McFarland, CA has a population of 13,391 and is the 3,122nd largest city in the United States. The population density is 5,019 per sq mi which is 2060% higher than the California average and 5440% higher than the national average. The median age in McFarland is 26 which is approximately 29% lower than the California average of 36. In McFarland, 54% of the population over 15 years of age are married, 12% speak English and 87% speak Spanish. 58% of McFarland residents were born in California, 4% were born out of state, 1% were born outside of the United States and 36% were foreign born.