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/MD/DARLINGTON

Darlington ZIP code, Maryland

The ZIP code for Darlington, MD is 21034, and its area codes are 667, 443 and 410.

USPS city name
1 ZIP code
Population
353
Area codes
667, 443, 410

Darlington in numbers

About 353 people live in Darlington, in 160 households. The median household income is $81,875 a year, 21% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $402,900 (4% below the Maryland median). The median age is 44.1; 33.5% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 19 minutes.

Population353Darlington353
Households160Darlington160
Median age44.1Darlington44.1Maryland39.4US 38.9
Median household income$81,875Darlington$81,875Maryland$103,678US $80,734
Median home value$402,900Darlington$402,900Maryland$419,900US $332,700
Bachelor's degree or higher33.5%Darlington33.5%Maryland43.4%US 35.7%
Mean commute19.3 minDarlington19.3 minMaryland31.1 minUS 26.4 min
Population density338 / sq miDarlington338 / sq mi

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

ZIP codes addressed as Darlington

ZIP codes with the USPS city name Darlington
ZIP City Type Population Median income Median home
21034 Darlington , MD Standard 2,846 $78,047 $401,500

Map of Darlington ZIP codes

21034

The ZIP codes of Darlington, MD, 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 Darlington

The nearest larger towns are Port Deposit (491 people, 6.0 mi), Havre de Grace (14,994 people, 8.2 mi) and Rising Sun (2,764 people, 8.6 mi).

Towns near Darlington
TownPopulationDistance
Havre de Grace 14,994 8.2 mi
Rising Sun 2,764 8.6 mi
Perryville 4,447 8.8 mi
Aberdeen 17,298 8.8 mi
Bel Air 10,585 10.6 mi
Bel Air South 58,137 10.9 mi
Bel Air North 31,302 10.9 mi
Riverside 6,585 11.4 mi
Abingdon 5,019 12.9 mi
North East 4,134 14.1 mi
Fallston 10,013 14.6 mi
Jarrettsville 2,560 14.6 mi
Pleasant Hills 3,836 14.8 mi
Oxford, PA 5,825 15.5 mi

More nearby: every ZIP code in Harford County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Darlington, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/darlington

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