In 2020, Jefferson County, NY had a population of 111k people with a median age of 32.8 and a median household income of $54,726. Between 2019 and 2020 the population of Jefferson County, NY declined from 112,842 to 111,454, a −1.23% decrease and its median household income grew from $52,685 to $54,726, a 3.87% increase.
The 5 largest ethnic groups in Jefferson County, NY are White (Non-Hispanic) (81.2%), Black or African American (Non-Hispanic) (5.46%), White (Hispanic) (4.31%), Two+ (Non-Hispanic) (3.41%), and Asian (Non-Hispanic) (1.62%).
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.
In 2020, the median property value in Jefferson County, NY was $150,100, and the homeownership rate was 55.7%.
Most people in Jefferson County, NY drove alone to work, and the average commute time was 18.8 minutes. The average car ownership in Jefferson County, NY was 2 cars per household.