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 170,020 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.

Oceanside is home to a number of people employed in the armed forces. When you visit or walk around Oceanside, some of the people you will bump into will be military people In and out of uniform, jogging, shopping and generally out and about town.

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.

A relatively large number of people in Oceanside telecommute to their jobs. Overall, about 14.83% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. 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 30.29 minutes each day getting to work, which is significantly higher than the national average.

The citizens of Oceanside are very well educated compared to the average community in the nation: 34.30% of adults in Oceanside have a bachelor's degree or even advanced degree.

The per capita income in Oceanside in 2022 was $43,094, 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 $172,376 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 38.54% of the city’s residents. Important ancestries of people in Oceanside include German, English, Irish, Italian, and European.

Oceanside also has a high percentage of its population that was born in another country: 20.89%.

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