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Monmouth County, New Jersey Demographics 2026

Monmouth County, New Jersey has a population of 645,353, the 6th most populous county in New Jersey. The median household income is $124,845 and the median home value is $606,100. The poverty rate is 6.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Monmouth County Quick Facts

Population 645,353
Median Household Income $124,845
Median Home Value $606,100
Poverty Rate 6.5%
Unemployment Rate 5.4%
Median Age 43.2 years
Homeownership Rate 75.5%
Affordability Ratio 4.9x
Bachelor's Degree+ 51.3%
High School Graduation 94.2%
Cities/Places 60
Population 645,353 6th of 21
Median Income $124,845 21% higher than state
Poverty Rate 6.5%
Unemployment 5.4%

How Monmouth County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population643,615645,353+0.3%
Median household income$122,727$124,845+1.7%
Median home value$566,500$606,100+7.0%

Economy & Housing

Household Income Distribution

Under $25K 9.4%
$25K-$50K 10.8%
$50K-$100K 20.4%
$100K+ 59.4%
Detailed income brackets
Under $10K
3.2%
$10K-$15K
2.0%
$15K-$20K
1.9%
$20K-$25K
2.3%
$25K-$30K
2.2%
$30K-$35K
1.9%
$35K-$40K
2.3%
$40K-$45K
2.1%
$45K-$50K
2.3%
$50K-$60K
4.0%
$60K-$75K
6.2%
$75K-$100K
10.3%
$100K-$125K
9.4%
$125K-$150K
8.1%
$150K-$200K
12.9%
$200K+
28.9%

Employment

5.4% Unemployment Rate State: 6.3%|National: 5.2%
66.0% Labor Force Participation

Housing Overview

Owner 75.5%
Renter 24.5%
Affordability Index Moderate
4.9x home value to income ratio
Median gross rent $1,827/mo 17.6% of median household income annually

People & Demographics

Diversity Index

47out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 66 | National average: 61

Education

Cities & Places in Monmouth County

CityPopulationMedian IncomePovertyHome Value
Long Branch32,530$79,65315.5%$574,000
Tinton Falls19,361$117,3086.8%$478,000
Asbury Park15,295$75,54421.9%$581,100
West Freehold14,883$130,8004.0%$529,000
Eatontown13,575$90,4634.4%$492,400
Red Bank12,862$97,4778.7%$504,900
Freehold12,507$85,70714.3%$416,800
Robertsville12,035$210,6612.6%$685,100
Keansburg9,719$81,42810.7%$311,800
Matawan9,710$123,35410.5%$467,800
West Long Branch8,586$114,2713.4%$684,300
Yorketown7,261$173,5104.2%$598,000
Rumson7,241$250,000+3.2%$1,679,300
Keyport7,171$82,3219.1%$417,100
Lincroft6,939$189,0002.0%$807,300
Strathmore6,708$151,8551.9%$539,500
Ramtown6,203$145,6631.9%$487,500
Oceanport6,195$126,0944.2%$757,700
Fair Haven6,170$250,000+1.1%$992,200
Little Silver6,105$240,8531.2%$955,900
Manasquan5,922$142,9443.0%$988,100
Morganville5,902$161,5003.5%$681,800
Belmar5,869$93,5737.6%$861,800
Union Beach5,707$119,2503.0%$460,900
East Freehold5,096$189,2194.7%$645,900
Brielle4,956$172,2501.3%$849,100
Spring Lake Heights4,861$106,7584.3%$721,100
Neptune City4,606$88,86416.9%$420,700
Highlands4,518$91,91310.1%$455,000
Atlantic Highlands4,410$126,0804.7%$628,100
Wanamassa4,279$140,9728.4%$570,100
Shrewsbury4,179$178,9583.6%$811,400
Bradley Beach4,158$97,0055.8%$932,800
Fairview3,892$165,1350.7%$622,600
Oakhurst3,538$145,8931.4%$718,900
Monmouth Beach3,207$150,1880.3%$995,000
Ocean Grove3,092$89,2866.9%$790,100
Cliffwood Beach3,056$116,5001.6%$365,600
Port Monmouth3,046$104,1355.3%$451,300
North Middletown3,035$116,21010.7%$357,100
Shark River Hills2,974$139,5243.2%$523,400
West Belmar2,862$108,6293.9%$531,300
Spring Lake2,779$215,6251.0%$2,000,000+
Leonardo2,493$138,1252.4%$450,700
Avon-by-the-Sea2,030$122,6353.4%$1,509,600
Englishtown1,989$91,11110.9%$509,900
Sea Girt1,980$213,7503.3%$2,000,000+
Navesink1,867$151,5572.9%$755,900
Sea Bright1,718$143,2416.9%$821,100
Allentown1,702$120,7144.4%$415,600
Belford1,636$113,3599.2%$514,000
Lake Como1,619$82,0453.7%$634,500
Farmingdale1,449$89,3275.7%$427,300
Roosevelt996$110,0002.9%$364,900
Interlaken939$199,1671.4%$1,058,200
Allenwood757$224,7044.4%$758,000
Cream Ridge727$212,7680.0%$864,500
Deal686$113,8548.3%$1,642,000
Allenhurst376$99,3755.9%$1,152,800
Loch Arbour185$118,7505.9%$1,375,000

Explore New Jersey Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Monmouth County is located in New Jersey with a total population of 645,353. It is the 6th most populous county out of 21 in New Jersey. The county encompasses 60 Census-designated places.

Age Demographics

The median age in Monmouth County is 43.2 years. This is 8% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Monmouth County is $124,845. This is 21% higher than the state median of $103,556. It is also 55% higher than the national median of $80,734. The poverty rate stands at 6.5%. This is 33% lower than the state poverty rate of 9.7%. The unemployment rate is 5.4%. This is 14% lower than the state rate of 6.3%. The median home value is $606,100. Housing costs are 33% higher than the state median of $454,400. The home-value-to-income ratio is 4.9x. 75.5% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 63.8%.

Race & Ethnicity

The largest racial or ethnic group in Monmouth County is White (non-Hispanic), making up 71.5% of the population. Hispanic or Latino residents account for 12.9%. The Black or African American population (5.8%) is well below the state average of 12.2%.

Education

51.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% higher than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.2%. Notably, 20.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Monmouth County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against New Jersey and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Monmouth County, New Jersey?

Monmouth County has a population of 645,353, making it the 6th most populous county in New Jersey.

What is the median income in Monmouth County?

The median household income in Monmouth County is $124,845 with a poverty rate of 6.5%.

How many cities are in Monmouth County, New Jersey?

Monmouth County contains 60 Census-designated places.