Resident Population in Ithaca, NY (MSA) was 105.60200 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Ithaca, NY (MSA) reached a record high of 105.97400 in January of 2021 and a record low of 96.66200 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ithaca, NY (MSA) - last updated from the United States Federal Reserve on September of 2025.