Sussex County, New Jersey
Sussex County: county in Delaware, United States
About
Sussex County is a county located in the U.S. state of New Jersey. As of the 2010 census, the population was 149,265 and a population density of 48 people per km². After 10 years in 2020 county had an estimated population of 140,002 inhabitants. Its county seat is Georgetown. The county was created 343 years ago in 1682.
County Snapshot
Sussex County at a glance
Sussex County currently has 19 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
19
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
New Jersey counties
21
Open related pagesLargest city
SpartaPopulation 18,598
Top linked places
Quick Facts about Sussex County
| Population | 140,002 (2020) |
| Country | United States of America |
| State | New Jersey (United States) |
| Different from | Sussex County, Sussex County |
| Twitter username | sussexde_govt |
| Area | 3097 km2 |
| Water as percent of area | 21.7% |
| Land as percent of area | 78.3% |
| Latitude & Longitude | 41.1395,-74.6902 |
| Named for | Sussex |
| Altitude | 597 feet / 182 meters |
| Capital | Georgetown |
| Establishment | January 01, 1683 |
| Time Zone | America/New_York |
| Local time | 01:02:06 (19th April 2026) |
| Density | 45 Pop. per km² as of 2020 |
| Population growth | -6.62% (2010-2020) |
| Weather | 56℉ Rain Showers Likely 7-days weather |
Geography
Sussex County is located at 41°8'22"N 74°41'25"W (41.1394600, -74.6902300). It has 4 neighbors: Kent County, Dorchester County, Wicomico County and Worcester County.
Sussex County map
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The largest city of Sussex County is Hopatcong Hills with a population of 16,267. Other cities include, Hopatcong population 14,145, Newton population 7,977, Highland Lake population 4,933 and Stanhope population 3,288. See all Sussex County cities & populated places.
Sussex County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Sussex County.
| City Name | Population | Title |
|---|---|---|
| Sparta | 18,598 | Township of New Jersey |
| Hopatcong Hills | 16,267 | City in Sussex County, New Jersey, United States of America |
| Hopatcong | 14,145 | Borough in Sussex County, New Jersey, United States |
| Wantage | 10,899 | Township of New Jersey |
| Lake Mohawk | 9,916 | City in Byram Township, New Jersey, United States of America |
| Newton | 7,977 | Town in Sussex County, New Jersey, United States |
| Highland Lake | 4,933 | Town |
| Stillwater | 3,855 | Township of New Jersey |
| Montague | 3,630 | Township in Sussex County, New Jersey, United States |
| Stanhope | 3,288 | Borough of New Jersey |
| Fredon | 3,145 | Township in Sussex County, New Jersey, USA |
| Hamburg | 3,121 | Borough of New Jersey |
| Lafayette | 2,352 | Township in Sussex County, New Jersey |
| Ogdensburg | 2,245 | Borough in Sussex County, New Jersey |
| Sussex | 1,979 | Borough in Sussex County, New Jersey |
| Vernon Valley | 1,626 | Census designated place |
Weather
Rain showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
7-Day ForecastDemographics
According to census records, the population of Sussex County decreased by 6.62% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 149,265 | - | census |
| 2011 | 148,167 | -0.74% | estimation process |
| 2012 | 146,979 | -0.81% | estimation process |
| 2013 | 145,639 | -0.92% | estimation process |
| 2014 | 144,593 | -0.72% | estimation process |
| 2015 | 143,004 | -1.11% | estimation process |
| 2016 | 141,925 | -0.76% | estimation process |
| 2017 | 141,197 | -0.52% | estimation process |
| 2018 | 140,801 | -0.28% | estimation process |
| 2019 | 140,488 | -0.22% | estimation process |
| 2020 | 140,002 | -0.35% | estimation process |
People born in Sussex County (11)
People born in Sussex County, including professional wrestler Jay Briscoe, professional wrestler Mark Briscoe, politician Ruth Ann Minner, .
More notable people
- Samuel Cornish (American Presbyterian minister) he was born in 01/01/1795
- John Collins (governor (1776-1822)) he was born in 01/03/1776
- William Burton (American physician and Governor of Delaware (1789-1866)) he was born in 16/10/1789
- Ebe W. Tunnell (American politician (1844-1917)) he was born in 31/12/1844
- Caleb S. Layton (American politician) he was born in 12/04/1798
- William Peery (American politician) he was born in 01/01/1743
- A. R. Shockly (American minister) he was born in 01/01/1849
- Bethany Hall-Long (American politician) she was born in 12/11/1963
Other places with the same name (2)
- Sussex County, Delaware county in Delaware, United States with a population of 241,635 people.
- Sussex County, Virginia county in Virginia, United States with a population of 10,925 people.
New Jersey Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Somerset | 965,424 | This large community in Somerset County, New Jersey, is situated at an elevation of 92 feet. |
| 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 |
| Monmouth County | 618,381 | 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. |