In 2022, the population of Ithaca was 85, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Ithaca's population was 85, a decline of 1.16% compared to a population of 86 in 2020.
The median age in Ithaca, OH is 43.3, as per 2021 ACS 5-Year Estimates. Of the total population, 16.82% were under the age of 15, 14.95% aged 15 to 29, 52.34% aged 30 to 64, 15.89% aged 65 to 84, and 0.00% were 85 years of age and older.