Nihonmatsu is a city in Fukushima Prefecture, Japan. As of 1 March 2018, the city has an estimated population of 55,484 in 18,898 households, and a population density of 160 persons per km². The total area of the city was 344.42 square kilometres (132.98 sq mi). Nihonmatsu has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 26 members. Nihonmatsu is a regional commercial center with a mixed economy. It is especially noted for furniture manufacturing and sake brewing. Nihonmatsu has 16 public elementary schools and seven public junior high school operated by the town government, and three public high schools operated by the Fukushima Board of Education.