Holtville is a somewhat small city located in the state of California. With a population of 5,612 people and two associated neighborhoods, Holtville is the 503rd largest community in California.

As is often the case in a small city, Holtville doesn't have a public transportation system that people use for their commute.

In terms of college education, the citizens of Holtville rank slightly lower than the national average. 16.62% of adults 25 and older in Holtville 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 Holtville in 2022 was $23,880, which is low income relative to California and the nation. This equates to an annual income of $95,520 for a family of four. However, Holtville contains both very wealthy and poor people as well.

Holtville is an extremely ethnically-diverse city. The people who call Holtville 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 Holtville, accounting for 85.83% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Holtville residents report their race to be White, followed by Asian. Important ancestries of people in Holtville include German, English, European, Swiss, and Italian.

Foreign born people are also an important part of Holtville's cultural character, accounting for 37.08% of the city’s population.

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