In 2020, Merrimack County, NH had a population of 151k people with a median age of 43.1 and a median household income of $77,937. Between 2019 and 2020 the population of Merrimack County, NH grew from 149,917 to 150,902, a 0.657% increase and its median household income grew from $75,737 to $77,937, a 2.9% increase.
The 5 largest ethnic groups in Merrimack County, NH are White (Non-Hispanic) (91.9%), Asian (Non-Hispanic) (2.07%), Two+ (Non-Hispanic) (1.86%), Black or African American (Non-Hispanic) (1.44%), and White (Hispanic) (1.43%).
None of the households in Merrimack County, NH reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
97.9% of the residents in Merrimack County, NH are U.S. citizens.
The largest universities in Merrimack County, NH are Southern New Hampshire University (21,418 degrees awarded in 2020), NHTI-Concord's Community College (766 degrees), and New England College (765 degrees).
In 2020, the median property value in Merrimack County, NH was $245,400, and the homeownership rate was 72.5%. Most people in Merrimack County, NH drove alone to work, and the average commute time was 27.1 minutes. The average car ownership in Merrimack County, NH was 2 cars per household.