Suisun City ( sə-SOON) is a city in Solano County, California, United States. The population was 28,111 at the 2010 census. The city takes its name from the adjacent Suisun Bay, which in turn is named for the Suisun people, an indigenous Native American tribe of the area.
Suisun City is named for the Suisun people, which is a Native-American tribe living in the area.
Suisun City is located at 38°14′42″N 122°1′1″W (38.244863, -122.017048).
According to the United States Census Bureau, the city has a total area of 4.2 square miles (11 km2), of which 4.1 square miles (11 km2) is land and 0.06 square miles (0.16 km2) (1.39%) is water.
The city is adjacent to Suisun Marsh, at 84,000 acres (34,000 ha) the largest contiguous estuarine marsh remaining on the west coast of North America.
According to the Köppen Climate Classification system, Suisun City has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.
The 2010 United States Census reported that Suisun City had a population of 28,111. The population density was 6,752.3 per square mile (2,607.1/km2). The racial makeup of Suisun City was 10,805 (38.4%) White, 5,713 (20.3%) African American, 196 (0.7%) Native American, 5,348 (19.0%) Asian, 340 (1.2%) Pacific Islander, 2,898 (10.3%) from other races, and 2,811 (10.0%) from two or more races. Hispanic or Latino of any race were 6,753 persons (24.0%).
The Census reported that 28,067 people (99.8% of the population) lived in households, 27 (0.1%) lived in non-institutionalized group quarters, and 17 (0.1%) were institutionalized.