Hillside Lake, New York Demographics & Population 2026

A note before these figures: with a population of 784, Hillside Lake'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

Hillside Lake is a small community located in New York, within Dutchess County. The total population is 784. It ranks as the 917th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Hillside Lake is 59.2 years. This is 49% higher than the state median of 39.8 years. Only 12.2% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Hillside Lake is $95,231. This is 11% higher than the state median of $85,974. It is also 18% higher than the national median of $80,734. The poverty rate stands at 1.4%. This is 90% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 6.5%. This is 3% higher than the state rate of 6.4%. The median home value is $376,600. Housing costs are 11% lower than the state median of $423,800. The home-value-to-income ratio is 4.0x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 84% higher than the state average of 54.4%.

Race & Ethnicity

Hillside Lake has a predominantly White (non-Hispanic) population, comprising 87.9% of all residents. Black or African American residents account for 5.6%. The White (non-Hispanic) population is significantly higher than the state average (87.9% vs 52.8%). The Black or African American population (5.6%) is well below the state average of 13.4%. The Hispanic or Latino population (5.6%) is well below the state average of 19.8%. The Asian population (0.4%) is well below the state average of 9.0%.

Education

36.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% 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 98.6%.

Data Sources & Methodology

All demographic data for Hillside Lake, 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.