There are 136 Interior Designers in Delaware County, Pennsylvania, serving a population of 563,384 people in an area of 184 square miles. There is 1 Interior Designer per 4,142 people, and 1 Interior Designer per 1 square miles.
In Pennsylvania, Delaware County is ranked 4th of 67 counties in Interior Designers per capita, and 2nd of 67 counties in Interior Designers per square mile.