
American Indian and Alaska Native1,0000.16%
Native Hawaiian and Other Pacific Islander2710.04%

Monmouth County, New Jersey Population Pyramid 2020

Monmouth County, New Jersey Median Age

43.2


Total

41.6


Male

44.5


Female

Monmouth County, New Jersey Adults

There are 488,051 adults, (103,679 of whom are seniors) in Monmouth County, New Jersey.

Monmouth County, New Jersey Age Dependency

62.2

Age Dependency Ratio

27

Old Age Dependency Ratio

35.2

Child Dependency Ratio

Monmouth County, New Jersey Sex Ratio

Female

320,233

51.37%

Male

303,154

48.63%

Monmouth County, New Jersey Households and Families

Monmouth County, New Jersey Renter vs Owner Occupied by Household Type

Monmouth County, New Jersey Household Types

Type Owner Renter
Married87.8%12.2%
All73.7%26.3%
Female58.3%41.7%
Male56.8%43.2%
Non Family55.3%44.7%

73.7%

Rate of Home Ownership

Type Count Average Size Owned
All233,8742.6473.7
Married129,9003.2987.8
Non Family71,9891.255.3
Female23,3153.1958.3
Male8,6703.3756.8

3.21

Average Family Size

2.64

Average Household Size

4.8%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Monmouth County, New Jersey Education

Education Attained Count Percentage
Less Than 9th Grade11,7942.71%
9th to 12th Grade17,9294.12%
High School Graduate104,60224.04%
Some College73,42716.88%
Associates Degree31,9237.34%
Bachelors Degree117,76627.07%
Graduate Degree77,60717.84%

Monmouth County, New Jersey Educational Attainment by Race

Name Total High School Bachelors
White341,038326,331162,929
Hispanic37,25727,6878,122
Black29,39925,8656,255
Asian23,54121,83815,907
Other Race10,2446,5811,466
Multiple Races5,1314,5552,053
Native American703577355
Islander17417190

The highest rate of high school graduation is among islander people with a rate of 98.28%.

The highest rate of bachelors degrees is among asian people with a rate of 67.57%.

Name Average Male Female
Overall$55,930$71,627$43,125
Less Than High School$24,996$29,272$18,988
High School Grad$36,094$48,482$27,957
Some College$44,966$59,608$35,528
Bachelors Degree$69,651$93,556$54,408
Graduate Degree$91,261$121,973$71,597

$55,930

Average Earnings

$71,627

Average Male

$43,125

Average Female

Monmouth County, New Jersey Language

Monmouth County, New Jersey Language by Age

Monmouth County, New Jersey Language

82.59% of Monmouth County, New Jersey residents speak only English, while 17.41% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.27% of the population.

Monmouth County, New Jersey Poverty

Monmouth County, New Jersey Poverty by Race

Name Total In Poverty Poverty Rate
White465,91024,5865.28%
Hispanic65,77211,17917.00%
Black42,8937,49317.47%
Other17,6674,31324.41%
Multiple12,6351,82014.40%
Asian33,6221,4714.38%
Islander26811041.04%
Native974828.42%

7.43%

Overall Poverty Rate

6.68%

Male Poverty Rate

8.14%

Female Poverty Rate

Poverty in Monmouth County, New Jersey

The race most likely to be in poverty in Monmouth County, New Jersey is Islander, with 41.04% below the poverty level.

The race least likely to be in poverty in Monmouth County, New Jersey is Asian, with 4.38% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.30%. Among those working part-time, it was 8.34%, and for those that did not work, the poverty rate was 13.12%.

Name Poverty
Less Than High School18.60%
High School10.07%
Some College6.04%
Bachelors or Greater2.90%

Monmouth County, New Jersey Income

Monmouth County, New Jersey Income by Household Type

Name Median Mean
Households$95,699$128,657
Families$119,624$153,271
Married Families$136,379$171,914
Non Families$48,593$69,116

Monmouth County, New Jersey Marital Status

Monmouth County, New Jersey Marital Status

Marriage Rates

53.4%

Overall Marriage Rate

55.8%

Male Marriage Rate

51.2%

Female Marriage Rate

Monmouth County, New Jersey Married by Age and Sex

Monmouth County, New Jersey 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 45-54.

Monmouth County, New Jersey Marital Status by Race

Monmouth County, New Jersey Veterans

25,948

Number of Veterans

24,358

Male Veterans

1,590

Female Veterans

War Veterans
Vietnam9,980
Korea3,398
First Gulf War2,879
Second Gulf War2,208
World War II1,726
Name Veterans % of Total
White22,5685.54%
Black2,6047.62%
Hispanic1,2442.83%
2 or More2824.34%
Other1991.64%
Asian1950.74%
Indian10012.87%

$Monmouth County, New Jersey Veterans by Education

5.23%

Veteran Poverty Rate

26.11%

Veteran Disability Rate

Monmouth County, New Jersey Employment Status

65.9%

Labor Force Participation

62.4%

Employment Rate

5.2%

Unemployment Rate

Monmouth County, New Jersey Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

56.53%

Born in New Jersey

86.67%

Native Born

13.33%

Foreign Born

5.17%

Non Citizen

Place of Birth

86.67% of Monmouth County, New Jersey residents were born in the United States, with 56.53% having been born in New Jersey. 5.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990