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/WI/PLYMOUTH

Plymouth ZIP code, Wisconsin

The ZIP code for Plymouth, WI is 53073, and its area code is 920.

USPS city name
1 ZIP code
Population
8,890
Area code
920

Plymouth in numbers

About 8,890 people live in Plymouth, in 4,125 households. The median household income is $68,038 a year, 12% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $213,300 (20% below the Wisconsin median), and median gross rent is $914 a month. The median age is 45.5; 24.7% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 16 minutes.

Population8,890Plymouth8,890
Households4,125Plymouth4,125
Median age45.5Plymouth45.5Wisconsin40.2US 38.9
Median household income$68,038Plymouth$68,038Wisconsin$77,485US $80,734
Median home value$213,300Plymouth$213,300Wisconsin$266,500US $332,700
Median gross rent$914Plymouth$914Wisconsin$1,087US $1,413
Bachelor's degree or higher24.7%Plymouth24.7%Wisconsin33.4%US 35.7%
Mean commute15.8 minPlymouth15.8 minWisconsin22.2 minUS 26.4 min
Population density1,658 / sq miPlymouth1,658 / sq mi

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

ZIP codes addressed as Plymouth

ZIP codes with the USPS city name Plymouth
ZIP City Type Population Median income Median home
53073 Plymouth , WI Standard 16,136 $76,442 $258,900

Map of Plymouth ZIP codes

53073

The ZIP codes of Plymouth, WI, 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 Plymouth

The nearest larger towns are Sheboygan (49,645 people, 12 mi), Fond du Lac (44,494 people, 24 mi) and West Bend (32,030 people, 25 mi).

Towns near Plymouth
TownPopulationDistance
Sheboygan Falls 8,547 7.0 mi
Howards Grove 3,223 9.3 mi
Sheboygan 49,645 11.7 mi
Oostburg 3,058 12.2 mi
Kiel 3,943 12.2 mi
New Holstein 3,075 15.5 mi
Kewaskum 4,461 20.6 mi
Chilton 4,049 22.0 mi
Fond du Lac 44,494 23.8 mi
Saukville 4,267 24.6 mi
West Bend 32,030 25.1 mi
Port Washington 12,645 25.2 mi
Lomira 2,675 26.1 mi
North Fond du Lac 5,392 26.3 mi

More nearby: every ZIP code in Sheboygan County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “Plymouth, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/plymouth

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