Tambor is a district of the Alajuela canton, in the Alajuela province of Costa Rica.

[1][2] Tambor was created on 6 November 1922 by Decreto 28.

[2] Tambor has an area of 13.88 km2[3] and an elevation of 950 metres.

[1] For the 2011 census, Tambor had a population of 10,992 inhabitants.

[6] The district is covered by the following road routes: This Costa Rican location article is a stub.