Diepoldsau

Diepoldsau
Coat of arms
Diepoldsau Show map of Switzerland Diepoldsau Show map of Canton of St. Gallen
Location of Diepoldsau
Coordinates: 47°23′N 9°39′E / 47.383°N 9.650°E / 47.383; 9.650Coordinates: 47°23′N 9°39′E / 47.383°N 9.650°E / 47.383; 9.650
Country	Switzerland
Canton	St. Gallen
District	Rheintal
Government
• Mayor	Roland Wälter
Area
• Total	11.2 km2 (4.3 sq mi)
Elevation	408 m (1,339 ft)
Population (Dec 2015)
• Total	6,347
• Density	570/km2 (1,500/sq mi)
Postal code	9444
SFOS number	3234
Surrounded by	Altach (AT-8), Balgach, Hohenems (AT-8), Lustenau (AT-8), Oberriet, Widnau
Website	www.diepoldsau.ch SFSO statistics

Diepoldsau is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.

Diepoldsau is first mentioned in 891 as Thiotpoldesouua. Schmitter is first mentioned in 1385.

Diepoldsau has an area, as of 2006^[update], of 11.2 km² (4.3 sq mi). Of this area, 67.1% is used for agricultural purposes, while 4.1% is forested. Of the rest of the land, 20.3% is settled (buildings or roads) and the remainder (8.5%) is non-productive (rivers or lakes).

The municipality was located in the Unterrheintal district, until the district became part of the Rheintal Wahlkreis. The municipality is on the border with Austria. It consists of the villages of Diepoldsau and Schmitter on the shore of the old Rhein at the Hohenemser curve.

The blazon of the municipal coat of arms is Vert two Ears of Maize Or and in base a Barrulet wavy Argent.

Diepoldsau has a population (as of 31 December 2015) of 6,347. As of 2007^[update], about 20.1% of the population was made up of foreign nationals. Of the foreign population, (as of 2000^[update]), 48 are from Germany, 172 are from Italy, 432 are from ex-Yugoslavia, 147 are from Austria, 40 are from Turkey, and 82 are from another country. Over the last 10 years the population has grown at a rate of 21.7%. Most of the population (as of 2000^[update]) speaks German (91.1%), with Albanian being second most common ( 3.1%) and Italian being third ( 2.1%). Of the Swiss national languages (as of 2000^[update]), 4,586 speak German, 12 people speak French, 106 people speak Italian, and 2 people speak Romansh.