Seneca County, NY Demographics

The total population of Seneca County is estimated to be 33,651 with 17,613 males (52.34%) and 16,038 females (47.66%). There are 1,575 less females than males in Seneca County.
The median household income in Seneca County was $63,867 in 2021, which marked an an increase of 1,697(2.73%) from $62,170 in 2020. This income is 85.61% 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 45 to 64 years old, at $76,436. Overall, the median household income for the county of Seneca County stands at $63,867.
In Seneca County, the median income for all workers aged 15 years and older, regardless of work hours, was $41,392 for males and $29,204 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $57,234 for males and $46,661 for females.
In Seneca County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, White households have the highest median household income at $65,367, while Black or African American households represent the opposite end with the lowest median household income of $44,781.
In 2022, the population of Seneca County was 32,882, a 2.07% decrease year-by-year from 2021. Previously, in 2021, Seneca County's population was 33,576, a decline of 0.51% compared to a population of 33,747 in 2020.
The median age in Seneca County, NY is 42.5, as per 2021 ACS 5-Year Estimates. Of the total population, 16.58% were under the age of 15, 18.07% aged 15 to 29, 46.18% aged 30 to 64, 16.60% aged 65 to 84, and 2.57% were 85 years of age and older.
Racial distribution of Seneca County population: 89.71% are White, 5.21% are Black or African American, 0.31% are American Indian and Alaska Native, 0.61% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 0.96% are some other race and 3.17% are multiracial.