Silverton, TX has a population of 673 and is the 17,709th largest city in the United States. The population density is 670 per sq mi which is 591% higher than the Texas average and 639% higher than the national average. The median age in Silverton is 38 which is approximately 11% higher than the Texas average of 34. In Silverton, 73% of the population over 15 years of age are married, 74% speak English and 26% speak Spanish. 64% of Silverton residents were born in Texas, 20% were born out of state, 0% were born outside of the United States and 16% were foreign born.