There are 277 Interior Designers in San Mateo County, California, serving a population of 763,450 people in an area of 449 square miles. There is 1 Interior Designer per 2,756 people, and 1 Interior Designer per 1 square miles.
In California, San Mateo County is ranked 7th of 58 counties in Interior Designers per capita, and 4th of 58 counties in Interior Designers per square mile.