Willows, CA has a population of 6,080 and is the 5,715th largest city in the United States. The population density is 2,126 per sq mi which is 815% higher than the California average and 2247% higher than the national average. The median age in Willows is 33 which is approximately 9% lower than the California average of 36. In Willows, 54% of the population over 15 years of age are married, 63% speak English and 33% speak Spanish. 69% of Willows residents were born in California, 10% were born out of state, 0% were born outside of the United States and 21% were foreign born.