County · New Jersey

Monmouth County, New Jersey

Monmouth County, New Jersey. Monmouth County had 651,035 residents in 2025 by the Census Bureau's estimate, up 1.2% since 2020, slower than New Jersey (+2.8%). It holds 75 places (38 cities, villages and boroughs, 15 towns and townships and 22 census-designated) and 155 census tracts. GEOID 34025.

Monmouth County is one of the 22 counties of the New York-Newark-Jersey City, NY-NJ metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

651,035

Census Bureau estimate (no margin published)
2020 Census count: 643,615 · ACS 2020-2024: 645,353

Median household income

$124,845

±$2,115 (90% margin)
New Jersey: $103,556

Median home value

$606,100

±$5,540 (90% margin)
New Jersey: $454,400

Median gross rent

$1,827

±$30 (90% margin)
New Jersey: $1,720

How many people live in Monmouth County, and is it growing?

The 2020 Census counted 643,615 residents in Monmouth County. The Census Bureau estimates 651,035 for July 1, 2025, up 1.2% since 2020, slower than New Jersey (+2.8%). The 2020-2024 American Community Survey puts the population at 645,353 over 468 square miles of land.

  • July 2020→2021 +3,488 (645,873)
  • 2021→2022 −847 (645,026)
  • 2022→2023 +770 (645,796)
  • 2023→2024 +2,877 (648,673)
  • 2024→2025 +2,362 (651,035)
Monmouth County in New Jersey. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureMonmouth CountyNew JerseyChange since 2015-2019
Total population645,3539,343,809+23,694
Households251,712±1,1213,507,701+16,350
Average household size2.54±0.012.62−0.07
Housing units270,415±2153,791,354+8,836

Monmouth County's population since 2000

From 615,301 in 2000 to 651,035 in 2025: up 5.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 615,301
  • 2005 (estimate) 627,838
  • 2010 Census 630,380
  • 2015 (estimate) 624,180
  • 2020 Census 643,615
  • 2025 (estimate) 651,035

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Monmouth County?

