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Monmouth County

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Monmouth County

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Also known as Monmouth County, New Jersey, Monmouth County, NJ

county in New Jersey, United States

Key facts

Country
United States
State
New Jersey
Named after
Monmouthshire , Wales
Seat
Freehold Borough
Largest city
Middletown Township (population), Howell Township (area)
Commissioner director
Thomas A. Arnone ( R , term ends December 31, 2025)
Total
661.40 sq mi (1,713.0 km )
Land
468.18 sq mi (1,212.6 km )
Water
193.22 sq mi (500.4 km ) 29.2%
Estimate 2025
651,035
Density
1,374.7/sq mi (530.78/km )
Time zone
UTC−5 ( Eastern )
Summer dst
UTC−4 ( EDT )
Congressional districts
3rd , 4th , 6th
Website
www .co .monmouth .nj .us

via Wikipedia infobox

Wikidata facts

Named after
Monmouthshire
Located in
New Jersey
Capital
Freehold
Population
643615
Area
1723
Time zone
UTC−04:00
Shares border with
Burlington County
Official website
www.co.monmouth.nj.us
Image
943 AP Boardwalk.JPG
Households
238235
Show 10 more facts
Commons category
Monmouth County, New Jersey
inception
1683-03-07
water as percent of area
29.54
native label
Monmouth County
different from
Monmouthshire
per capita income
53886
P12749
Selargius
Sources (11)

via Wikidata · CC0

~40 min read

Encyclopedic overview

Monmouth County (/ˈmɒnməθ/) is a county located in the central portion of the U.S. state of New Jersey. It is bordered to its west by Mercer and Middlesex Counties, to its south by Ocean County, to its east by the Atlantic Ocean, and to its north by the Raritan Bay (sharing a border with the boroughs of Staten Island, Brooklyn, and Queens in New York City, across it). Monmouth County's geographic area comprises 30% water. The county is part of the Jersey Shore region of the state.

As of the 2020 United States census, the county was the state's fifth-most-populous county with a population of 643,615, its highest decennial count ever and an increase of 13,235 (+2.1%) from the 2010 census count of 630,380, which in turn reflected an increase of 15,079 from 615,301 at the 2000 census. As of 2010, the county fell to the fifth-most populous county in the state, having been surpassed by Hudson County. The United States Census Bureau's Population Estimates Program estimated a 2025 population of 651,035, an increase of 7,420 (+1.2%) from the 2020 decennial census.

Excerpted from Wikipedia’s “Monmouth County” article, available under the CC BY-SA 4.0 licence.

Gallery (12)

On the map