Estimate of Median Household Income for Merrimack County, NH was 84898.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Estimate of Median Household Income for Merrimack County, NH reached a record high of 84898.00000 in January of 2022 and a record low of 34346.00000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of Median Household Income for Merrimack County, NH - last updated from the United States Federal Reserve on May of 2024.