Gustine is a city in Merced County, California, United States. Gustine is located 29 miles (47 km) west of Merced, at an elevation of 98 feet (30 m). As of the United States 2010 Census, the city population was 5,520, up from 4,698 at the 2000 census.
Gustine is located in the San Joaquin Valley at 37°15′28″N 120°59′56″W / 37.25778°N 120.99889°W / 37.25778; -120.99889, the intersection of State Route 33 and State Route 140. Near the intersection of Interstate 5 and State Route 140.
Gustine lies in the San Joaquin Valley, at an elevation of about 31 m (101 ft) above MSL.