Delaware Zip Codes and Metro Areas
Delaware is home to 1,005,872 residents across 54 zip codes with at least 1,000 people and 2 metro and micro areas. The capital is Dover, and the state is part of the South Atlantic division of the South. The median age is 41.5, with 20.9% of residents under 18 and 20% aged 65 and older.
Population
1,005,872
Median age
41.5
Housing units
457,958
Zip codes
54
with 1,000+ residents
Metro and micro areas
2
Age 65 and older
20%
Look Up a Zip Code in Delaware
Search 54 Delaware zip codes by number or town name, or browse by county. Each result shows population, income, housing costs, education, and age data from the U.S. Census Bureau.
Largest Zip Codes in Delaware
The 25 most populous zip codes in Delaware. Select a zip code to see its full profile, or a column heading to sort.
| Zip | Town | County | Population | Median income | Home value | Median age |
|---|---|---|---|---|---|---|
| 19720 | New Castle | New Castle County | 60,593 | $75,985 | $265,000 | 39.7 |
| 19702 | Newark | New Castle County | 56,049 | $92,304 | $346,100 | 36.8 |
| 19709 | Middletown | New Castle County | 50,542 | $129,971 | $470,900 | 40.2 |
| 19711 | Newark | New Castle County | 49,113 | $94,455 | $398,900 | 35.8 |
| 19701 | Bear | New Castle County | 44,801 | $107,856 | $372,500 | 41.1 |
| 19805 | Wilmington | New Castle County | 40,315 | $56,708 | $237,100 | 35.8 |
| 19901 | Dover | Kent County | 39,149 | $63,891 | $273,000 | 32.4 |
| 19808 | Wilmington | New Castle County | 38,334 | $92,883 | $337,800 | 43.6 |
| 19904 | Dover | Kent County | 38,125 | $66,885 | $309,400 | 40.5 |
| 19966 | Millsboro | Sussex County | 34,892 | $75,436 | $317,500 | 53.0 |
| 19713 | Newark | New Castle County | 30,549 | $72,850 | $292,600 | 38.2 |
| 19958 | Lewes | Sussex County | 29,599 | $91,445 | $534,600 | 61.8 |
| 19977 | Smyrna | Kent County | 27,164 | $78,803 | $341,000 | 38.8 |
| 19810 | Wilmington | New Castle County | 25,859 | $110,486 | $440,600 | 46.1 |
| 19973 | Seaford | Sussex County | 25,786 | $62,668 | $278,300 | 42.9 |
| 19802 | Wilmington | New Castle County | 25,670 | $54,370 | $194,600 | 37.0 |
| 19963 | Milford | Sussex County | 22,544 | $65,420 | $322,500 | 40.3 |
| 19803 | Wilmington | New Castle County | 21,971 | $133,941 | $457,200 | 46.4 |
| 19947 | Georgetown | Sussex County | 19,343 | $68,529 | $322,300 | 37.1 |
| 19804 | Wilmington | New Castle County | 18,231 | $76,204 | $264,100 | 41.0 |
| 19707 | Hockessin | New Castle County | 17,366 | $172,161 | $556,600 | 44.6 |
| 19956 | Laurel | Sussex County | 16,274 | $59,085 | $259,500 | 36.5 |
| 19801 | Wilmington | New Castle County | 16,170 | $44,505 | $199,900 | 35.0 |
| 19703 | Claymont | New Castle County | 15,936 | $76,328 | $284,700 | 38.0 |
| 19971 | Rehoboth Beach | Sussex County | 15,528 | $103,301 | $608,800 | 62.1 |
Highest-Income Zip Codes in Delaware
Hockessin (19707) has the highest median household income in Delaware at $172,161. The typical Delaware zip code has a median of $79,399.
Metro and Micro Areas in Delaware
Select an area to see its zip codes, income by zip code, and demographics.
| Area | Type | Population | Median income | Median age | Zip codes |
|---|---|---|---|---|---|
| Seaford, DE | Micro | 247,799 | $78,162 | 51.4 | 21 |
| Dover, DE | Metro | 185,043 | $72,872 | 38.5 | 12 |
Age of Delaware Residents
The largest age group in Delaware is 25-34, with 128,346 residents. Groups are not equal widths.
Population by Race and Ethnicity
White residents make up the largest share of Delaware at 61.8%, followed by Black residents at 21.9%. Hispanic or Latino residents, who can be of any race, make up 10.7% of the population.
Source: U.S. Census Bureau, American Community Survey 5-year estimates. Hispanic or Latino residents can be of any race.