Census Links is a growing catalog of links to transcriptions of census, tax lists, birth, death, marriage and military records, all freely available to help with your genealogy research.
From the New Mexico Genealogical Society
1850 Valencia County, Town of Cebolleta (Seboyeta)
Database of names in the 1750 Spanish Colonial Census of Belen, New Mexico (now in Valencia County).
Transcription of the 1750 Spanish Colonial Census for Belen, New Mexico. Belen is now in Valencia County.
1870 Census, Valencia County, NM