Woodbridge, CA has a population of 3,882 and is the 7,577th largest city in the United States. The population density is 1,289 per sq mi which is 454% higher than the California average and 1322% higher than the national average. The median age in Woodbridge is 48 which is approximately 33% higher than the California average of 36. In Woodbridge, 63% of the population over 15 years of age are married, 72% speak English and 22% speak Spanish. 66% of Woodbridge residents were born in California, 21% were born out of state, 1% were born outside of the United States and 11% were foreign born.