Welcome to Middlesex County ...
Time Zone: Middlesex County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.
The community of New Brunswick is the Seat for Middlesex County.
Middlesex County is one of the original counties of New Jersey and was founded in 1683.
From the Census Estimates for 2019, <1> Middlesex had a population of 825,062 people. This is an increase of 1.76% since the last Census (which gave a population of 810,758 people in 2010).
At the time of the 2010 Census, Middlesex represented 9.22% of the total population of New Jersey.
Below are some of the communities located in Middlesex County:
- New Brunswick
(3 miles [4.8 km] to the west)
- Jump to our Gazetteer entry for New Brunswick
- New Brunswick is located in Middlesex County (NJ)
- Population from the 2020 Census: 56,182 people
- Perth Amboy
(6 miles [9.7 km] to the east)
- Jump to our Gazetteer entry for Perth Amboy
- Perth Amboy is located in Middlesex County (NJ)
- Population from the 2020 Census: 51,309 people
- South Amboy
(5 miles [8 km] to the east)
- Jump to our Gazetteer entry for South Amboy
- South Amboy is located in Middlesex County (NJ)
- Population from the 2020 Census: 9,095 people
Websites of Interest ...
- Websites specific to New Jersey
- Websites specific to Middlesex County
- Websites for nearby counties
- Union County
- Monmouth County
- Mercer County
- Somerset County
- Richmond County
- Cemetery Information and Directories
Footnotes ...
| <1> | On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census. |