Chang-Hua County consists of 26 administrative districts, including two City, six Township and eighteen villages. The total area is 1,074 km2. Other than the main office which is located at Changhua City, there are two branch offices located at Yuanlin City and Beidou Township separately, for the convenience of the taxpayers of the surrounding communities. The districts (townships) under the jurisdiction of each office are specified as follows:
- The Changhua Main Office: in charge of Jhanghua City, Hemei Township, Lugang Township, Fenyuan Township, Huatan Township, Sioushuei Township, Fusing Township, Siansi Township, and Shengang Township.
- Yuanlin Branch Office: in charge of Yuanlin City, Sihu Township, Tianjhong Township, Shetou Township, Yongjing Township, Dacun Township, Pusin Township, Ershuei Township,and Puyan Township.
- Beidou Branch Office: in charge of Beidou Township, Erlin Township, Tianwei Township, Bitou Township, Sijhou Township, Jhutang Township, Fangyuan Township, Dacheng Township.