The Tirhuta block spans U+11480–U+114DF, 96 codepoints in Plane 1 (Supplementary Multilingual Plane). 82 are assigned in Unicode 16.0; the other 14 are reserved for future characters.
All of its characters belong to the Tirhuta script.
By general category: 51 other letters (Lo), 11 non-spacing marks (Mn), 10 decimal digits (Nd), 9 spacing marks (Mc), 1 other punctuation (Po).
The first 82 arrived in Unicode 7.0 (2014).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.