In 2019, Lewis County, NY had a population of 26.6k people with a median age of 42.2 and a median household income of $54,524. Between 2018 and 2019 the population of Lewis County, NY declined from 26,719 to 26,572, a −0.55% decrease and its median household income grew from $52,380 to $54,524, a 4.09% increase.
The 5 largest ethnic groups in Lewis County, NY are White (Non-Hispanic) (95.9%), White (Hispanic) (0.96%), Two+ (Non-Hispanic) (0.749%), Black or African American (Non-Hispanic) (0.696%), and Other (Hispanic) (0.583%). 0% of the households in Lewis County, NY speak a non-English language at home as their primary language.
98.8% of the residents in Lewis County, NY are U.S. citizens.
In 2019, the median property value in Lewis County, NY was $120,200, and the homeownership rate was 80.8%. Most people in Lewis County, NY drove alone to work, and the average commute time was 22.7 minutes. The average car ownership in Lewis County, NY was 2 cars per household.