Meadowbrook is a census-designated place in Riverside County, California.

According to the United States Census Bureau, the CDP covers an area of 6.9 square miles (17.8 km2), 99.66% of it land and 0.34% of it water.

The racial makeup of Meadowbrook was 2,034 (63.9%) White, 130 (4.1%) African American, 19 (0.6%) Native American, 51 (1.6%) Asian, 4 (0.1%) Pacific Islander, 798 (25.1%) from other races, and 149 (4.7%) from two or more races.

Some parts are zoned to the Lake Elsinore Unified School District.

Other parts are zoned to the Perris Elementary School District and the Perris Union High School District for grades 7-12.