San Mateo Co., CA Books Cemeteries Census
Created: 1856 Maps Official Records Photos Population
San Mateo Co., CA
San Mateo Co., CA was formed from portions of San Francisco and Santa Cruz Cos.
You might consider searching in those Counties for earlier records.
Population
The following table details the population of the County from the first census available up through 1940.
Information is shown for 1890, but that census was mostly lost due to a fire and mishandling in the 1920's and 1930's.
Don't forget to check on the main California page for links to free online versions of the census
1790 - 1800 - 1810 - 1820 - 1830 - 1840 - 1850 - 1860 3,214
1870 6,635 1880 8,669 1890 10,087 1900 12,094 1910 26,585 1920 36,781 1930 77,405 1940 111,782
Historical Census Browser. The University of Virginia, Geospatial and Statistical Data Center: http://mapserver.lib.virginia.edu

Helpful Links
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Books
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Cemeteries
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Census Records
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Maps
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Official Records
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San Mateo Co., CA Government Offices Contacts
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Birth, Death, Marriage and Estate Records
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Real Estate Transaction Records
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Photos
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email Updated 9/14/2015
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