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.
| Measure | Monmouth County | New Jersey | Change since 2015-2019 |
|---|---|---|---|
| Total population | 645,353 | 9,343,809 | +23,694 |
| Households | 251,712±1,121 | 3,507,701 | +16,350 |
| Average household size | 2.54±0.01 | 2.62 | −0.07 |
| Housing units | 270,415±215 | 3,791,354 | +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.
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.
| Middletown Township | 67,106 | $141,810 |
|---|---|---|
| Howell Township | 53,537 | $134,854 |
| Marlboro Township | 41,502 | $186,292 |
| Manalapan Township | 40,905 | $152,832 |
| Freehold Township | 35,369 | $128,643 |
| Long Branch | 31,667 | $79,653 |
| Neptune Township | 28,061 | $101,017 |
| Ocean Township, Monmouth County | 27,672 | $108,626 |
| Wall Township | 26,525 | $142,768 |
| Hazlet Township | 20,125 | $122,020 |
| Aberdeen Township | 19,329 | $121,795 |
| Tinton Falls | 19,181 | $117,308 |
| Holmdel Township | 17,400 | $165,013 |
| Asbury Park | 15,188 | $75,544 |
| Eatontown | 13,597 | $90,463 |
| West Freehold | 13,596 | $130,800 |
| Red Bank | 12,936 | $97,477 |
| Freehold | 12,538 | $85,707 |
| Robertsville | 11,399 | $210,661 |
| Millstone Township | 10,376 | $218,472 |
| Colts Neck Township | 9,957 | $199,573 |
| Keansburg | 9,755 | $81,428 |
| Matawan | 9,565 | $123,354 |
| West Long Branch | 8,587 | $114,271 |
| Rumson | 7,343 | $250,000 or more |
| Upper Freehold Township | 7,273 | $183,750 |
| Strathmore | 7,225 | $151,855 |
| Keyport | 7,204 | $82,321 |
| Lincroft | 7,060 | $189,000 |
| Yorketown | 6,617 | $173,510 |
| Ramtown | 6,329 | $145,663 |
| Fair Haven | 6,269 | $250,000 or more |
| Morganville | 6,203 | $161,500 |
| Oceanport | 6,150 | $126,094 |
| Little Silver | 6,131 | $240,853 |
| Manasquan | 5,938 | $142,944 |
| Belmar | 5,907 | $93,573 |
| Union Beach | 5,723 | $119,250 |
| East Freehold | 4,987 | $189,219 |
| Brielle | 4,982 | $172,250 |
| Spring Lake Heights | 4,890 | $106,758 |
| Neptune City | 4,626 | $88,864 |
| Highlands | 4,621 | $91,913 |
| Atlantic Highlands | 4,414 | $126,080 |
| Wanamassa | 4,344 | $140,972 |
| Bradley Beach | 4,282 | $97,005 |
| Shrewsbury | 4,184 | $178,958 |
| Oakhurst | 4,069 | $145,893 |
| Port Monmouth | 3,745 | $104,135 |
| Fairview, Monmouth County | 3,731 | $165,135 |
| Shark River HillsGEOID 3466840 | 3,583 | $139,524 |
| Monmouth Beach | 3,174 | $150,188 |
| North Middletown | 3,146 | $116,210 |
| Ocean Grove | 3,057 | $89,286 |
| Cliffwood Beach | 3,036 | $116,500 |
| Spring Lake | 2,789 | $215,625 |
| Leonardo | 2,549 | $138,125 |
| West Belmar | 2,459 | $108,629 |
| Englishtown | 2,346 | $91,111 |
| NavesinkGEOID 3449740 | 2,004 | $151,557 |
| Avon-by-the-Sea | 1,933 | $122,635 |
| Sea Girt | 1,866 | $213,750 |
| Allentown | 1,734 | $120,714 |
| Lake Como | 1,697 | $82,045 |
| BelfordGEOID 3404600 | 1,648 | $113,359 |
| Farmingdale | 1,504 | $89,327 |
| Sea Bright | 1,449 | $143,241 |
| Shrewsbury Township | 1,076 | $81,429 |
| AllenwoodGEOID 3400790 | 954 | $224,704 |
| Deal | 900 | $113,854 |
| Interlaken | 828 | $199,167 |
| Roosevelt | 808 | $110,000 |
| Cream RidgeGEOID 3415730 | 630 | $212,768 |
| Allenhurst | 472 | $99,375 |
| Loch ArbourGEOID 3441010 | 224 | $118,750 |
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.
