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/MILLSBORO

Millsboro ZIP code, Delaware

The ZIP code for Millsboro, DE is 19966, and its area code is 302.

USPS city name
1 ZIP code
Population
7,424
Area code
302

Millsboro in numbers

About 7,424 people live in Millsboro, in 3,276 households, the 17th-largest of Delaware's 79 census places. The median household income is $78,707 a year, 7% below the Delaware median of $84,954 (US: $80,734). The median owner-occupied home is valued at $332,600 (6% below the Delaware median), and median gross rent is $1,277 a month. The median age is 39.5; 34.2% of adults 25 and over hold a bachelor's degree or higher (35.8% across Delaware); the average commute takes 33 minutes.

Population7,424Millsboro7,424
Households3,276Millsboro3,276
Median age39.5Millsboro39.5Delaware41.6US 38.9
Median household income$78,707Millsboro$78,707Delaware$84,954US $80,734
Median home value$332,600Millsboro$332,600Delaware$352,000US $332,700
Median gross rent$1,277Millsboro$1,277Delaware$1,401US $1,413
Bachelor's degree or higher34.2%Millsboro34.2%Delaware35.8%US 35.7%
Mean commute33.0 minMillsboro33.0 minDelaware26.0 minUS 26.4 min
Population density1,447 / sq miMillsboro1,447 / sq mi

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

ZIP codes addressed as Millsboro

ZIP codes with the USPS city name Millsboro
ZIP City Type Population Median income Median home
19966 Millsboro , DE Standard 35,884 $78,305 $317,500

Map of Millsboro ZIP codes

19966

The ZIP codes of Millsboro, 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 Millsboro

The nearest larger towns are Georgetown (7,660 people, 8.1 mi), Ocean Pines, MD (12,351 people, 17 mi) and Seaford (8,485 people, 17 mi).

Towns near Millsboro
TownPopulationDistance
Georgetown 7,660 8.1 mi
Selbyville 3,097 10.5 mi
Ocean View 2,851 11.6 mi
Milton 3,567 12.9 mi
Laurel 4,152 14.2 mi
Lewes 3,505 15.9 mi
Ocean Pines, MD 12,351 16.6 mi
Delmar, MD 4,261 16.9 mi
Seaford 8,485 17.1 mi
Bridgeville 2,745 18.4 mi
Berlin, MD 5,232 18.5 mi
Ocean City, MD 6,903 18.7 mi
West Ocean City, MD 5,198 19.8 mi
Salisbury, MD 33,285 21.0 mi

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

Cite this page

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

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