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/PARKVILLE

Parkville ZIP code, Maryland

The ZIP code for Parkville, MD is 21234, and its area codes are 410, 443 and 667.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
30,549
Area codes
410, 443, 667

Mail addressed to Parkville uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Parkville in numbers

About 30,549 people live in Parkville, in 12,481 households, the 42nd-largest of Maryland's 527 census places. The median household income is $79,178 a year, 24% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $260,400 (38% below the Maryland median), and median gross rent is $1,526 a month. The median age is 38.5; 33.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 27 minutes.

Population30,549Parkville30,549
Households12,481Parkville12,481
Median age38.5Parkville38.5Maryland39.4US 38.9
Median household income$79,178Parkville$79,178Maryland$103,678US $80,734
Median home value$260,400Parkville$260,400Maryland$419,900US $332,700
Median gross rent$1,526Parkville$1,526Maryland$1,705US $1,413
Bachelor's degree or higher33.2%Parkville33.2%Maryland43.4%US 35.7%
Mean commute27.2 minParkville27.2 minMaryland31.1 minUS 26.4 min
Population density7,129 / sq miParkville7,129 / sq mi

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

ZIP codes addressed as Parkville

ZIP codes with the USPS city name Parkville
ZIP City Type Population Median income Median home
21234 Parkville , MD Standard 66,334 $83,517 $288,100

Other ZIP codes overlapping Parkville

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

ZIP codes overlapping Parkville
ZIP City Type Population Median income Median home
21239 Baltimore , MD Standard 27,346 $62,650 $207,400
21286 Towson , MD Standard 21,853 $93,808 $430,100

Map of Parkville ZIP codes

21234

The ZIP codes of Parkville, 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 Parkville

The nearest larger towns are Towson (58,679 people, 3.6 mi), Baltimore (573,243 people, 6.5 mi) and Middle River (31,712 people, 7.2 mi).

Towns near Parkville
TownPopulationDistance
Carney 28,343 2.2 mi
Overlea 13,035 2.3 mi
Hampton 5,372 3.0 mi
Towson 58,679 3.6 mi
Perry Hall 29,105 4.3 mi
Rossville 16,059 4.4 mi
Lutherville 6,574 4.5 mi
Rosedale 20,002 4.5 mi
White Marsh 10,932 5.0 mi
Timonium 10,304 5.0 mi
Baltimore 573,243 6.5 mi
Honeygo 12,250 6.7 mi
Mays Chapel 16,066 7.0 mi
Middle River 31,712 7.2 mi

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

Cite this page

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

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