The Ogham block spans U+1680–U+169F, 32 codepoints in Plane 0 (Basic Multilingual Plane). 29 are assigned in Unicode 16.0; the other 3 are reserved for future characters.
All of its characters belong to the Ogham script.
By general category: 26 other letters (Lo), 1 space characters (Zs), 1 opening brackets (Ps), 1 closing brackets (Pe).
The first 29 arrived in Unicode 3.0 (1999).