Modesto, CA has a population of 208,512 and is the 107th largest city in the United States. The population density is 4,853 per sq mi which is 1796% higher than the California average and 5257% higher than the national average. The median age in Modesto is 35 which is approximately 2% lower than the California average of 36. In Modesto, 53% of the population over 15 years of age are married, 66% speak English and 25% speak Spanish. 67% of Modesto residents were born in California, 14% were born out of state, 1% were born outside of the United States and 18% were foreign born.