South Dakota Sully County Public Libraries

By | January 1, 2023

We are providing a comprehensive directory of public libraries in Sully County, South Dakota. This list includes library formal name, street address, postal code, phone number and how many books are available. Check the following list to see all public libraries in South Dakota Sully County.

1. Library System SULLY AREA LIBRARY
Street Address: 500 8th Street, Onida, SD 57564
Phone Number: (605) 258-2133 Sully N/A N/A

2. Central Library SULLY COUNTY LIBRARY
Street Address: 500 Eigth St / Po Box 472, Onida, SD 57564
Phone Number: (605) 258-2133 Sully N/A N/A

Overview of Sully County, South Dakota

Sully County is a county located in the state of South Dakota. As of 2000, the population is 1,556. Its county seat is Onida.

Geography

According to the U.S. Census Bureau, the county has a total area of 2,772 km² (1,070 mi²). 2,608 km² (1,007 mi²) of it is land and 164 km² (63 mi²) of it is water. The total area is 5.93% water.

Townships

The county is divided into two areas of unorganized territory: West Sully and East Sully.

Adjacent Counties

  • Potter County, South Dakota- north
  • Hyde County, South Dakota- east
  • Hughes County, South Dakota- south
  • Stanley County, South Dakota- southwest
  • Dewey County, South Dakota- northwest

Demographics

Sully County
Population by year
1900 – 1,715
1910 – 2,462
1920 – 2,831
1930 – 3,852
1940 – 2,668
1950 – 2,713
1960 – 2,607
1970 – 2,362
1980 – 1,990
1990 – 1,589
2000 – 1,556

As of the census of 2000, there are 1,556 people, 630 households, and 442 families residing in the county. The population density is 1/km² (2/mi²). There are 844 housing units at an average density of 0/km² (1/mi²). The racial makeup of the county is 97.81% White, 0.00% Black or African American, 0.77% Native American, 0.13% Asian, 0.00% Pacific Islander, 0.13% from other races, and 1.16% from two or more races. 0.77% of the population are Hispanic or Latino of any race.

There are 630 households out of which 31.00% have children under the age of 18 living with them, 62.50% are married couples living together, 4.30% have a female householder with no husband present, and 29.70% are non-families. 25.70% of all households are made up of individuals and 10.60% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 2.99.

In the county, the population is spread out with 25.50% under the age of 18, 6.10% from 18 to 24, 26.50% from 25 to 44, 24.40% from 45 to 64, and 17.40% who are 65 years of age or older. The median age is 40 years. For every 100 females there are 105.50 males. For every 100 females age 18 and over, there are 108.50 males.

Cities and towns

According to countryaah, Sully County, South Dakota has the following cities and towns:

  • Agar
  • Onida