Las Lomas (Spanish for 'The Hills') is an unincorporated community and census-designated place (CDP) in Monterey County, California, United States.

[4] Las Lomas is located 7 miles (11 km) north-northwest of Prunedale.

[4] Prior to 1981, the community suffered from grave water contamination and public health problems.

Sanitary sewers for the entire area were installed in 1981-82 due to federal grants secured by then Monterey County Supervisor Marc Del Piero.

According to the United States Census Bureau, the CDP has a total area of 1.0 square mile (2.6 km2), all of it on land.

The racial makeup of Las Lomas was 1,167 (38.6%) White, 37 (1.2%) African American, 93 (3.1%) Native American, 53 (1.8%) Asian, 24 (0.8%) Pacific Islander, 1,490 (49.3%) from other races, and 160 (5.3%) from two or more races.

There were 596 housing units at an average density of 524.4 per square mile (202.5/km2).

The racial makeup of the CDP was 48.86% White, 0.81% African American, 1.40% Native American, 1.40% Asian, 0.23% Pacific Islander, 43.96% from other races, and 3.35% from two or more races.