Princeton, NC has a population of 1,343 and is the 13,353rd largest city in the United States. The population density is 1,262 per sq mi which is 479% higher than the North Carolina average and 1293% higher than the national average. The median age in Princeton is 35 which is approximately 8% lower than the North Carolina average of 38. In Princeton, 53% of the population over 15 years of age are married, 95% speak English and 5% speak Spanish. 81% of Princeton residents were born in North Carolina, 17% were born out of state, 0% were born outside of the United States and 2% were foreign born.