Galt, CA has a population of 24,848 and is the 1,747th largest city in the United States. The population density is 4,145 per sq mi which is 1684% higher than the California average and 4475% higher than the national average. The median age in Galt is 33 which is approximately 9% lower than the California average of 36. In Galt, 56% of the population over 15 years of age are married, 66% speak English and 29% speak Spanish. 69% of Galt residents were born in California, 12% were born out of state, 1% were born outside of the United States and 19% were foreign born.