Lynwood, California - Basic Facts. The City of Lynwood had a population of 72,011 as of July 1, 2016. Lynwood ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California.
Scanning the information gives you an electronic backup of the paper indefinitely. Keep returns and all supporting documentation at least seven years. The IRS can audit your return for up to three years from your filing date, a limit applying only to good-faith errors.
To sum up: Paper can last centuries. Electronic records currently last about 10-20 years unless they are migrated to new formats/media. [Above: a closeup of a page from a Gutenberg Bible, about 550 years old and still going strong.]