Free Access on Ancestry.com

Search the Mexican Census records of 1930 via Ancestry.com’s free access offer.
From their site: If you have Mexican heritage — or even had a relative that lived in Mexico in 1930 – you can discover interesting facts like occupation, marital status, age, native language, real estate holdings and more. These Spanish language records take you back to a vital time in the history of Mexico. More than 12.8 million names representing 90% of the country at the time are here, making this an invaluable tool for your family research.