Monmouth County holds 75 places: 38 cities, villages and boroughs (incorporated places), 15 towns and townships (county subdivisions with their own government) and 22 census-designated places. The largest is Middletown Township with 67,135 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Monmouth County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Middletown Townshiptownship67,10666,883±36$141,810$608,3004.2%100%
Howell Townshiptownship53,53753,926±41$134,854$507,2006.8%100%
Marlboro Townshiptownship41,50241,648±54$186,292$701,2003.5%100%
Manalapan Townshiptownship40,90540,693±94$152,832$655,5005.2%100%
Freehold Townshiptownship35,36935,651±26$128,643$553,6005.6%100%
Long Branchcity31,66732,530±33$79,653$574,00015.5%100%
Neptune Townshiptownship28,06128,265±52$101,017$455,90010.4%100%
Ocean Township, Monmouth Countytownship27,67227,896±29$108,626$678,3008.2%100%
Wall Townshiptownship26,52526,541±38$142,768$720,4003.6%100%
Hazlet Townshiptownship20,12520,470±23$122,020$465,9003.7%100%
Aberdeen Townshiptownship19,32919,332±30$121,795$448,2003.5%100%
Tinton Fallsborough19,18119,361±53$117,308$478,0006.7%100%
Holmdel Townshiptownship17,40017,436±49$165,013$843,0002.8%100%
Asbury Parkcity15,18815,295±23$75,544$581,10021.9%100%
Eatontownborough13,59713,575±37$90,463$492,4004.4%100%
West FreeholdCDP13,59614,883±1,152$130,800$529,0004.0%100%
Red Bankborough12,93612,862±25$97,477$504,9008.7%100%
Freeholdborough12,53812,507±30$85,707$416,80014.3%100%
RobertsvilleCDP11,39912,035±834$210,661$685,1002.6%100%
Millstone Townshiptownship10,37610,385±43$218,472$737,4004.1%100%
Colts Neck Townshiptownship9,9579,953±24$199,573$917,2003.4%100%
Keansburgborough9,7559,719±26$81,428$311,80010.7%100%
Matawanborough9,5659,710±76$123,354$467,80010.5%100%
West Long Branchborough8,5878,586±22$114,271$684,3003.4%100%
Rumsonborough7,3437,241±20$250,000 or more$1,679,3003.2%100%
Upper Freehold Townshiptownship7,2737,250±23$183,750$710,4002.2%100%
StrathmoreCDP7,2256,708±739$151,855$539,5001.9%100%
Keyportborough7,2047,171±23$82,321$417,1009.1%100%
LincroftCDP7,0606,939±663$189,000$807,3002.0%100%
YorketownCDP6,6177,261±1,029$173,510$598,0004.2%100%
RamtownCDP6,3296,203±966$145,663$487,5001.9%100%
Fair Havenborough6,2696,170±19$250,000 or more$992,2001.1%100%
MorganvilleCDP6,2035,902±758$161,500$681,8003.5%100%
Oceanportborough6,1506,195±17$126,094$757,7004.1%100%
Little Silverborough6,1316,105±16$240,853$955,9001.2%100%
Manasquanborough5,9385,922±21$142,944$988,1003.0%100%
Belmarborough5,9075,869±21$93,573$861,8007.7%100%
Union Beachborough5,7235,707±22$119,250$460,9003.0%100%
East FreeholdCDP4,9875,096±711$189,219$645,9004.7%100%
Brielleborough4,9824,956±21$172,250$849,1001.3%100%
Spring Lake Heightsborough4,8904,861±31$106,758$721,1004.3%100%
Neptune Cityborough4,6264,606±17$88,864$420,70016.9%100%
Highlandsborough4,6214,518±30$91,913$455,00010.1%100%
Atlantic Highlandsborough4,4144,410±15$126,080$628,1004.6%100%
WanamassaCDP4,3444,279±934$140,972$570,1008.4%100%
Bradley Beachborough4,2824,158±21$97,005$932,8005.8%100%
Shrewsburyborough4,1844,179±28$178,958$811,4003.6%100%
OakhurstCDP4,0693,538±531$145,893$718,9001.4%100%
Port MonmouthCDP3,7453,046±639$104,135$451,3005.3%100%
Fairview, Monmouth CountyCDP3,7313,892±563$165,135$622,6000.7%100%
Shark River HillsGEOID 3466840CDP3,5832,974±278$139,524$523,4003.2%100%
Monmouth Beachborough3,1743,207±18$150,188$995,0000.2%100%
North MiddletownCDP3,1463,035±430$116,210$357,10010.7%100%
Ocean GroveCDP3,0573,092±447$89,286$790,1006.9%100%
Cliffwood BeachCDP3,0363,056±368$116,500$365,6001.6%100%
Spring Lakeborough2,7892,779±16$215,625$2,000,000 or more1.0%100%
LeonardoCDP2,5492,493±316$138,125$450,7002.4%100%
West BelmarCDP2,4592,862±618$108,629$531,3003.9%100%
Englishtownborough2,3461,989±215$91,111$509,90010.9%100%
NavesinkGEOID 3449740CDP2,0041,867±371$151,557$755,9002.9%100%
Avon-by-the-Seaborough1,9332,030±259$122,635$1,509,6003.4%100%
Sea Girtborough1,8661,980±268$213,750$2,000,000 or more3.3%100%
Allentownborough1,7341,702±199$120,714$415,6004.4%100%
Lake Comoborough1,6971,619±212$82,045$634,5003.7%100%
BelfordGEOID 3404600CDP1,6481,636±469$113,359$514,0009.2%100%
Farmingdaleborough1,5041,449±302$89,327$427,3005.7%100%
Sea Brightborough1,4491,718±280$143,241$821,1006.9%100%
Shrewsbury Townshiptownship1,0761,156±440$81,429$165,30010.9%100%
AllenwoodGEOID 3400790CDP954757±307$224,704$758,0004.4%100%
Dealborough900686±181$113,854$1,642,0008.3%100%
Interlakenborough828939±127$199,167$1,058,2001.4%100%
Rooseveltborough808996±358$110,000$364,9002.9%100%
Cream RidgeGEOID 3415730CDP630727±308$212,768$864,5000.0%100%
Allenhurstborough472376±112$99,375$1,152,8005.9%100%
Loch ArbourGEOID 3441010village224185±70$118,750$1,375,0005.9%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Monmouth County?

