

There were 8,406 households, out of which 36.40% had children under the age of 18 living with them, 58.60% were married couples living together, 10.60% had a female householder with no husband present, and 25.80% were non-families. Approximately 0.73% of the population were Hispanic or Latino of any race. The racial makeup of the county was 95.47% White, 2.48% Black or African American, 0.66% Native American, 0.15% Asian, 0.01% Pacific Islander, 0.15% from other races, and 1.08% from two or more races. There were 9,894 housing units at an average density of 13 units per square mile (5.0/km 2). The population density was 31 inhabitants per square mile (12/km 2). Adjacent counties ĭemographics Historical population CensusĪs of the census of 2000, there were 23,344 people, 8,406 households, and 6,237 families residing in the county. Census Bureau, the county has a total area of 762 square miles (1,970 km 2), of which 760 square miles (2,000 km 2) is land and 2.6 square miles (6.7 km 2) (0.3%) is water. Washington County was officially organized on August 21, 1813, out of Ste. The Bellview Valley, near Caledonia and Belgrade, was settled in 1802 by the families of William and Helen Watson Reed, their sons, Robert, Joseph, and Thomas Reed, William Reed's brother and nephew, Joseph and William Reed, Annanias McCoy, and Benjamin Crow. However, no permanent settlements were made until 1763, when François Breton settled near Potosi and began to operate a mine bearing his name. The French explorers Renault and La Motte entered the area of present-day Potosi in 1722–23. The county was officially organized on August 21, 1813, and was named in honor of George Washington, the first President of the United States. The county seat and largest city is Potosi. As of the 2020 United States census, the population was 23,514. Washington County is located in the southeastern part of the U.S.
