27 Useful Facts About Delaware

Delaware is the 45th most populous and the 49th most extensive of the United States. It lies in the Mid-Atlantic or Northeastern region of the United States. The state attained statehood on December 7, 1787, becoming the 1st state to join the union. It has three (3) bordering states including New Jersey, Pennsylvania, Maryland. See the full list of states and their borders here. Delaware (nicknamed: The First State, The Small Wonder, The Blue Hen State) has 3 counties. The state’s capital is Dover. With these facts about Delaware, let us learn more about its history, geography, people, economy and more.

1. Wilmington is Delaware’s largest city.[1]

2. Did you know that Delaware has only three counties (they are New Castle, Kent, and Sussex), the lowest number of any state? On the other hand, Texas (254 counties) has the most number of counties in the United States.[1]

3. Sussex (950 square miles) is the largest county of the three, followed by Kent (594 square miles) and then New Castle (438 square miles).[18]

4. On December 7, 1787, Delaware became the first state to ratify the constitution of the United States. The state is also nicknamed “The First State”.[1]

5. Henry Hudson, sailing under the Dutch flag, is credited with Delaware’s discovery in 1609.[5]

6. In 1610, Delaware was named after the first governor of Virginia, Sir Thomas West, Lord De La Warr.[3]

7. Did you know that after Rhode Island, Delaware it is the second smallest state in the United States. However, due to its small size, it is also the sixth most densely populated of the fifty states of the U.S.[1,15]

8. Ebright Azimuth – 447.85 ft. above sea level near Ebright Road in New Castle County is the highest elevation in Delaware. The lowest point is the Sea level along the coast.[18]

9. Delaware has the lowest mean elevation (450 feet) of any state followed by Florida (345 feet) and Louisiana (535 feet). Colorado has the highest mean elevation (14,440 feet) of all states.[2]

10. Delaware is the third (3rd) most bike-friendly state in the U.S.

11. Majority (almost 91%) of the population of Delaware age 5 years and older speaks only English at home. Nearly 5% of the state’s population speaks Spanish.[1]

12. Delaware has the ninth largest number of millionaires per capita in the United States. Maryland, New Jersey, and Connecticut have the largest number of millionaires per capita respectively.[12]

13. Delaware is also a corporate heaven because of its business-friendly corporation laws. In fact, more than 50% of all the U.S. publicly traded companies and 66% of the Fortune 500 companies are incorporated in Delaware. It is easier and cheaper for a company to incorporate in Delaware than in most other states, even if the company conducts most of its business outside of the state.[3]

14. It is interesting to note here that in Delaware there are more than a million registered corporations, meaning there are more corporations than people.[10]

15. The Du Pont Chemical Company (one of the world’s largest chemical companies) plays a significant role in Delaware’s economy.[3]

16. Did you know that several ships have been named USS Delaware in honor of this state?[19]

17. Delaware is one of the only five states without sales tax. Other states are Alaska, Oregon, Montana, and New Hampshire.[11]

18. The Delaware Memorial Bridge that connects Delaware with New Jersey is one of the world’s longest suspension bridges.[6]

19. If you pay attention to the geography of the state, Delaware is 96 miles long and varies from 9 to 35 miles in width.[18]

20. Did you know that the world’s first Nylon plant was located in Seaford, Delaware? Invented in 1937 by DuPont chemist Wallace Hume Carothers, this is where one of the world’s most famous fibers was first produced on a large scale. The town is also known as the “Nylon Capital of the World.”[8,9]

21. Did you know that Delaware has the largest population of horseshoe crabs in the world? It is estimated that they (horseshoe crabs) predate the dinosaurs by more than 200 million years. The blood of these creatures is used by medical researchers to test intravenous drugs, vaccines, and medical devices.[12]

22. Did you know that there is a county named “Delaware County” in Pennsylvania?[13]

23. With an average speed of 25.2 Mbps, Delawareans enjoy the second fastest internet speeds in the United States. The District of Columbia retains the top spot for fastest wireline internet in the country at 28.1 megabits per second.[14]

24. The state’s geographic center is in Kent County, 11 mi (18 km) S of Dover.[16]

25. Did you know that at 28 mi (45 km) Delaware has the 22nd-longest coastline among all U.S. states? Alaska, Florida, California, Hawaii, Louisiana, Texas, North Carolina, Oregon, Maine, and Massachusetts are the ten states with the longest coastline in the U.S., respectively.[17]

