Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/DE/DOVER

Dover ZIP codes, Delaware

Dover, DE has 5 ZIP codes (19904, 19901, 19903, 19905 and 19906) and area code 302. The largest is 19904.

USPS city name
5 ZIP codes
Overlapping the city
1 more
Population
39,837
Area code
302

Mail addressed to Dover uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Dover in numbers

About 39,837 people live in Dover, in 15,428 households, the 2nd-largest of Delaware's 79 census places. The median household income is $60,199 a year, 29% below the Delaware median of $84,954 (US: $80,734). The median owner-occupied home is valued at $258,900 (26% below the Delaware median), and median gross rent is $1,344 a month. The median age is 34.7; 26.7% of adults 25 and over hold a bachelor's degree or higher (35.8% across Delaware); the average commute takes 23 minutes.

Population39,837Dover39,837
Households15,428Dover15,428
Median age34.7Dover34.7Delaware41.6US 38.9
Median household income$60,199Dover$60,199Delaware$84,954US $80,734
Median home value$258,900Dover$258,900Delaware$352,000US $332,700
Median gross rent$1,344Dover$1,344Delaware$1,401US $1,413
Bachelor's degree or higher26.7%Dover26.7%Delaware35.8%US 35.7%
Mean commute22.9 minDover22.9 minDelaware26.0 minUS 26.4 min
Population density1,673 / sq miDover1,673 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Dover city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dover

ZIP codes with the USPS city name Dover
ZIP City Type Population Median income Median home
19904 Dover , DE Standard 38,818 $66,908 $309,400
19901 Dover , DE Standard 37,763 $66,388 $273,000
19903 Dover , DE No street area — — —
19905 Dover , DE No street area — — —
19906 Dover , DE No street area — — —

Other ZIP codes overlapping Dover

These ZIP codes cover part of Dover but are addressed as somewhere else.

ZIP codes overlapping Dover
ZIP City Type Population Median income Median home
19902 Dover Afb , DE Standard 44 — —

Map of Dover ZIP codes

1990419901199031990519906

The ZIP codes of Dover, DE, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Dover

The nearest larger towns are Vineland, NJ (61,006 people, 35 mi), Wilmington (71,727 people, 40 mi) and Bel Air South, MD (58,137 people, 48 mi).

Towns near Dover
TownPopulationDistance
Highland Acres 3,752 3.1 mi
Dover Base Housing 2,962 3.7 mi
Rising Sun-Lebanon 4,163 4.3 mi
Camden 4,106 4.6 mi
Riverview 2,596 9.0 mi
Clayton 4,222 9.8 mi
Smyrna 13,165 10.4 mi
Harrington 3,838 16.6 mi
Milford 12,803 18.1 mi
Townsend 2,832 19.4 mi
Greensboro, MD 2,634 20.0 mi
Middletown 24,661 22.2 mi
Bridgeton, NJ 27,001 24.3 mi
Denton, MD 4,936 25.3 mi

More nearby: every ZIP code in Kent County · Delaware ZIP codes

Cite this page

zipcodes.pro. “Dover, DE ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/de/dover

Underlying data is public domain or openly licensed — sources, vintages and licences.