Hartly, Delaware Demographics & Population 2026

A note before these figures: with a population of 199, Hartly'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

Hartly is a small community located in Delaware, within Kent County. The total population is 199. It ranks as the 75th most populous out of 79 Census-designated places in Delaware.

Age Demographics

The median age in Hartly is 42.6 years. This is 2% higher than the state median of 41.6 years.

Economy, Income & Housing

The median household income in Hartly is $152,813. This is 80% higher than the state median of $84,954. It is also 89% higher than the national median of $80,734. The poverty rate stands at 9.6%. This is 8% lower than the state poverty rate of 10.4%. The survey records no unemployed residents in Hartly, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $87,200. Housing costs are 75% lower than the state median of $352,000. With a home-value-to-income ratio of just 0.6x, Hartly is one of the most affordable housing markets in the area. 84.4% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 73.0%.

Race & Ethnicity

Hartly has a predominantly White (non-Hispanic) population, comprising 88.4% of all residents. Black or African American residents account for 7.5%. The White (non-Hispanic) population is significantly higher than the state average (88.4% vs 58.1%). The Black or African American population (7.5%) is well below the state average of 21.4%.

Education

5.0% 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 86% lower 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 51.2%.

Data Sources & Methodology

All demographic data for Hartly, 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.