Merced County Censuses and Directories

1944 Merced County Phonebook; City Directories from 1914, 1935, and 1948 (Vital Search Co.)

1857 Assessment Roll - from History of Merced County, California, 1925; transcribed by Kathy Sedler

1870 census of Merced County - transcribed by Neil Teague, proofread by Patricia Cole, for the USGenWeb Census Project.

1880 census of the United States - free from familysearch.org

Of course, the decennial US censuses are available through a subscription to ancestry.com. In the year 1850, the area now known as Merced county was part of Mariposa county.

Several Polk directories are available in the Merced County Library, in the Stoddard Room. They are mostly from the middle 1900's.