Walnut is a medium-sized city located in the state of California. With a population of 27,356 people and seven associated neighborhoods, Walnut is the 264th largest community in California.

Housing costs in Walnut 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 Walnut 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: 15.51% 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.

Because of many things, Walnut is a great place for families with children to consider. First of all, many other families with children live here, making Walnut a place where both parents and children are more likely to develop social ties with other families, as well as find family-oriented services and community. The city’s good public school district and large population of college-educated adults provide an environment conducive to academic values. With regard to real estate, Walnut has a high rate of owner-occupied single family homes, which tends to reflect stability in the local community. Finally, Walnut’s overall crime rate is lower than average for the country.

In Walnut, however, the average commute to work is quite long. On average, people spend 34.05 minutes each day getting to work, which is significantly higher than the national average.

If knowledge is power, Walnut is a pretty powerful place. 55.56% of the adults in Walnut have earned a 4-year college degree, masters degree, MD, law degree, or even PhD. Compare that to the national average of 21.84% for all cities and towns.

The per capita income in Walnut in 2022 was $50,712, which is upper middle income relative to California, and wealthy relative to the rest of the US. This equates to an annual income of $202,848 for a family of four. However, Walnut contains both very wealthy and poor people as well.

Walnut is an extremely ethnically-diverse city. The people who call Walnut home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Walnut residents report their race to be Asian, followed by White. Walnut also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 18.55% of the city’s residents. Important ancestries of people in Walnut include German, English, Italian, Irish, and European.

Foreign born people are also an important part of Walnut's cultural character, accounting for 49.41% of the city’s population.

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