Gerber, CA has a population of 1,281 and is the 13,637th largest city in the United States. The population density is 1,382 per sq mi which is 495% higher than the California average and 1425% higher than the national average. The median age in Gerber is 36 which is approximately equal to the California average of 36. In Gerber, 51% of the population over 15 years of age are married, 47% speak English and 53% speak Spanish. 63% of Gerber residents were born in California, 8% were born out of state, 3% were born outside of the United States and 26% were foreign born.