eastern boundary of Jackson county with Gadsden county. The Chipola River is formed in north central Jackson county from the confluences of Black Creek and Cowarts Creek. It continues south through the county and becomes a part of the border between Jackson county and the west side of the northern section of Calhoun county. Holmes Creek forms the northern portion of the western border of Jackson county with Holmes County. Blue Springs is a Jackson county recreation area east of Marianna located near the site of former Florida Governor John Milton's Sylvania plantation. Two other notable water bodies in the county are Compass Lake in the southwest and Ocheesee Pond in the southeast. Florida State Parks in Jackson county Florida Caverns State Park is on the Chipola river. At Blue Hole Springs the river disappears underground for a few thousand feet and then resurfaces. Three Rivers State Park is located north of Sneads. It is at the junction of the Chattahoochee and the Flint (which flow into Lake Seminole from Georgia), and the Apalachicola which begins at the Lake Seminole Dam. Demographics 2020 census As of the 2020 United States census, there were 47,319 people, 17,149 households, and 11,152 families residing in the county. 2000 census As of the census of 2000, there were 46,755 people, 16,620 households, and 11,600 families residing in the county. The population density was 51 people per square mile (20/km2). There were 19,490 housing units at an average density of 21 per square mile (8/km2). The racial makeup of the county was 72.18% White, 24.56% Black or African American, 0.77% Native American, 0.46% Asian, 0.03% Pacific Islander, 0.61% from other races, and 1.40% from two or more races. 2.91% of the population were Hispanic or Latino of any race. There were 16,620 households, out of which 30.90% had children under the age of 18 living with them, 51.50% were married couples living together, 14.40% had a female householder with no husband present, and 30.20% were non-families. 27.00% of all households were made up of individuals, and 12.80% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.95. In the county, the population was spread out, with 22.30% under the age of 18, 9.70% from 18 to 24, 29.60% from 25 to 44, 23.80% from 45 to 64, and 14.60% who