Olcott, NY has a population of 1,043 and is the 14,887th largest city in the United States. The population density is 229 per sq mi which is 36% lower than the New York average and 153% higher than the national average. The median age in Olcott is 46 which is approximately 20% higher than the New York average of 38. In Olcott, 53% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 94% of Olcott residents were born in New York, 5% were born out of state, 0% were born outside of the United States and 1% were foreign born.