26. Did you know that agriculture is state’s number 1 industry with a worth of $8 billion?[20]

27. Delaware’s State Song (designated the official state song in 1925), “Our Delaware” contains four verses. The first three verses honor the three counties of the state while the fourth praises the state.[21]

Delaware – Quick Facts and State Symbols

State AbbreviationDE
State CapitalDover
Largest CityWilmington
State SizeTotal (Land + Water): 2,489 sq miles; Land Only: 1,954 sq miles
(Estimate July 1, 2017 from United States Census Bureau)
StatehoodDecember 7, 1787
State rank by population45th
State rank by date of formation1st
State rank by area49th
Number of Counties3
Bordering StatesMaryland, New Jersey, Pennsylvania
Official LanguageNone
Highest PointNear the
Ebright Azimuth
447.85 ft (136.50468 m)
Lowest pointAtlantic Ocean
Sea level
Length 96 miles (154 km)
Width30 miles (48 km)
GovernorJohn Carney
Electoral Votes3
State MottoLiberty and Independence
State NicknameDiamond State; First State
% Water21.7
Noble prize winnersDaniel Nathans (Physiology or Medicine, 1978)
Famous peopleAubrey Plaza (Actress)
Teri Polo (Actress)
Elisabeth Shue(Actress)
State TreeAmerican holly
State Flag

Flag of Delaware

State seal

Seal of Delaware.svg

State coat of arms

Coat of arms of Delaware.svg

State quarter

1999 DE Proof.png

State BirdBlue Hen Chicken

State BugLady bug


State ButterflyEastern tiger swallowtail

Pristine Eastern Tiger Swallowtail.jpg

State DogGolden Retriever

Golden Retriever
State FruitStrawberries

The Strawberry
State Fishweakfish

Spotted seatrout fish cynoscion nebulosus.jpg

State FlowerPeach Blossom

ROSACEAE 薔薇科 - Peach Flowers (Prunus persica) 桃
State FossilBelmnites


State HerbSweet goldenrod

Bee on Goldenrod
State MacroinvertebrateStonefly

State Marine animalHorseshoe Crab

Horseshoe Crab
State MineralSillimanite


State Tall ShipThe Kalmar Nyckel

Kalmar Nyckel Chesapeake Bay.jpg

State Wildlife animal

Grey Fox (Urocyon cinereoargenteus).jpg

Longitude75° 3′ W to 75° 47′ W
Latitude38° 27′ N to 39° 50′ N
Time ZoneEastern Time Zone
Area Codes302
Data SourceWikipedia,
Table last updated20th April , 2018


  1. https://en.wikipedia.org/wiki/Delaware
  2. http://www.netstate.com/states/tables/state_elevation_mean.htm
  3. http://www.sheppardsoftware.com/usaweb/snapshot/Delaware.htm
  4. https://www.delawareinc.com/blog/interesting-facts-about-delaware/
  5. https://www.infoplease.com/us/states/delaware
  6. https://www.roadtraffic-technology.com/features/feature-the-ten-longest-suspension-bridges-in-the-us/
  7. https://www.ducksters.com/geography/state.php?State=Delaware
  8. https://www.capegazette.com/affiliate-post/remembering-nylon-capital-world/123684
  9. https://en.wikipedia.org/wiki/Nylon
  10. https://corp.delaware.gov/aboutagency/
  11. https://blog.taxjar.com/us-states-with-no-sales-tax/
  12. https://oceanservice.noaa.gov/facts/horseshoe-crab.html
  13. https://en.wikipedia.org/wiki/Delaware_County,_Pennsylvania
  14. https://www.recode.net/2017/6/9/15768598/states-fastest-slowest-internet-speeds
  15. https://simple.wikipedia.org/wiki/List_of_U.S._states_by_population_density
  16. http://www.city-data.com/states/Delaware-Location-size-and-extent.html
  17. https://en.wikipedia.org/wiki/List_of_U.S._states_by_coastline
  18. https://delaware.gov/topics/facts/geo.shtml
  19. https://en.wikipedia.org/wiki/USS_Delaware
  20. https://www.farmflavor.com/delaware-agriculture/
  21. https://en.wikipedia.org/wiki/Our_Delaware
  22. https://www.worldatlas.com/articles/us-states-with-the-most-millionaires-per-capita.html