
| California County Formation years | ||||||||||||||
| 1850 | 1851 | 1852 | 1853 | 1854 | 1855 | 1856 | 1857 | 1859 | 1860 | 1861 | 1863 | 1864 | 1866 | 1868 |
| 1870 | 1872 | 1874 | 1875 | 1876 | 1878 | 1881 | 1885 | 1887 | 1889 | 1891 | 1893 | 1897 | 1907 | 1909 |
| 1913 | 1917 | 1919 | 1925 | |||||||||||
| California County Census Year with Modern Map overlayed: | ||||||||||||||
| 1850 | 1860 | 1870 | 1880 | 1890 | 1900 | 1910 | 1920 | 1930 | ||||||
| California Census Year with previous Census Year overlayed: | ||||||||||||||
| 1860 | 1870 | 1880 | 1890 | 1900 | 1910 | 1920 | 1930 | |||||||
| California Census Year with Modern Map overlayed: | ||||||||||||||
| 1850 | 1860 | 1870 | 1880 | 1890 | 1900 | 1910 | 1920 | |||||||
| California Map Abbreviations | ||||
|---|---|---|---|---|
|
unorg. = unorganized g. = gained w. = with fr. = from atmt. = attachment exch = exchanged nca.= non county area ch. = changed Ala - Alameda Alp - Alpine Am - Amador But - Butte Ca - Calaveras |
CC - Contra Costa Col - Colusa Cos - Coso Csi - Colusa DN - Del Norte ED - El Dorado Fr - Fresno Gl - Glenn Hu - Humboldt Im - Imperial In - Inyo Ke - Kern Ki - Kings Kl - Klamath |
LA - Los Angeles Lak - Lake Las - Lassen Mad - Madera Men - Mendocino Mer - Merced Mno - Mono Mnt - Monterey Mod - Modoc Mrn - Marin Mrs - Mariposa Na - Napa Ne - Nevada Or - Orange |
Pa - Pautah Pla - Placer Plu - Plumas Ri - Riverside Sac - Sacramento SBr - San Bernardino SBt - San Benito SCl - Santa Clara Scr - Santa Cruz SD - San Diego SF - San Francisco Sh - Shasta Sie - Sierra Sis - Siskiyou |
SJ - San Joaquin SLO - San Luis Obispo SM - San Mateo Sol - Solano Son - Sonoma St - Stanislaus StB - Santa Barbara Su - Sutter Te - Tehama Tr - Trinity Tul - Tulare Tuo - Tuolomne Ve - Ventura Yo - Yolo Yu - Yuba |
These are scanned from the original copies so you can see California and California counties as our ancestors saw them over a hundred years ago. Some California maps years (not all) have cities, railroads, P.O. locations, township outlines and other features useful to the avid genealogist in California. California was at one time part of Mexico.
Images are between 1 meg and 5 megs in size so allow a few moments to load if you are using a dial-up connection. Disclaimer: All California maps are free to use for your own genealogical purposes and may not be reproduced for resale or distribution.
Source: David Rumsey Historical Map Collection
California Maps
Maps, Atlases & Gazetteers - Maps are an invaluable part of family history research, especially if you live far from where your ancestor lived. Because political boundaries often changed, historic maps are critical in helping you discover the precise location of your ancestor's hometown, what land they owned, who their neighbors were, and more.
Below is a list of online resources for California Maps. Email us with websites containing California Maps by clicking the link below:
On-Site County Court Records Search - Find nearly any California court record online!