Map of Merrimack County, New Hampshire

Merrimack County is a county in the U.S. state of New Hampshire. As of the 2020 Census, the population was 153,808, making it the third-most populous county in New Hampshire. Its county seat is Concord, the state capital. The county was organized in 1823 from parts of Hillsborough and Rockingham counties, and is named for the Merrimack River. Merrimack County comprises the Concord, NH Micropolitan Statistical Area, which in turn constitutes a portion of the Boston–Worcester–Providence, MA–RI–NH–CT Combined Statistical Area. In 2010, the center of population of New Hampshire was located in Merrimack County, in the town of Pembroke.

Merrimack County overview:
Name:	Merrimack County
FIPS code:	33-013
State:	New Hampshire
Founded:	1823
Named for:	Merrimack River
Seat:	Concord
Largest city:	Concord
Total Area:	955.0 sq mi (2,473 km²)
Land Area:	932.9 sq mi (2,416 km²)
Total Population:	153,808
Population Density:	164.9/sq mi (63.7/km²)
Time zone:	UTC−5 (Eastern)
Summer Time Zone (DST):	UTC−4 (EDT)
Website:	www.merrimackcounty.net

Merrimack County location map. Where is Merrimack County?

Merrimack County location on the U.S. Map. Where is Merrimack County. — Location of Merrimack County in the the United States.

Merrimack County location on the New Hampshire map. Where is Merrimack County. — Location of Merrimack County in New Hampshire.

Merrimack County Road Map

Merrimack CountyStreet Map. — Street map of Merrimack County, New Hampshire. Source: OpenStreetMap (OSM)

Merrimack CountyMap — Merrimack Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 956 square miles (2,480 km), of which 934 square miles (2,420 km) is land and 22 square miles (57 km) (2.3%) is water. It is the third-largest county in New Hampshire by land area. The highest point in Merrimack county is Mount Kearsarge, on the border of Warner and Wilmot, at 2,937 feet (895 m).