Lyon Mountain, New York Demographics & Population 2026

A note before these figures: with a population of 312, Lyon Mountain's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Lyon Mountain is a small community located in New York, within Clinton County. The total population is 312. It ranks as the 1155th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Lyon Mountain is 31.6 years. This is 21% lower than the state median of 39.8 years. With 31.7% of the population under 18, Lyon Mountain has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Lyon Mountain is $47,143. This is 45% lower than the state median of $85,974. It is also 42% lower than the national median of $80,734. The poverty rate stands at 14.1%. This is about the same as the state poverty rate of 14.0%. The unemployment rate is 9.2%. This is 44% higher than the state rate of 6.4%. The median home value is $45,800. Housing costs are 89% lower than the state median of $423,800. With a home-value-to-income ratio of just 1.0x, Lyon Mountain is one of the most affordable housing markets in the area. 67.7% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 54.4%.

Race & Ethnicity

Lyon Mountain has a predominantly White (non-Hispanic) population, comprising 89.1% of all residents. Black or African American residents account for 2.6%. The White (non-Hispanic) population is significantly higher than the state average (89.1% vs 52.8%). The Black or African American population (2.6%) is well below the state average of 13.4%.

Education

7.2% 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 82% lower than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 76.7%.

Data Sources & Methodology

All demographic data for Lyon Mountain, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.