Mountain Dale, New York Demographics & Population 2026

A note before these figures: with a population of 499, Mountain Dale'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

Mountain Dale is a small community located in New York, within Sullivan County. The total population is 499. It ranks as the 1057th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Mountain Dale is 54.2 years. This is 36% higher than the state median of 39.8 years. 18.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Mountain Dale is $41,250. This is 52% lower than the state median of $85,974. It is also 49% lower than the national median of $80,734. The poverty rate stands at 10.0%. This is 29% lower than the state poverty rate of 14.0%. The unemployment rate is 3.1%. This is 51% lower than the state rate of 6.4%. The median home value is $169,800. Housing costs are 60% lower than the state median of $423,800. The home-value-to-income ratio is 4.1x. 59.3% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 54.4%.

Race & Ethnicity

The largest racial or ethnic group in Mountain Dale is White (non-Hispanic), making up 60.5% of the population. Hispanic or Latino residents account for 32.7%. The Black or African American population (1.0%) is well below the state average of 13.4%. The Hispanic or Latino population is significantly higher than the state average (32.7% vs 19.8%). The Asian population (2.8%) is well below the state average of 9.0%.

Education

37.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% 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 83.2%.

Data Sources & Methodology

All demographic data for Mountain Dale, 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.