The city of Walnut is approximately 8.9 square miles and is home to more than 32,000 people. It is primarily a residential community, but it has more than 600 businesses. The city has a rural charm that is preserved by a well-defined general plan. Nestled at the foot of the San Gabriel Mountains and approximately 22 miles east of Los Angeles at the junction of four counties—Los Angeles, Orange, Riverside, and San Bernardino—Walnut is considered a bedroom community with rural charm and cultural diversity.