| Measure | Monmouth County | New Jersey | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.2±0.2 | 40.1 | no clear change |
| Under 18 years | 20.9%±0.1 pts | 21.8% | – |
| 65 years and over | 19.1%±0.1 pts | 17.2% | – |
| Hispanic or Latino (any race) | 12.9% | 22.5% | +2.1 pts |
| White alone, not Hispanic | 71.5%±0.2 pts | 50.9% | −3.7 pts |
| Black or African American alone, not Hispanic | 5.8%±0.1 pts | 12.2% | −0.9 pts |
| Asian alone, not Hispanic | 5.4%±0.1 pts | 10.0% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.6%±0.3 pts | 3.5% | – |
| Some other race alone, not Hispanic | 0.8%±0.2 pts | 0.8% | – |
| Born outside the United States | 13.6%±0.4 pts | 23.9% | no clear change |
| Speak a language other than English at home (age 5+) | 18.4%±0.5 pts | 33.1% | – |
| Civilian veterans (age 18+) | 4.0%±0.2 pts | 3.7% | – |
| With a disability | 10.3%±0.3 pts | 10.8% | – |
| No health insurance coverage | 5.3%±0.3 pts | 7.5% | no clear change |
| High school graduate or higher (age 25+) | 94.2%±0.3 pts | 90.7% | – |
| Bachelor's degree or higher (age 25+) | 51.3%±0.7 pts | 43.6% | +5.3 pts |
| Graduate or professional degree (age 25+) | 20.0%±0.6 pts | 17.6% | – |
| Moved from another state in the past year | 1.5%±0.2 pts | 1.8% | – |
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.
| Measure | Monmouth County | New Jersey | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $124,845±$2,115 | $103,556 | no 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 line | 6.5%±0.4 pts | 9.7% | no clear change |
| Children under 18 below the poverty line | 7.2%±0.8 pts | 13.0% | −1.9 pts |
| Households receiving SNAP | 5.4%±0.4 pts | 9.1% | – |
| Households with a broadband subscription | 93.7%±0.4 pts | 92.8% | – |
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.
| Measure | Monmouth County | New Jersey | Change 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 rent | 44.4%±1.8 pts | 42.7% | no clear change |
| Median monthly owner costs, with a mortgage | $3,070±$36 | $2,829 | – |
| Owner-occupied homes | 75.6%±0.6 pts | 63.8% | +1.8 pts |
| Housing units | 270,415±215 | 3,791,354 | +8,836 |
| Homeowner vacancy rate | 0.7%±0.2 pts | 0.7% | – |
| Rental vacancy rate | 4.2%±0.8 pts | 3.5% | – |
| Single-family detached homes | 65.7%±0.6 pts | 52.6% | – |
| Mobile homes | 1.1%±0.2 pts | 0.9% | – |
| Built 2020 or later | 1.1%±0.2 pts | 1.1% | – |
| Built 1939 or earlier | 13.5%±0.5 pts | 17.4% | – |
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.
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%.
| Measure | Monmouth County | New Jersey | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.0%±0.5 pts | 66.4% | – |
| Unemployment rate | 5.4%±0.3 pts | 6.3% | +0.5 pts |
| Drove alone to work | 64.6%±0.8 pts | 62.2% | – |
| Carpooled | 7.5%±0.5 pts | 7.7% | – |
| Public transportation | 5.2%±0.3 pts | 8.1% | – |
| Walked | 1.7%±0.2 pts | 2.6% | – |
| Worked from home | 18.9%±0.7 pts | 16.8% | +13.2 pts |
| Mean travel time to work | 32.1 min±0.4 | 30.5 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?
| Measure | Rank |
|---|---|
| Population | 6th of 21 |
| Growth 2020-2025 | 20th of 21 |
| Residents per square mile | 9th of 21 |
| Median household income | 5th of 21 |
| Median home value | 2nd of 21 |
| Median gross rent | 6th of 21 |
| Poverty rate | 17th of 21 |
| Bachelor's degree or higher | 5th of 21 |
| Median age | 5th of 21 |
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.