Fullerton is a larger medium-sized city located in the state of California. With a population of 140,541 people and 29 associated neighborhoods, Fullerton is the 41st largest community in California.

Housing costs in Fullerton 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.

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

Telecommuters are a relatively large percentage of the workforce: 11.28% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

One thing noticeable about Fullerton, although not a huge city, is that it has a large population of people who are young, single, educated, and upwardly-mobile career starters. That’s because Fullerton is full of single people in their 20s and 30s and who have undergraduate or graduate degrees and are starting careers in professional occupations. This makes Fullerton a pretty good place for young, educated career starters looking to find many people like themselves, with good opportunities for friendships, socializing, romance, and fun.

In Fullerton, however, the average commute to work is quite long. On average, people spend 30.44 minutes each day getting to work, which is significantly higher than the national average.

The education level of Fullerton ranks among the highest in the nation. Of the 25-and-older adult population in Fullerton, 44.02% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Fullerton in 2022 was $46,182, which is upper middle income relative to California, and wealthy relative to the rest of the US. This equates to an annual income of $184,728 for a family of four. However, Fullerton contains both very wealthy and poor people as well.

Fullerton is an extremely ethnically-diverse city. The people who call Fullerton 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 Fullerton, accounting for 38.02% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Fullerton residents report their race to be White, followed by Asian. Important ancestries of people in Fullerton include German, English, Irish, Italian, and European.

Foreign born people are also an important part of Fullerton's cultural character, accounting for 28.90% of the city’s population.

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