Henlopen Acres, Delaware Demographics & Population 2026

A note before these figures: with a population of 176, Henlopen Acres'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

Henlopen Acres is a small community located in Delaware, within Sussex County. The total population is 176. It ranks as the 78th most populous out of 79 Census-designated places in Delaware.

Age Demographics

The median age in Henlopen Acres is 70.4 years. This is 69% higher than the state median of 41.6 years. Only 5.1% of residents are under 18, indicating fewer families with children. 34.7% 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 Henlopen Acres is $151,250. This is 78% higher than the state median of $84,954. It is also 87% higher than the national median of $80,734. The ACS records no residents below the poverty line in Henlopen Acres. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The unemployment rate is 6.0%. This is 17% higher than the state rate of 5.1%. The median home value is $2,000,000+. Housing costs are 468% higher than the state median of $352,000. The home-value-to-income ratio of 13.2x suggests that housing affordability is a significant concern for many residents. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 37% higher than the state average of 73.0%.

Race & Ethnicity

Henlopen Acres has a predominantly White (non-Hispanic) population, comprising 93.2% of all residents. The White (non-Hispanic) population is significantly higher than the state average (93.2% vs 58.1%).

Education

80.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Henlopen Acres in the top 10% of all cities in the state for educational attainment. This is 124% higher than the state rate of 35.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.9%. Notably, 32.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Henlopen Acres, Delaware 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 Delaware state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 79 Census-designated places in Delaware. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.