- 3 bd
- 2 ba
- 1,100 sqft

The average Jefferson County, NY home value is $234,099, up 6.0% over the past year, and homes go to pending in around 28 days. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $234,099
1-Year Value Change: +6%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Jefferson County, NY is $234,099 as of September 2026. This represents a 0.0% increase compared to last month and a 6.0% increase year-over-year.
The median home value in Jefferson County, NY ($234,099) compares to New York ($524,942) and the U.S. national median ($366,157).
The cities with the highest median home values in Jefferson County, NY include: Henderson Harbor ($415,307), Clayton ($330,318), Sackets Harbor ($298,895), Henderson ($276,646), Alexandria Bay ($275,578). These cities represent the most expensive areas within the county.