Bradbury is a small, affluent city in the San Gabriel Valley region of Los Angeles County, California, United States. It is located in the foothills of the San Gabriel Mountains below Angeles National Forest. Bradbury is bordered by the city of Monrovia to the west, and Duarte to the south and east. The population was 1,048 at the 2010 census, up from 855 at the 2000 census. The city has three distinct areas—the Bradbury Estates, which is a gated community consisting of 5-acre (20,000 m²) minimum estates; Woodlyn Lane, which is also a gated community with minimum 2-acre (8,100 m²) lots; and the balance of the city, which is not gated, which has lots generally ranging in size from 7,500 square feet (700 m²) to 1-acre (4,000 m²).