Delaware Population 2019
By gauging the last official population estimate along with accounting for recent growth rates, we estimate that the population of Delaware is 980,421 in 2019.
At the time of the 2010 Census, the population of Delaware was recorded at 897,934, which represented a 14.6% rise on the 2000 figure of 783,600. An estimate in 2015 claims that the population within the state had risen to 945,934, and this would make Delaware the 45th largest state in the USA as far as population. Based on growth rates from the last year, Delaware is the 14th fastest growing state at a rate of 1.05%.
Delaware Population Density and Area
Delaware’s territory equates to just 2,490 square miles (6,452 square kilometers) of area managed by the state, and for every square mile of land, there is an average of 460.8 people. This makes Delaware's population density the 6th highest in the US.
The largest city in Delaware is Wilmington, with a population of 71,146 people. The largest county is New Castle, which is one of only three counties in the state. See more below for interactive graphs and charts concerning changes in population over time.
Age/Sex, Race, Religion
The median age is 39.6 years of age, with a slight gender gap of 51.6% females, and 48.4% males in the state.
In religious terms, Delaware's population is split, with 69% associating with Christianity, 6% non-Christian faiths, and 23% unaffiliated individuals.