Sun City began in what is known as the Perris Valley, so known since 1885, when the community of Perris was established along the newly built Southern California Railroad certified to connect the cities of Barstow and San Diego.
In 1957, Richard Rand, a land developer who hoped to promote a planned community called Ransdale, purchased the Newport Ranch.
Webb started buying large parcels from Rand and other farmers in Menifee Valley.
[1] According to the United States Census Bureau, the CDP had a total area of 7.8 square miles (20.2 km2), all of it land.
Sun City is renowned for a large senior citizen population, most of them are white non-Hispanic Americans.
Sun City has multiple ethnic ancestral groups and the area has a sizable American Jewish community.
White-collar workers make up 71.59% of the working population in Sun City, while blue-collar employees account for 28.41%.
There are also 969 entrepreneurs in Sun City (10.08% of the workforce); 6,690 workers employed in private companies (69.58%); and 1,546 people working in governmental institutions (16.08%).
Family establishments represent 58.41% of these Sun City households, while non-family units account for the remaining 41.58%.
There are 11,962 housing units in Sun City, and the median year in which these properties were built is 1990.
Of the 11,136 occupied housing units in Sun City, 74.5% are owner-occupied, while 25.49% have renters living in them.