San Fernando is a medium-sized city located in the state of California. With a population of 23,685 people and five associated neighborhoods, San Fernando is the 294th largest community in California.

Housing costs in San Fernando are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in California.

In terms of college education, the citizens of San Fernando rank slightly lower than the national average. 14.26% of adults 25 and older in San Fernando have a bachelor's degree or advanced degree, while 21.84% of adults have a 4-year degree or higher in the average American community.

The per capita income in San Fernando in 2022 was $27,486, which is lower middle income relative to California and the nation. This equates to an annual income of $109,944 for a family of four. However, San Fernando contains both very wealthy and poor people as well.

San Fernando is an extremely ethnically-diverse city. The people who call San Fernando home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in San Fernando, accounting for 92.37% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of San Fernando residents report their race to be White, followed by Asian. Important ancestries of people in San Fernando include German, Irish, Polish, Italian, and French Canadian.

Foreign born people are also an important part of San Fernando's cultural character, accounting for 36.76% of the city’s population.

The most common language spoken in San Fernando is Spanish. Other important languages spoken here include English and Tagalog.