In 2023, Fort Seneca, OH had a population of 89 people with a median age of 63.4 and a median household income of $53,056. Between 2022 and 2023 the population of Fort Seneca, OH declined from 118 to 89, a −24.6% decrease and its median household income declined from $75,119 to $53,056, a −29.4% decrease.
The 5 largest ethnic groups in Fort Seneca, OH are White (Non-Hispanic) (100%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), Asian (Non-Hispanic) (0%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0%).
None of the households in Fort Seneca, OH reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Fort Seneca, OH are U.S. citizens.