|• Mayor||Fábri István|
|• Total||22.67 km2 (8.75 sq mi)|
|Population (1 January 2008)|
|• Density||380/km2 (1,000/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
|Area code||+36 28|
Csömör (Hungarian pronunciation: [ˈtʃømør]) is a village in Hungary, in Pest county, Budapest metropolitan area in the Gödöllő subregion (kistérség). It is west of Kistarcsa, north of the 16th district of Budapest, on the western part of the Gödöllő hills, in the turning of the Csömör stream. It has a population of 8,433 (2007).
Ceramic pieces were found from the new stone age (3200–3000 BC) in the area of the Urasági-tag, the Bab-földek (bean fields) and the Rét-pótlék.
Ceramic pieces were found from the bronze age (1900–1800 BC) on the area of the Urasági-tag [ˈuɾɒʃaːɡitɒɡ] and the Szeder-völgyi-dűlő [ˈsedeɾvœlɟi ˈdyːløː]. On the 64 Erzsébet Street [ˈɛɾʒeːbet] were found troves from the vatyai culture [ˈvɒcɒʲi] (1700–1400 BC).
During the third and the fourth century there was a Sarmatian village on the area of Csömör, both sides of the stream. During the explorations a Roman bowl (from the third century) and pottery were found.
Pieces of bowl were found on the area of the Réti-dűlős [ˈɾeːti ˈdyːløː] (singular: Réti-dűlő) and Rétpótlék [ˈɾeːtpoːtleːk] from the Avar age.
Ceramic pieces were found on the area of the Káposztáss [ˈkaːpostaːʃ] (singular: Káposztás) and Réti-dűlős, that were made during the tenth and the eleventh century.