|• Total||323.633 km2 (124.955 sq mi)|
|• Density||119.3/km2 (309/sq mi)|
|Time zone||UTC+7 (ICT)|
In a Siamese-Burmese war of Ayutthaya era, the troops of Ayutthaya followed the Burmese troops and overtook them in the area of the district. They fought and the Siamese troops won. The people named the area Ban Thap Than.
In 1906 the district was renamed from Nong Kradi to Thap Than.
In 1917, Thap Than district was added to Uthai Thani Province.
The district is divided into 10 sub-districts (tambons), which are further subdivided into 90 villages (mubans). The sub-district municipality (thesaban tambon), Thap Than, covers tambons Thap Than, Thung Na Thai, Khao Khi Foi, and Nong Ya Plong. The sub-district municipality Taluk Du covers the tambon Taluk Du. There are a further five tambon administrative organizations (TAO).
|2.||Thung Na Thai||ทุ่งนาไทย||7||1,587|
|3.||Khao Khi Foi||เขาขี้ฝอย||6||1,340|
|4.||Nong Ya Plong||หนองหญ้าปล้อง||6||1,687|
|6.||Nong Yai Da||หนองยายดา||8||3,126|
|7.||Nong Klang Dong||หนองกลางดง||11||3,051|