Pinole, CA has a population of 19,040 and is the 2,287th largest city in the United States. The population density is 3,731 per sq mi which is 1505% higher than the California average and 4018% higher than the national average. The median age in Pinole is 43 which is approximately 20% higher than the California average of 36. In Pinole, 57% of the population over 15 years of age are married, 65% speak English and 13% speak Spanish. 58% of Pinole residents were born in California, 16% were born out of state, 1% were born outside of the United States and 25% were foreign born.