Seneca County, OH Demographics

The total population of Seneca County is estimated to be 55,062 with 27,744 males (50.39%) and 27,318 females (49.61%). There are 426 less females than males in Seneca County.
The median household income in Seneca County was $60,578 in 2021, which marked an an increase of 638(1.06%) from $59,940 in 2020. This income is 81.20% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Seneca County sees its highest median household income among householders in the age group of 25 to 44 years old, at $71,557. Overall, the median household income for the county of Seneca County stands at $60,578.
In Seneca County, the median income for all workers aged 15 years and older, regardless of work hours, was $40,396 for males and $24,265 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,288 for males and $41,084 for females.
In Seneca County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, Some Other Race households have the highest median household income at $114,337, while Black or African American households represent the opposite end with the lowest median household income of $30,100.
In 2022, the population of Seneca County was 54,632, a 0.59% decrease year-by-year from 2021. Previously, in 2021, Seneca County's population was 54,954, a decline of 0.18% compared to a population of 55,051 in 2020.
The median age in Seneca County, OH is 40.5, as per 2021 ACS 5-Year Estimates. Of the total population, 17.78% were under the age of 15, 20.49% aged 15 to 29, 43.89% aged 30 to 64, 15.54% aged 65 to 84, and 2.29% were 85 years of age and older.
Racial distribution of Seneca County population: 92.04% are White, 3.19% are Black or African American, 0.39% are American Indian and Alaska Native, 0.56% are Asian, 1.25% are some other race and 2.57% are multiracial.