Noble, OK has a population of 6,664 and is the 5,353rd largest city in the United States. The population density is 508 per sq mi which is 831% higher than the Oklahoma average and 461% higher than the national average. The median age in Noble is 31 which is approximately 13% lower than the Oklahoma average of 36. In Noble, 60% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 70% of Noble residents were born in Oklahoma, 29% were born out of state, 1% were born outside of the United States and 1% were foreign born.