Lewis County, New York Demographics 2026
Lewis County, New York has a population of 26,618, the 59th most populous county in New York. The median household income is $68,329 and the median home value is $158,000. The poverty rate is 12.3%.
Lewis County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Lewis County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lowville | 3,432 | $73,656 | 13.4% | $159,600 |
| Port Leyden | 680 | $41,250 | 20.9% | $98,200 |
| Copenhagen | 652 | $75,833 | 16.0% | $150,000 |
| Croghan | 642 | $49,583 | 17.4% | $145,500 |
| Lyons Falls | 478 | $58,906 | 8.6% | $95,300 |
| Castorland | 414 | $58,438 | 17.4% | $154,300 |
| Constableville | 356 | $71,250 | 9.8% | $90,800 |
| Turin | 312 | $100,560 | 6.2% | $113,700 |
Explore New York Rankings
Population Overview
Lewis County is located in New York with a total population of 26,618. It is the 59th most populous county out of 62 in New York. The county encompasses 8 Census-designated places.
Age Demographics
The median age in Lewis County is 42.0 years. This is 6% higher than the state median of 39.6 years.
Economy, Income & Housing
The median household income in Lewis County is $68,329. This is 19% lower than the state median of $84,578. It is also 13% lower than the national median of $78,538. The poverty rate stands at 12.3%. This is 11% lower than the state poverty rate of 13.7%. The unemployment rate is 5.4%. This is 12% lower than the state rate of 6.2%. The median home value is $158,000. Housing costs are 61% lower than the state median of $403,000. With a home-value-to-income ratio of just 2.3x, Lewis County is one of the most affordable housing markets in the area. 80.4% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 54.3%.
Race & Ethnicity
Lewis County has a predominantly White (non-Hispanic) population, comprising 93.9% of all residents. Hispanic or Latino residents account for 1.7%. The White (non-Hispanic) population is significantly higher than the state average (93.9% vs 53.4%). The Black or African American population (0.7%) is well below the state average of 13.6%. The Hispanic or Latino population (1.7%) is well below the state average of 19.6%. The Asian population (0.2%) is well below the state average of 8.8%.
Education
19.4% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 51% lower than the state rate of 39.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.4%.
Data Sources & Methodology
All figures for Lewis County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against New York and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Lewis County, New York?
Lewis County has a population of 26,618, making it the 59th most populous county in New York.
What is the median income in Lewis County?
The median household income in Lewis County is $68,329 with a poverty rate of 12.3%.
How many cities are in Lewis County, New York?
Lewis County contains 8 Census-designated places.