Merrimack County, New Hampshire
Merrimack County is a county in the U.S. state of New Hampshire. As of the 2010 census, the population was 146,445, making it the third-most populous county in New Hampshire. Its county seat is Concord, the capital of New Hampshire. The county was founded in 1823 from parts of Hillsborough and Rockingham counties, and is named for the Merrimack River.
- "State & County QuickFacts". United States Census Bureau. Archived from the original on July 14, 2011. Retrieved September 24, 2013.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Archived copy". Archived from the original on 2008-12-22. Retrieved 2008-09-15.CS1 maint: archived copy as title (link)