Selinsgrove is a borough in Snyder County, Pennsylvania. It is located in the central part of the state, along the Susquehanna River Valley. According to the United States Census Bureau, as of 2000 Selinsgrove has a population of 5,383. The borough has a total area of 1.9 square miles, averaging a population density of 2,790 per square mile. The racial demographics of Selinsgrove was 94.67% White, 2.73% African American, 0.07% Native American, 0.91% Asian, 0.87% from other races, and 0.74% from two or more races. Hispanic or Latino of any race were 2.92% of the population. Selinsgrove is home to over 1,750 households. The median income for a household in the borough is $31,034, and the median income for a family is $42,500. Snyder County is surrounded by four counties in central Pennsylvania. The county has a population of about 40,000 people living in an area of 332 square miles, of which less than 1% is water. It is one of the least populated counties in the state. Snyder County is within the Appalachian Mountains region. Most of the county is unoccupied by residents because of the extreme landscape of mountain ridges and steep hills and valleys. About half of the county is a forest. Snyder County has six boroughs, fifteen townships, and nine census-designated areas. The county seat is Middleburg. Schuylkill County is home to the Susquehanna University. The county is served by two public school districts, Midd-West School District and Selinsgrove Area School District.