Here you’ll find 4 Cities and Towns in New Jersey that start with J, organized from “Jackson” to “Jersey City”. This set includes both small township communities and one of the state’s largest cities, offering varied local character.
Cities and Towns in New Jersey that start with J are incorporated municipalities whose names begin with the letter J. Notably, Jersey City grew into a major port and now anchors a diverse Hudson River skyline.
Below you’ll find the table with Name, Type, County, State, Population (year and source), and Official website.
Name: Shows the municipality’s official name so you can identify it and locate the place quickly.
Type: Identifies whether the place is a city, town, borough, or township so you understand its governance form.
County: Lists the county to help you place the municipality within regional services and nearby communities.
State: Confirms the state as New Jersey so you avoid confusion with places of the same name elsewhere.
Population (year and source): Shows the latest available population figure, the census year, and the data source for quick demographic reference.
Official website: Provides a direct link to the municipality’s official site so you can access local services and contacts.
Cities and Towns in New Jersey that start with J
Name | Type | County | Country |
---|---|---|---|
Jackson | Township | Ocean County | United States |
Jamesburg | Borough | Middlesex County | United States |
Jefferson | Township | Morris County | United States |
Jersey City | City | Hudson County | United States |
Descriptions

Jackson
A large suburban community in the Pinelands region, well-known as the home of Six Flags Great Adventure. Population: 58,544 (2020 Census). Official website: jacksontwpnj.net.

Jamesburg
A small, historic borough completely surrounded by Monroe Township and home to the expansive Thompson Park. Population: 5,783 (2020 Census). Official website: jamesburgborough.org.
Jefferson
Located in the New Jersey Highlands, this township contains a large portion of Lake Hopatcong, the state’s largest freshwater lake. Population: 21,806 (2020 Census). Official website: jeffersontownship.net.

Jersey City
New Jersey’s second-largest city, located on the Hudson River with a stunning skyline view of Manhattan. Population: 292,449 (2020 Census). A major hub of finance and transportation. Official website: jerseycitynj.gov.