Delaware Demographics, ZIP Codes and Area Codes

Delaware is the 45th most populated state in the United states, associated with 5 major cities, 3 counties, 1 NPA code, 76 standard zip codes, 17 unique zip codes and accommodates 993,635 local residents.

Delaware Demographics Summary

Population	993,635 residents
Male Population	482,909 males
Female Population	510,726 females
Male to Female Ratio	946 females per 1,000 males
Land Area	1,949 square miles
White Population	634,244
Hispanic or Latino Population	98,696
Black Population	218,266
Asian Population	40,570
Total US Natives or Citizens	993,635
Total Non US Citizens	44,968
Avg. household income	$104,600
Percapita Income	$42,180
Total Housing units	993,635
Vacant Housing units	62,556
Total US Natives or Citizens	331,097,593
Total Non-US Citizens	21,614,904

This population information for Delaware is sourced from 2022 American Community Survey (ACS 5-year) data.

5 Most Populous Cities in Delaware

The 45th most populous state Delaware is a place for 5 most populous cities (having the population of more than 20000 residents) in the United States.

City	ZIP Code	Population
Wilmington, DE	17	71,034
Dover, DE	4	38,879
Newark, DE	8	30,655
Middletown, DE	1	23,573
Bear, DE	2	23,070

1 Area Code Used in Delaware

The 45th most populous state Delaware is associated with 1 area (NPA) code in the United States for dialing/telecommunication purposes.

• 302 Area Code

3 Counties of Delaware

The 45th most populous state Delaware consists of 3 counties in the United States.

• Kent County, DE
• New Castle County, DE
• Sussex County, DE

Adjacent States to Delaware in USA

• Maryland
• New Jersey
• Pennsylvania