Live Oak city, CA has a population of 8,501 and is the 4,459th largest city in the United States. The population density is 2,724 per sq mi which is 1072% higher than the California average and 2906% higher than the national average. The median age in Live Oak city is 32 which is approximately 10% lower than the California average of 36. In Live Oak city, 54% of the population over 15 years of age are married, 44% speak English and 45% speak Spanish. 57% of Live Oak city residents were born in California, 11% were born out of state, 2% were born outside of the United States and 30% were foreign born.