Alameda

Alpine

Amador

Butte

Calaveras
Submitted by Dyanne O'Neill Neff:  Image source: Year: 1900; Census Place: Copperopolis, Calaveras, California; Roll: T623 84; Page: 1B; Enumeration District: 143. 1 Jun 1900

Colusa

Contra Costa

Del Norte

El Dorado

Fresno
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Glenn

Humboldt

Imperial

Inyo
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Kern
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Kings
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Lake
1860 Clear Lake Township, Napa County - became Lake County in 1861.

Lassen

Los Angeles

Madera
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Marin

Mariposa
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Mendocino

Merced
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Modoc

Mono
1850 - Federal Census - Covering what today is: Fresno, Inyo, Kern, Kings, Madera, Mariposa, Merced, Mono and Tulare Counties. Contributed by Steve Williams.

Monterey

Napa

Nevada

Orange

Placer
1880 - Federal Census - Contributed by Sally Kaleta.

Plumas

Riverside

Sacramento

San Benito

San Bernardino

San Diego - 1850 Federal Census

San Diego - 1850 Federal Census name index

San Francisco

San Joaquin

San Luis Obispo

San Mateo

Santa Barbara

Santa Clara

Santa Cruz

Shasta

Sierra

Siskiyou

Solano

Sonoma

Stanislaus

Sutter

Tehama

Trinity

Tulare 1852 - 1910

Tuolumne

Ventura

Yolo

Yuba