Slatte either refers to hollow or slope, to the local dialect word schlatt which means hitting.

The name of the village Haslen goes back to Haslowe which means a pasture with hazelnut trees.

[1] Schlatt-Haslen has an area, as of 2011[update], of 17.9 square kilometers (6.9 sq mi).

It consists of the village of Haslen and the hamlets of Schlatt and Enggenhütten and numerous individual farm houses.

Since 1877 the nunnery at Wonnenstein, near Teufen, Appenzell Ausserrhoden, has been an exclave of the distinct.

The blazon of the municipal coat of arms is Or a Halberd Argent handled of the first on a Bend Gules.

[2] Most of the population (as of 2000[update]) speaks German (1,115 or 97.3%), with Albanian being second most common (13 or 1.1%) and Turkish being third (6 or 0.5%).

[7] About 70.3% of the total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement).

[2] The historical population is given in the following chart:[1][10] The Farm House Ulrichlis is listed as a Swiss heritage site of national significance.

The entire village of Schlatt is part of the Inventory of Swiss Heritage Sites.

[2] There were 577 residents of the district who were employed in some capacity, of which females made up 40.9% of the workforce.

The number of jobs in the primary sector was 162, of which 152 were in agriculture and 9 were in forestry or lumber production.

In the tertiary sector; 10 or 20.4% were in the sale or repair of motor vehicles, 1 was in the movement and storage of goods, 10 or 20.4% were in a hotel or restaurant, 7 or 14.3% were in the information industry, 2 or 4.1% were the insurance or financial industry, 9 or 18.4% were technical professionals or scientists, 9 or 18.4% were in education.

[2] From the 2000 census[update], 1,005 or 87.7% were Roman Catholic, while 68 or 5.9% belonged to the Swiss Reformed Church.