Oceanside is a relatively large coastal city (i.e. on the ocean, a bay, or inlet) located in the state of California. With a population of 172,199 people and 44 associated neighborhoods, Oceanside is the 29th largest community in California.

Housing costs in Oceanside 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.

There are many members of the armed forces living in Oceanside. You will notice when you visit or live here that some of the people you meet or see around town are employed by the armed services - even if they are not always in uniform.

Also of interest is that Oceanside has more people living here who work in computers and math than 95% of the places in the US.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 13.41% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Oceanside is also nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Quite often, nautical areas such as these attract visitors and locals who come to enjoy the scenery and various waterfront activities.

In Oceanside, however, the average commute to work is quite long. On average, people spend 30.41 minutes each day getting to work, which is significantly higher than the national average.

The education level of Oceanside citizens is substantially higher than the typical US community, as 33.57% of adults in Oceanside have at least a bachelor's degree.

The per capita income in Oceanside in 2022 was $40,131, which is middle income relative to California, and upper middle income relative to the rest of the US. This equates to an annual income of $160,524 for a family of four. However, Oceanside contains both very wealthy and poor people as well.

Oceanside is an extremely ethnically-diverse city. The people who call Oceanside home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Oceanside residents report their race to be White, followed by Asian. Oceanside also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 37.70% of the city’s residents. Important ancestries of people in Oceanside include German, Irish, English, Italian, and European.

Oceanside also has a high percentage of its population that was born in another country: 20.43%.

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