March ARB, CA has a population of 1,145 and is the 14,321st largest city in the United States. The population density is 96 per sq mi which is 63% lower than the California average and 6% higher than the national average. The median age in March ARB is 54 which is approximately 49% higher than the California average of 36. In March ARB, 69% of the population over 15 years of age are married, 75% speak English and 20% speak Spanish. 41% of March ARB residents were born in California, 43% were born out of state, 4% were born outside of the United States and 12% were foreign born.