Monmouth County, New Jersey Population 2024

639,510

Monmouth County, New Jersey's estimated 2024 population is 639,510 with a growth rate of -0.36% in the past year according to the most recent United States census data. Monmouth County, New Jersey is the 6th largest county in New Jersey. The 2010 population was 630,454 and has seen a growth of 1.44% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029628,040-2,294-0.36%
2028630,334-2,294-0.36%
2027632,628-2,294-0.36%
2026634,922-2,294-0.36%
2025637,216-2,294-0.36%
2024639,510-2,294-0.36%
2023641,804-2,294-0.36%
2022644,098-2,294-0.35%
2021646,3923,6210.56%
2020642,77123,0843.73%
2019619,687-1,172-0.19%
2018620,859-1,263-0.2%
2017622,122-933-0.15%
2016623,055-1,125-0.18%
2015624,180-1,401-0.22%
2014625,581-1,383-0.22%
2013626,964-718-0.11%
2012627,682-1,462-0.23%
2011629,144-1,310-0.21%
2010630,454
1990553,12449,9519.93%
1980503,17343,7949.53%
1970459,379124,97837.37%
1960334,401109,07448.41%
1950225,32764,08939.75%
1940161,23814,0299.53%
1930147,20942,28440.3%
1920104,92510,19110.76%
191094,73412,67715.45%
190082,05712,92918.7%
189069,12813,59024.47%
188055,5389,34320.23%
187046,1956,84917.41%
186039,3469,03329.8%
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%
179016,918-611,122-97.31%
showing: 41 rows
2024 Growth Rate
-0.36% (-2,294)
County Website
Monmouth County
County Seat
2010 Population
630,454
Area
468 mi²
Density
1366 people/mi²
Growth Since 2010
1.44% (9,056)
Founded
1683

Monmouth County, New Jersey Population 2024

Population by Race

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Race
Population
Percentage (of total)
White504,81978.5%
Black or African American42,3846.59%
Two or more races38,1525.93%
Asian34,8005.41%
Other race20,4463.18%
Native American2,1930.34%
Native Hawaiian or Pacific Islander2700.04%
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Monmouth County, New Jersey Population by Race

Monmouth County, New Jersey Population Pyramid 2024

Monmouth County, New Jersey Median Age

43.3

Total

41.8

Male

44.8

Female

Monmouth County, New Jersey Adults

There are 509,072 adults, (117,516 of whom are seniors) in Monmouth County, New Jersey.

Monmouth County, New Jersey Age Dependency

64.2

Age Dependency Ratio

30

Old Age Dependency Ratio

34.2

Child Dependency Ratio

Monmouth County, New Jersey Sex Ratio

Female327,32250.9%
Male315,74249.1%

Monmouth County, New Jersey Population by Age

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

Household Type
Count
Average Size
Owner
Renter
All248,1172.5775.624.4
Married136,5683.2489.610.4
Non Family79,2031.257.942.1
Female22,9923.0958.641.4
Male9,3542.9661.938.1
showing: 5 rows

3.14

Average Family Size

2.57

Average Household Size

75.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Monmouth County, New Jersey Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Monmouth County, New Jersey Educational Attainment by Sex (over 25)

Monmouth County, New Jersey Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 71.3%.

Monmouth County, New Jersey Educational Attainment by Race

All

Male

Female

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$69,524

Average Earnings

$85,889

Average Male

$55,600

Average Female

Monmouth County, New Jersey Earnings by Educational Attainment

Monmouth County, New Jersey Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Monmouth County, New Jersey Language

82.55% of Monmouth County, New Jersey residents speak only English, while 17.45% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.94% of the population.

Monmouth County, New Jersey Language

Monmouth County, New Jersey Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White469,61623,5645.02%
Hispanic71,9449,09312.64%
Black41,3815,54213.39%
Other20,3493,32016.32%
Multiple37,8252,7987.4%
Asian34,6781,3493.89%
Native2,1931004.56%
showing: 7 rows

6.38%

Overall Poverty Rate

5.47%

Male Poverty Rate

7.25%

Female Poverty Rate

Poverty in Monmouth County, New Jersey

The race most likely to be in poverty in Monmouth County, New Jersey is Other, with 16.32% below the poverty level.

The race least likely to be in poverty in Monmouth County, New Jersey is Asian, with 3.89% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.05%. Among those working part-time, it was 7.12%, and for those that did not work, the poverty rate was 12.84%.

Monmouth County, New Jersey Poverty

rate

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Rate
Poverty
Less Than 9th Grade17.53%
High School9.74%
Some College6.03%
Bachelors or Greater2.92%
showing: 4 rows

Monmouth County, New Jersey Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed16.17%
Male Unemployed13.07%
Female Employed3.45%
Male Employed2.14%
showing: 4 rows

Monmouth County, New Jersey Poverty Rate by Employment Status and Sex

Monmouth County, New Jersey Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Monmouth County, New Jersey Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.7%

Overall Marriage Rate

56.2%

Male Marriage Rate

51.3%

Female Marriage Rate

Monmouth County, New Jersey Married by Age and Sex

male

female

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 35-44.

Monmouth County, New Jersey Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Monmouth County, New Jersey Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

22,168

Number of Veterans

20,974

Male Veterans

1,194

Female Veterans

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Monmouth County, New Jersey Veterans by War

count

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Monmouth County, New Jersey Veterans by Age

count

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Monmouth County, New Jersey Veterans by Race

Monmouth County, New Jersey Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.36%

Veteran Poverty Rate

26.56%

Veteran Disability Rate

Monmouth County, New Jersey Veterans by Education

LaborForceParticipation

66.5%

Labor Force Participation

62.8%

Employment Rate

5.4%

Unemployment Rate

Monmouth County, New Jersey Employment by Age

LaborForceParticipation

Monmouth County, New Jersey Employment by Race

LaborForceParticipation

Monmouth County, New Jersey Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

57.2%

Born in Monmouth County, New Jersey

86.76%

Native Born

13.24%

Foreign Born

4.32%

Non Citizen

8.92%

Naturalized

Place of Birth

86.76% of Monmouth County, New Jersey residents were born in the United States, with 57.2% having been born in New Jersey. 4.32% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Monmouth County, New Jersey Place of Birth

Sources