Mansfield is a city in Scott and Sebastian counties Arkansas, United States. The Sebastian County portion of the city is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. As of the 2010 Census, the population was 1,139. The population was 1,097 at the 2000 census.

Scott County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 9,836. The county seat is Waldron. Scott County is Arkansas' 28th county, formed on November 5, 1833, and named for Andrew Scott, a justice of the Supreme Court of the Arkansas Territory. It is an alcohol-prohibited or dry county.