Palermo, CA has a population of 5,783 and is the 5,889th largest city in the United States. The population density is 198 per sq mi which is 15% lower than the California average and 119% higher than the national average. The median age in Palermo is 42 which is approximately 17% higher than the California average of 36. In Palermo, 58% of the population over 15 years of age are married, 79% speak English and 18% speak Spanish. 63% of Palermo residents were born in California, 24% were born out of state, 1% were born outside of the United States and 12% were foreign born.