Altendorf
Borough of Essen
Aerial view of Altendorf, Essen, in 2009
Coat of arms
Altendorf shown within Essen
Coordinates: 51°27′38.999″N 6°58′36.998″E / 51.46083306°N 6.97694389°E / 51.46083306; 6.97694389
District of Essen [de]	Stadtbezirk III
State electoral district	Wahlkreis 67
Federal electoral district	Wahlkreis 120
Hof Ehrenzell [de] donated to Essen Abbey	966
Part of Borbeck, Prussia	1816
Town [de] within Essen district [de]	1 January 1874
Incorporation into City of Essen	1 August 1901
Admin HQ	Essen City Hall, Porscheplatz 1
Government
• Type	City council
• Body	Stadtrat Essen
• Lord Mayor	Thomas Kufen[a] (CDU)
• Bezirks­bürger­meister [de] (City district mayor)	Doris Eisenmenger, (Greens)[b]
• Landtag MP	Britta Altenkamp, (SPD)[c]
• Bundestag MP	Matthias Hauer, (CDU)[d]
Area
• Total	2.49 km2 (0.96 sq mi)
Population  (2020)
• Total	22,691
• Density	8,850/km2 (22,900/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postal code	45143
Area code	0201
Website	essen.de

Altendorf (lit. "old village") is a northwestern borough of the city of Essen, Germany. It was incorporated into the city on 1 August 1901. Previously, it had been part of the Bürgermeisterei Altendorf [de] (Altendorf district), which existed since 1874. Altendorf consisted of two parts, Oberdorf (upper village) and Unterdorf (lower village).^[1] Around 23.000 people live here.^[2]

Altendorf borders the boroughs of Nordviertel and Westviertel [de] to the east, Frohnhausen [de] to the south, Schönebeck [de] to the west and Bochold to the north.