Delaware Population 2020

982,895

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 Area and Population Density

In many respects, the state of Delaware is quite tiny, and in terms of surface area, it is the second smallest state in the United States, ahead of only Rhode Island.

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.

Delaware Gender and Religion Statistics

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.

Delaware Boundary, Census, and Statehood History

Delaware was one of the 13 original States, and has essentially maintained its currently known boundaries since the Colonial times. Census coverage has included the entirety of Delaware from 1790 on.

Delaware Demographics

According to the most recent ACS, the racial composition of Delaware was:

  • White: 68.97%
  • Black or African American: 22.11%
  • Asian: 3.87%
  • Two or more races: 2.74%
  • Other race: 1.90%
  • Native American: 0.36%
  • Native Hawaiian or Pacific Islander: 0.05%

Delaware’s Population History

Like most states on the eastern edge of the United States, Delaware has enjoyed comparatively high and steady population statistics since the early settlers arrived in the 18th century. In 1790, the early census showed the numbers within the state to be 59,096, and ten years later at the start of the next century, that figure had grown by just 8.8% to 64,273.

Delaware Population Growth

Similar increases were experienced throughout the 1800s, and by 1860 the population of Delaware went beyond 100,000 for the first time. From this point, the percentage rise in census on census figures regularly exceeded 10% with one notable spike coming in 1960 when a rise of over 40% from 1950’s figures took the population to 446,292.

Delaware Population Projections

Delaware has enjoyed steady, if unspectacular, growth since it first came into existence, and there is no reason to suggest that this won’t continue. The question for many observers is how close the numbers can get to the one million mark by the time of the next Census in 2020. Estimates put the population of Delaware in 2020 right around 1 million based on current growth rates.

By projecting the current growth rates out to 2020, we end up with an estimate of 995,764 for 2020, just shy of the 1 million total.

Delaware is ranked as one of the top ten states when it comes to the proportion of African American residents compared to the total population. With over 20% of its population identifying as Black or African American, this puts Delaware in eighth place when compared to the other US states.

According to data from 2011, almost half of Delaware residents under the age of 1 belonged to minority groups. Between the census in 2000 and the one taken in 2010, the Hispanic population increased by over 86%, and the current estimated population of Hispanics is around 9%, mostly comprised of Puerto Ricans and Mexicans.

The largest ancestry groups in the state include Irish, German, English and Italian. The state is becoming more diverse, and in 2014, it was predicted that Delaware would be the 14th most diverse state in the nation, with the number of Hispanic residents expected to be 2.6 times higher than it is in 2016 and with the non-Hispanic white population decreasing to 59%.

Delaware Growth Rate

Delaware Population Rank

Delaware Population 2020

New Castle County

  • Population559,335
  • Density1312.11 per sq km
  • Growth Since 20103.82%
  • State Population Rank1
  • % of State57.83%

Growth by County in Delaware

When evaluating populations by county, Delaware is quite easy to evaluate as the state has just three counties. Unlike many states in the United States, which have a balance of declining and increasing populations, all three counties in Delaware -- New Castle, Kent, and Sussex -- posted population growths between the 2010 Census and estimates taken in 2015.

Sussex County, the southernmost county, posted the highest growth of 8.96%. This was followed by the central county of Kent, with an increase of 6.47%, and northernmost county New Castle, with a recorded population growth of 3.32%.

Population by Race

Race Population Percentage
White654,90568.97%
Black or African American209,89222.11%
Asian36,7233.87%
Two or More Races26,0092.74%
Some Other Race18,0341.90%
American Indian and Alaska Native3,4550.36%
Native Hawaiian and Other Pacific Islander4770.05%

Delaware Population Pyramid 2020

Delaware Median Age

40.2


Total

38.5


Male

42


Female

Delaware Adults

There are 746,069 adults, (167,129 of whom are seniors) in Delaware.

