El Paso de Robles (Paso Robles), CA has a population of 31,178 and is the 1,363rd largest city in the United States. The population density is 1,604 per sq mi which is 526% higher than the California average and 1670% higher than the national average. The median age in El Paso de Robles (Paso Robles) is 35 which is approximately 2% lower than the California average of 36. In El Paso de Robles (Paso Robles), 62% of the population over 15 years of age are married, 70% speak English and 28% speak Spanish. 62% of El Paso de Robles (Paso Robles) residents were born in California, 18% were born out of state, 1% were born outside of the United States and 18% were foreign born.