Geneva, NY has a population of 13,136 and is the 3,178th largest city in the United States. The population density is 3,120 per sq mi which is 770% higher than the New York average and 3344% higher than the national average. The median age in Geneva is 29 which is approximately 24% lower than the New York average of 38. In Geneva, 38% of the population over 15 years of age are married, 83% speak English and 11% speak Spanish. 67% of Geneva residents were born in New York, 20% were born out of state, 6% were born outside of the United States and 7% were foreign born.