Unterpremstätten

Unterpremstätten is a former municipality in the district of Graz-Umgebung in the Austrian state of Styria. Since the 2015 Styria municipal structural reform, it is part of the municipality Premstätten.^[2]

Unterpremstätten
Former municipality
Premstätten Castle and chapel
Coat of arms
Location within Graz-Umgebung district
Unterpremstätten Location within Austria
Coordinates: 46°57′53″N 15°24′15″E
Country	Austria
State	Styria
District	Graz-Umgebung
Area
• Total	17.77 km2 (6.86 sq mi)
Elevation	351 m (1,152 ft)
Population  (1 January 2016)[1]
• Total	3,964
• Density	220/km2 (580/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postal code	8141
Area code	0 31 36
Vehicle registration	GU
Website	www.unterpremstaetten.at

AMS-Osram, formerly known as austriamicrosystems AG, is headquartered within Unterpremstätten.

Population

Historical population

Year	Pop.	±%
1869	949	—
1890	1,048	+10.4%
1900	1,098	+4.8%
1910	1,321	+20.3%
1923	1,246	−5.7%
1934	1,581	+26.9%
1939	1,661	+5.1%
1951	1,812	+9.1%
1961	1,966	+8.5%
1971	2,058	+4.7%
1981	2,129	+3.4%
1991	2,574	+20.9%
2001	3,188	+23.9%
2011	3,605	+13.1%