Cities and Towns in Mercer County, New Jersey

Founded in 1838, Mercer County is one of 21 counties in the state of New Jersey. Historically, Mercer County was formed from Burlington County, Hunterdon County, Middlesex County, and Somerset County. The city of Trenton is the county seat. With FIPS code of 21, Mercer County has a population of 385,898 and area of 226 square miles (585 km²).

List of all cities in Mercer County, NJ alphabetically

City/Town Postal Code Area Code
Division of Revenue, NJ 08646 609
08695 609
East Windsor, NJ 08520 609
Educational Testing Service, NJ 08541 609
Ewing, NJ 08560 609
08618 609
08628 609
08638 609
Ewing Township, NJ 08618 609
08628 609
08638 609
Groveville, NJ 08620 609
Hamilton, NJ 08609 609
08610 609
08611 609
08619 609
08620 609
08629 609
08650 609
08690 609
08691 609
Hamilton Square, NJ 08690 609
Hightstown, NJ 08520 609
Hopewell, NJ 08525 609
Lawrence, NJ 08648 609
Lawrenceville, NJ 08648 609
Mercerville, NJ 08619 609
Nj Income Tax, NJ 08647 609
North J Income Tax, NJ 08647 609
North J State Income Tax, NJ 08645 609
Pennington, NJ 08534 609
Princeton, NJ 08540 609
08541 609
08542 609
08543 609
08544 609
Princeton Junction, NJ 08550 609
Princeton Township, NJ 08540 609
Princeton University, NJ 08544 609
Robbinsville, NJ 08691 609
State Income Tax, NJ 08645 609
State of Nj Motor Vehicles, NJ 08666 609
State of Nj Taxation Dept, NJ 08646 609
08695 609
Titusville, NJ 08560 609
Trenton, NJ 08601 609
08602 609
08603 609
08604 609
08605 609
08606 609
08607 609
08608 609
08609 609
08610 609
08611 609
08618 609
08619 609
08620 609
08625 609
08628 609
08629 609
08638 609
08645 609
08646 609
08647 609
08648 609
08650 609
08666 609
08690 609
08691 609
08695 609
Uppr Free Township, NJ 08691 609
West Trenton, NJ 08628 609
West Win Tow, NJ 08550 609
West Windsor, NJ 08550 609
Windsor, NJ 08561 609
Yardville, NJ 08620 609