- Middlesex County formed in 1683.
- One of New Jersey’s original counties.
- County seat is New Brunswick.
- Located in central New Jersey.
- Population exceeds 860,000 residents.
- New Brunswick is a major cultural center.
- Rutgers University–New Brunswick is located there.
- Thomas Edison Center at Menlo Park honors Edison.
- Cheesequake State Park offers recreation.
- The Raritan River flows through Middlesex.
- Edison Township is highly populated.
- Diverse communities shape county culture.
- Pharmaceutical and technology industries are important.
- The county has major highways.
- Woodbridge has a historic downtown.
- Agriculture continues in some areas.
- The county hosts many festivals.
- Suburban growth expanded after World War II.
- Transportation connects residents to New York.
- Education and research are major industries.
- Middlesex County mixes urban and suburban areas.