The USGenWeb Census Project is an all-volunteer project to transcribe census records in a standard
format in order to make them available to genealogical researchers on the Internet. For the status of work on California counties, and how you can volunteer, see
USGenWeb Census Project -- California
The census for San Lorenzo is included in Eden Township. The San Lorenzo census is not necessarily on consecutive pages, so you will have to examine the name of the post office on each page. Censuses transcribed under the GenWeb project and available on the Web are:
1880 Eden Township Census -- Enumeration districts 22 and 23
1900 San Lorenzo Census -- Enumeration districts 331 and 416 (complete Eden Twp. is in ED 327 - 331, 416)
1910 San Lorenzo Census -- Enumeration district 33 (complete Eden Twp. is in ED 30 - 34)
1920 San Lorenzo Census -- Enumeration districts 150 and 152 (complete Eden Twp. is in ED 147 - 159)
1930 San Lorenzo Census -- Enumeration districts 251 and 252 (complete Eden Twp. is in ED 246 - 256)