Dunnigan, CA has a population of 1,280 and is the 13,639th largest city in the United States. The population density is 245 per sq mi which is 5% higher than the California average and 170% higher than the national average. The median age in Dunnigan is 39 which is approximately 9% higher than the California average of 36. In Dunnigan, 67% of the population over 15 years of age are married, 45% speak English and 54% speak Spanish. 56% of Dunnigan residents were born in California, 15% were born out of state, 2% were born outside of the United States and 27% were foreign born.