Rohnert Park, CA
Rohnert Park is a city in Sonoma County, California, United States, located approximately 50 miles (80 km) north of San Francisco. The population at the 2010 United States Census was 40,971. It is an early planned city, modeled directly after Levittown, New York and Levittown, Pennsylvania. Rohnert Park is the sister city of Hashimoto in Japan. Sonoma State University, part of the California State University system, is located in the city.
According to the United States Census Bureau, Rohnert Park has a total area of 7.0 square miles (18.1 km²), 99.93% of it land and 0.07% of it water.
Also, according to the Census Bureau, the city is entirely land. In actuality, there is a small reservoir called Roberts Lake at the north end of the city and a number of creeks. Important creeks include the Laguna de Santa Rosa (which forms part of the border with the City of Cotati), Copeland Creek, Hinebaugh Creek, Crane Creek and Five Creek.