The 5 largest ethnic groups in Jefferson County, NY are White (Non-Hispanic) (80.8%), Two+ (Non-Hispanic) (4.86%), Black or African American (Non-Hispanic) (4.57%), White (Hispanic) (2.54%), and Two+ (Hispanic) (2.14%).
None of the households in Jefferson County, NY 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.
98.2% of the residents in Jefferson County, NY are U.S. citizens.
The largest universities in Jefferson County, NY are Jefferson Community College (354 degrees awarded in 2023) and Jefferson Lewis BOCES-Practical Nursing Program (19 degrees).
Most people in Jefferson County, NY drove alone to work, and the average commute time was 19.6 minutes. The average car ownership in Jefferson County, NY was 2 cars per household.
Jefferson County, NY borders Cayuga County, NY, Lewis County, NY, Oswego County, NY, and St. Lawrence County, NY.