South Sioux City Public Library serves South Sioux City in Dakota County from 2121 Dakota Ave. It reports a collection of about 40,053 items, roughly 16,546 checkouts a year and 7,282 registered borrowers. Visitors have access to 18 public internet computers and free wireless. It belongs to the Three Rivers Library System, one of the regional systems that share services among Nebraska libraries. Figures come from the 2024-2025 Nebraska Public Library Survey.