Troisdorf

Troisdorf
City hall of Troisdorf
Location of Troisdorf within Rhein-Sieg-Kreis district
Location of Troisdorf
Troisdorf
Troisdorf
Coordinates: 50°48′58″N 07°09′20″E / 50.81611°N 7.15556°E / 50.81611; 7.15556
CountryGermany
StateNorth Rhine-Westphalia
Admin. regionKöln
DistrictRhein-Sieg-Kreis
Subdivisions12
Government
 • Mayor (2020–25) Alexander Biber (CDU)
Area
 • Total
62 km2 (24 sq mi)
Elevation
55 m (180 ft)
Population
 (2024-12-31)
 • Total
75,901
 • Density1,200/km2 (3,200/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
Postal codes
53840, 53842, 53844
Dialling codes02241, 02203, 02246, 0228
Vehicle registrationSU
Websitewww.troisdorf.de

Troisdorf (German pronunciation: [ˈtʁoːsdɔʁf] ) is a city in the Rhein-Sieg-Kreis (district), in North Rhine-Westphalia, Germany.