Delaware Age Dependency

64

Age Dependency Ratio

28.9

Old Age Dependency Ratio

35.1

Child Dependency Ratio

Delaware Sex Ratio

Female

489,925

51.60%

Male

459,570

48.40%

Delaware Households and Families

Delaware Renter vs Owner Occupied by Household Type

Delaware Household Types

Type Owner Renter
Married85%15%
All71.1%28.9%
Male62.5%37.5%
Non Family58.6%41.4%
Female54.3%45.7%

71.1%

Rate of Home Ownership

Type Count Average Size Owned
All357,7652.5871.1
Married174,3333.1585
Non Family119,8641.2858.6
Female47,1523.4854.3
Male16,4163.4762.5

3.15

Average Family Size

2.58

Average Household Size

6.1%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Delaware Education

Education Attained Count Percentage
Less Than 9th Grade22,8743.47%
9th to 12th Grade44,6086.76%
High School Graduate208,55731.60%
Some College125,18618.97%
Associates Degree51,5227.81%
Bachelors Degree120,79418.30%
Graduate Degree86,43813.10%

Delaware Educational Attainment by Race

Name Total High School Bachelors
White447,906414,988151,050
Black133,614118,11730,447
Hispanic45,31529,6206,786
Asian25,26622,89116,813
Other Race10,1766,5611,233
Multiple Races8,9607,9322,534
Native American2,6211,963565
Islander22517447

The highest rate of high school graduation is among white people with a rate of 92.65%.

The highest rate of bachelors degrees is among asian people with a rate of 66.54%.

Name Average Male Female
Overall$41,523$47,265$36,561
Less Than High School$26,271$30,155$20,863
High School Grad$32,301$39,066$26,725
Some College$38,001$44,162$32,435
Bachelors Degree$55,434$64,840$49,886
Graduate Degree$71,246$84,001$64,058

$41,523

Average Earnings

$47,265

Average Male

$36,561

Average Female

Delaware Language

Delaware Language by Age

Delaware Language

87.03% of Delaware residents speak only English, while 12.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.00% of the population.

Delaware Poverty

Delaware Poverty by Race

Name Total In Poverty Poverty Rate
White582,17246,2387.94%
Black200,54437,96718.93%
Hispanic84,04817,92821.33%
Multiple25,3405,34321.09%
Other17,6634,27624.21%
Asian36,2483,4619.55%
Native3,38276522.62%
Islander456306.58%

11.89%

Overall Poverty Rate

10.69%

Male Poverty Rate

13.00%

Female Poverty Rate

Poverty in Delaware

The race most likely to be in poverty in Delaware is Other, with 24.21% below the poverty level.

The race least likely to be in poverty in Delaware is Islander, with 6.58% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.14%. Among those working part-time, it was 14.99%, and for those that did not work, the poverty rate was 17.83%.

Name Poverty
Less Than High School20.72%
High School12.17%
Some College8.27%
Bachelors or Greater3.58%
Name Poverty
Female Unemployed28.31%
Male Unemployed24.04%
Female Employed6.60%
Male Employed4.39%

Delaware Income

Delaware Income by Household Type

Name Median Mean
Households$65,627$86,962
Families$79,814$101,100
Married Families$93,644$116,828
Non Families$39,382$54,924

Delaware Marital Status

Delaware Marital Status

Marriage Rates

47.9%

Overall Marriage Rate

50.2%

Male Marriage Rate

45.8%

Female Marriage Rate

Delaware Married by Age and Sex

Delaware Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Delaware Marital Status by Race

Delaware Veterans

66,590

Number of Veterans

60,746

Male Veterans

5,844

Female Veterans

War Veterans
Vietnam25,469
First Gulf War13,396
Second Gulf War10,899
Korea5,686
World War II2,268
Age Group Veterans
65 to 7419,354
75+15,201
35 to 5414,576
55 to 6412,726
18 to 344,733
Name Veterans % of Total
White51,2889.68%
Black12,9778.28%
Hispanic2,4734.52%
2 or More1,1899.63%
Asian4521.57%
Other3793.12%
Indian2608.50%
Hawaiian4514.75%

$Delaware Veterans by Education

5.63%

Veteran Poverty Rate

24.90%

Veteran Disability Rate

Delaware Employment Status

62.7%

Labor Force Participation

58.6%

Employment Rate

5.9%

Unemployment Rate

Delaware Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

44.88%

Born in Delaware

90.80%

Native Born

9.20%

Foreign Born

4.83%

Non Citizen

Place of Birth

90.80% of Delaware residents were born in the United States, with 44.88% having been born in Delaware. 4.83% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.