Merrimack County

Merrimack County is a county in New Hampshire, United States. The population in Merrimack County was 156,020 in 2022. The median age in Merrimack County was 43 in 2021. The median income in Merrimack County was $38,691 in 2021. The unemployment rate in Merrimack County was 2.2% in 2023. The percentage of people with obesity in Merrimack County was 31.1% in 2021. The percentage of people who binge drink in Merrimack County was 17.9% in 2021. The percentage of people who smoke in Merrimack County was 14.1% in 2021.