The median resident of Monmouth County is 43.2 years old; 20.9% are under 18 and 19.1% are 65 or older. The largest group is non-Hispanic white residents at 71.5%, then Hispanic or Latino residents (of any race) at 12.9%. 13.6% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureMonmouth CountyNew JerseyChange since 2015-2019
Median age43.2±0.240.1no clear change
Under 18 years20.9%±0.1 pts21.8%–
65 years and over19.1%±0.1 pts17.2%–
Hispanic or Latino (any race)12.9%22.5%+2.1 pts
White alone, not Hispanic71.5%±0.2 pts50.9%−3.7 pts
Black or African American alone, not Hispanic5.8%±0.1 pts12.2%−0.9 pts
Asian alone, not Hispanic5.4%±0.1 pts10.0%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic3.6%±0.3 pts3.5%–
Some other race alone, not Hispanic0.8%±0.2 pts0.8%–
Born outside the United States13.6%±0.4 pts23.9%no clear change
Speak a language other than English at home (age 5+)18.4%±0.5 pts33.1%–
Civilian veterans (age 18+)4.0%±0.2 pts3.7%–
With a disability10.3%±0.3 pts10.8%–
No health insurance coverage5.3%±0.3 pts7.5%no clear change
High school graduate or higher (age 25+)94.2%±0.3 pts90.7%–
Bachelor's degree or higher (age 25+)51.3%±0.7 pts43.6%+5.3 pts
Graduate or professional degree (age 25+)20.0%±0.6 pts17.6%–
Moved from another state in the past year1.5%±0.2 pts1.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Monmouth County earn?

Half of Monmouth County's 251,712 households earn less than $124,845 a year (±$2,115), against $103,556 in New Jersey. In 2015-2019 it was $122,741 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureMonmouth CountyNew JerseyChange since 2015-2019
Median household income$124,845±$2,115$103,556no clear change
Mean household income$170,714±$2,689$143,363–
Per capita income$66,696±$972$54,253+$3,069
People below the poverty line6.5%±0.4 pts9.7%no clear change
Children under 18 below the poverty line7.2%±0.8 pts13.0%−1.9 pts
Households receiving SNAP5.4%±0.4 pts9.1%–
Households with a broadband subscription93.7%±0.4 pts92.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Monmouth County?

Owners occupy 75.6% of Monmouth County's occupied homes and renters 24.4%. The median owner-occupied home is valued at $606,100 by its owner (±$5,540). The median renter pays $1,827 a month including utilities, and 44.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureMonmouth CountyNew JerseyChange since 2015-2019
Median home value (owner-occupied)$606,100±$5,540$454,400+$86,870
Median gross rent$1,827±$30$1,720+$105
Renters paying 35% or more of income on rent44.4%±1.8 pts42.7%no clear change
Median monthly owner costs, with a mortgage$3,070±$36$2,829–
Owner-occupied homes75.6%±0.6 pts63.8%+1.8 pts
Housing units270,415±2153,791,354+8,836
Homeowner vacancy rate0.7%±0.2 pts0.7%–
Rental vacancy rate4.2%±0.8 pts3.5%–
Single-family detached homes65.7%±0.6 pts52.6%–
Mobile homes1.1%±0.2 pts0.9%–
Built 2020 or later1.1%±0.2 pts1.1%–
Built 1939 or earlier13.5%±0.5 pts17.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Monmouth County building?

Builders took permits for 2,138 new housing units across Monmouth County in 2025 (1,481 single-family), 3.3 per 1,000 residents.

  • 2019 1,566 units
  • 2020 2,638 units
  • 2021 2,350 units
  • 2022 2,394 units
  • 2023 2,525 units
  • 2024 2,782 units
  • 2025 2,138 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Monmouth County get to work?

64.6% of Monmouth County's workers drive alone and 18.9% work from home. The average trip to work takes 32.1 minutes. The unemployment rate in 2020-2024 averaged 5.4%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureMonmouth CountyNew JerseyChange since 2015-2019
In the labor force (age 16+)66.0%±0.5 pts66.4%–
Unemployment rate5.4%±0.3 pts6.3%+0.5 pts
Drove alone to work64.6%±0.8 pts62.2%–
Carpooled7.5%±0.5 pts7.7%–
Public transportation5.2%±0.3 pts8.1%–
Walked1.7%±0.2 pts2.6%–
Worked from home18.9%±0.7 pts16.8%+13.2 pts
Mean travel time to work32.1 min±0.430.5 min−2.9 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Monmouth County's census tracts?

Monmouth County is divided into 155 census tracts. Among those with a reliable estimate, median household income runs from $44,659 (Tract 8072) to $250,000 or more (Tract 8039).

All 155 census tracts of Monmouth County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Monmouth County compare with New Jersey's other counties?

Monmouth County's rank among New Jersey's counties with a reliable estimate (1 = highest)
MeasureRank
Population6th of 21
Growth 2020-202520th of 21
Residents per square mile9th of 21
Median household income5th of 21
Median home value2nd of 21
Median gross rent6th of 21
Poverty rate17th of 21
Bachelor's degree or higher5th of 21
Median age5th of 21

Every county in New Jersey

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Monmouth County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.