Delaware, a small Mid-Atlantic U.S. state of America. Delaware takes its name from the nearby Delaware River. Dover is the capital of Delaware. This state is known as First State and Diamond State. Delaware Zip Code started with the digit 1970. The total number of Delaware Zip Code approximately 96. The total population of Delaware about 973,764. So you can find any information about Delaware especially zip codes, area codes, Populations, cities, county and so on.