Del. Code 9, § 101 : Counties — Boundaries Of Counties And Hundreds — Division of State into counties Date: 2 Sep 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 The State is divided into 3 counties: New Castle, Kent and Sussex. Del. C. § 101 Code 1852, § 5; Code 1915, § 8; Code 1935, § 8; 9 Del. C. 1953, § 101.;