Boron, CA has a population of 2,314 and is the 10,232nd largest city in the United States. The population density is 168 per sq mi which is 28% lower than the California average and 85% higher than the national average. The median age in Boron is 40 which is approximately 12% higher than the California average of 36. In Boron, 54% of the population over 15 years of age are married, 86% speak English and 10% speak Spanish. 62% of Boron residents were born in California, 28% were born out of state, 1% were born outside of the United States and 9% were foreign born.