The total population of Summitville is estimated to be 235 with 102 males (43.40%) and 133 females (56.60%). There are 31 more females than males in Summitville.
In 2022, the population of Summitville was 107, a 0.93% decrease year-by-year from 2021. Previously, in 2021, Summitville's population was 108, a decline of 0.92% compared to a population of 109 in 2020.
The median age in Summitville, OH is 34.3, as per 2021 ACS 5-Year Estimates. Of the total population, 11.30% were under the age of 15, 35.22% aged 15 to 29, 38.26% aged 30 to 64, 14.78% aged 65 to 84, and 0.43% were 85 years of age and older.