Of the rest of the land, 0.57 square kilometers (0.22 sq mi) or 5.8% is settled (buildings or roads), 0.01 km2 (2.5 acres) or 0.1% is either rivers or lakes.

40.1% of the total land area is heavily forested and 3.4% is covered with orchards or small clusters of trees.

[3] The blazon of the municipal coat of arms is Argent a Grape Azure slipped and leaved Vert.

[7] The age distribution, as of 2008[update], in Thalheim is; 58 children or 7.8% of the population are between 0 and 9 years old and 100 teenagers or 13.5% are between 10 and 19.

[9] The historical population is given in the following table:[8] The ruins of Schenkenberg castle are listed as a Swiss heritage site of national significance.

[11] The village of Thalheim is designated as part of the Inventory of Swiss Heritage Sites.

[7] From the 2000 census[update], 94 or 12.6% were Roman Catholic, while 570 or 76.6% belonged to the Swiss Reformed Church.