Monmouth County, New Jersey
Monmouth County: County in New Jersey, United States
About
Monmouth County is a county located in the U.S. state of New Jersey. As of the 2010 census, the population was 630,380 and a population density of 366 people per km². After 10 years in 2020 county had an estimated population of 618,381 inhabitants. Its county seat is Freehold Borough. The county was created 341 years ago in 1683.
Quick Facts about Monmouth County
| Population : | 618,381 (2020) |
| Country : | United States of America |
| State : | New Jersey (United States) |
| Area : | 1723 km2 |
| Has part : | member of the Monmouth County Board of Chosen Freeholders |
| Water as percent of area : | 29.54% |
| Land as percent of area : | 70.46% |
| Altitude : | 75 feet / 23 meters |
| Capital : | Freehold Borough |
| Establishment : | March 03, 1683 |
| Time Zone : | America/New_York |
| Local time : | 03:51:59 (22nd February 2025) |
| Density : | 359 Pop. per km² as of 2020 |
| Population growth : | -1.94% (2010-2020) |
Geography
Monmouth County is located at 40°17'15"N 74°9'29"W (40.2875500, -74.1581500). It has 2 neighbors: Ocean County and Middlesex County.
Monmouth County map
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The largest city of Monmouth County is Long Branch with a population of 30,210. Other cities include, Tinton Falls population 17,406, Asbury Park population 15,377, Eatontown population 12,132 and Freehold population 11,658. See all Monmouth County cities & populated places.
Monmouth County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Monmouth County.
| City Name | Population | Title |
|---|---|---|
| Hamilton | 86,722 | Township in Mercer County, New Jersey, United States |
| Manalapan | 39,225 | Township in Monmouth County, New Jersey |
| Long Branch | 30,210 | City in New Jersey, United States |
| Hazlet | 19,641 | Township in Monmouth County, New Jersey |
| Tinton Falls | 17,406 | Borough in Monmouth County, New Jersey, United States |
| Holmdel | 16,670 | Township of New Jersey |
| Asbury Park | 15,377 | City in New Jersey, United States |
| West Freehold | 13,613 | Census designated place |
| Eatontown | 12,132 | Borough in Monmouth County, New Jersey, United States |
| Freehold | 11,658 | Borough in Monmouth County, New Jersey, United States |
| Colts Neck | 9,841 | Township in Monmouth County, New Jersey |
| Keansburg | 9,614 | Borough in New Jersey, United States |
| Matawan | 8,607 | Borough in New Jersey, United States |
| West Long Branch | 7,875 | Borough in Monmouth County, New Jersey |
| Keyport | 6,951 | Town in Monmouth County, New Jersey |
| Rumson | 6,671 | Borough in Monmouth County, New Jersey, United States |
- Official Website
Official website of Monmouth County
Monmouth County has 2 neighbours.
- Ocean County county in New Jersey, United States
- Middlesex County county in New Jersey, United States
- Freehold Borough
Demographics
According to census records, the population of Monmouth County decreased by 1.94% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 630,380 | - | census |
| 2011 | 629,119 | -0.2% | estimation process |
| 2012 | 627,641 | -0.24% | estimation process |
| 2013 | 626,912 | -0.12% | estimation process |
| 2014 | 625,512 | -0.22% | estimation process |
| 2015 | 624,079 | -0.23% | estimation process |
| 2016 | 622,971 | -0.18% | estimation process |
| 2017 | 621,990 | -0.16% | estimation process |
| 2018 | 620,459 | -0.25% | estimation process |
| 2019 | 618,795 | -0.27% | estimation process |
| 2020 | 618,381 | -0.07% | estimation process |
People born in Monmouth County (21)
People born in Monmouth County, including politician James Cox, philosopher Borden Parker Bowne, general David Forman, .
List
- Edward Black, Sr. (American politician) he was born in 24/04/1801
- Eliot Coleman (American farmer and writer) he was born in 01/01/1938
- Elisha Lawrence (politician) he was born in 01/01/1740
- Joseph Throckmorton (American steamship captain) he was born in 16/06/1800
- Theodore Fields (American sheriff) he was born in 01/01/1839
- Thomas Hutchins (American surveyor) he was born in 01/01/1730
- John D'Leo (American actor) he was born in 31/08/1995
- Isaac H. Carmin (Medal of Honor recipient) he was born in 17/11/1841
- Joseph W. Oxley (American politician and sheriff) he was born in 01/06/1958
- Hendrick Hendrickson (American politician) he was born in 23/04/1737
- Mickey Johnston (American jeweler) he was born in 01/01/1949
- Billy Rush (American musician, guitarist, composer, producer, arranger and engineer) he was born in 26/08/1952
- Obadiah C. Bogardus (American politician, dentist) he was born in 19/12/1859
- Diana Terry she was born in 01/01/1956
- Marina Mabrey (American basketball player) she was born in 14/09/1996
- William Reading Montgomery (United States Army officer 1801-1871) he was born in 10/07/1801
- George R. Rinhart (American art dealer and collector) he was born in 02/09/1944
- Robert Legato (Visual effects supervisor) he was born in 06/05/1956
New Jersey Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Somerset | 965,424 | Community in Franklin Township, New Jersey |
| Bergen County | 930,394 | County in New Jersey, United States |
| Middlesex County | 822,736 | County in New Jersey, United States |
| Essex County | 800,501 | County in New York, United States |
| Hudson County | 671,666 | County in New Jersey, United States |
| Ocean County | 614,237 | County in New Jersey, United States |
| Union County | 555,394 | County in Oregon, United States |
| Camden County | 506,809 | County in Missouri, United States |
| Passaic County | 500,382 | County in New Jersey, United States |
| Morris County | 491,087 | County in New Jersey, United States |
| Burlington County | 446,596 | County in New Jersey, United States |
| Mercer County | 367,239 | County in West Virginia, United States |
| Somerset County | 329,331 | County in Maine, United States |
| Gloucester County | 293,245 | County in New Jersey, United States |
| Newark | 282,520 | The most populous city in New Jersey and the center of the Newark metropolitan area. |
| Atlantic County | 262,945 | County in New Jersey, United States |
