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Delaware Population

Delaware (U.S. state abbreviation is 'DE') is one the states of United States located in the mid-atlantic region. It borders north to the Pennsylvania, south and west by Maryland, east by New Jersey and Atlantic Ocean. Delaware state capital is Dover and Wilmington is the largest city of the state. Delaware population in 2021 is estimated to be 994,735 residents, it is second smallest country with 96 miles long and 39 miles at its widest mostly Atlantic coastal plain and the area is 2044 square miles. The Delaware state was named after its Delaware river, and is divided into three counties, New Castle County is the largest country with 559,335 people, Sussex County with 229,286 and Kent County with 178,550 people. Before the European settlers, Delaware Indians was living with other tribes like Lenape in the Delaware valley.

According to U.S. 2020 Census Results, DE population in 2020 is 989,948.
YearPopulation% Change
2020989,948Census Population
by APRIL 1, 2020
Source : Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2018

Delaware Population by Race

Delaware Population distribution by Race are White Americans represent 69.11%, followed by 21.86% by Black Americans, 3.87% represent Asian population out of these 15,455 are Asian Indians, 8,889 are Chinese, 3986 are Filipinos, 510 are Japanese, 2,370 are Korean, 1,486 are Vietnamese people. 114 people are Native Hawaiian, 216 are Guamanian or Chamorro and 33 are Samoans. Over the Hispanic or Latino population, 33,559 are Mexicans, 26,524 are Puerto Ricans and 1,796 are Cubans. 3,482 belongs to American Indian and Natives, 46 are Navajo tribals, 13 are Chippewa tribals and 481 are Cherokee tribal grouping.

Total Population943,732Percent
Black or African American206,29021.86%
American Indian and Alaska Native3,4820.369%
Cherokee tribal grouping4810.051%
Chippewa tribal grouping130.001%
Navajo tribal grouping460.005%
Sioux tribal grouping00.000%
Asian Population36,5533.87%
Asian Indian15,4551.64%
Other Asian Population3,857
Native Hawaiian and Other Pacific Islander4650.05%
Native Hawaiian1140.012%
Guamanian or Chamorro2160.023%
Other Pacific Islander102
Some other race18,512
Hispanic or Latino84,7938.98%
Puerto Rican26,5242.81%
Other Hispanic or Latino22,914

Source: US Census 2017(Table B03002)

Top Cities of Delaware

The top cities of Delaware are Wilmington with a population of 70,635 as on 2018, followed by Dover with 36,826, Newark with 32,278, Bear with 19732 and Middletown with 18,871 inhabitants.


Population Pyramid

Below is the population pyramid of Delaware state as on 2017 census estimates.

Source: 2017 US Census Estimates: Population In Five Year Age-Group

Languages spoken in DE

About the Delaware Languages, 87.15% of the Delaware population speak English, followed by 6.85 are Spanish, 2.75 are European language and 2.33% speak Asian languages.
Speak only English774,28887.15
Spanish Language60,8816.85
European Language24,4052.75
Asian Languages20,6882.33
Other Languages8,1880.92
Source: US Census 2017(Table S1601)

Delaware Education

Below is the Delaware education stats as per the virtual census of 2018.

Population 18 to 24 years88,13944,41743,722
Less than high school graduate12,3517,5304,821
High school graduate (includes equivalency)29,22615,66313,563
Some college or associates degree37,47617,44820,028
Bachelors degree or higher9,0863,7765,310
Population 25 years and over651,540308,913342,627
Less than 9th grade23,41612,49210,924
9th to 12th grade, no diploma46,22824,74221,486
High school graduate (includes equivalency)203,13598,560104,575
Some college, no degree125,96458,03467,930
Associates degree51,02820,15930,869
Bachelors degree117,47855,66961,809
Graduate or professional degree84,29139,25745,034
High school graduate or higher409,117192,183216,934
Bachelors degree or higher146,93270,47776,455
Black or African130,36358,89171,472
High school graduate or higher114,49450,69263,802
Bachelors degree or higher29,00111,75317,248
American Indian or Alaska Native alone2,4631,2851,178
High school graduate or higher1,848959889
Bachelors degree or higher487295192
High school graduate or higher22,93311,22811,705
Bachelors degree or higher17,3828,9928,390
Native Hawaiian and Other Pacific Islander266151115
High school graduate or higher20012773
Bachelors degree or higher37829
Hispanic or Latino Origin44,31622,92921,387
High school graduate or higher28,51314,40614,107
Bachelors degree or higher6,3902,5673,823
Source: US Census 2017(Table S1501)


Below is the disable population of Delaware State.

Total civilian non-institutionalized population111,783
Black or African American22,389
American Indian and Alaska Native alone867
Native Hawaiian and Other Pacific Islander75
Some other race1,439
With a hearing difficulty28,554
With a vision difficulty19,290
With a cognitive difficulty42,565
With an ambulatory difficulty59,657
With a self-care difficulty22,644
With an independent living difficulty39,025

Counties of Delaware

Delaware state is divided into 3 counties, As on 2018 the largest being Kent County with 178,550, followed by New Castle with 559,335 and Sussex with 229,289 people.

CountyPopulation 2017Population 2018% ChangeRank 2017Rank 2018
Kent County176,445178,5501.233
New Castle County556,419559,3350.511
Sussex County224,214229,2862.322


1. Census Fact finder
2. Historical Population of States from 1790 to 1990

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