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/OOSTBURG

Oostburg ZIP code, Wisconsin

The ZIP code for Oostburg, WI is 53070, and its area code is 920.

USPS city name
1 ZIP code
Population
3,058
Area code
920

Oostburg in numbers

About 3,058 people live in Oostburg, in 1,304 households. The median household income is $87,857 a year, 13% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $246,900 (7% below the Wisconsin median), and median gross rent is $936 a month. The median age is 45.9; 29.3% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 24 minutes.

Population3,058Oostburg3,058
Households1,304Oostburg1,304
Median age45.9Oostburg45.9Wisconsin40.2US 38.9
Median household income$87,857Oostburg$87,857Wisconsin$77,485US $80,734
Median home value$246,900Oostburg$246,900Wisconsin$266,500US $332,700
Median gross rent$936Oostburg$936Wisconsin$1,087US $1,413
Bachelor's degree or higher29.3%Oostburg29.3%Wisconsin33.4%US 35.7%
Mean commute23.9 minOostburg23.9 minWisconsin22.2 minUS 26.4 min
Population density1,509 / sq miOostburg1,509 / sq mi

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

ZIP codes addressed as Oostburg

ZIP codes with the USPS city name Oostburg
ZIP City Type Population Median income Median home
53070 Oostburg , WI Standard 4,951 $91,557 $282,000

Map of Oostburg ZIP codes

53070

The ZIP codes of Oostburg, 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 Oostburg

The nearest larger towns are Sheboygan Falls (8,547 people, 7.5 mi), Sheboygan (49,645 people, 8.4 mi) and Plymouth (8,890 people, 12 mi).

Towns near Oostburg
TownPopulationDistance
Sheboygan Falls 8,547 7.5 mi
Sheboygan 49,645 8.4 mi
Plymouth 8,890 12.2 mi
Howards Grove 3,223 14.3 mi
Port Washington 12,645 17.2 mi
Saukville 4,267 18.0 mi
Grafton 12,445 22.4 mi
Kewaskum 4,461 23.4 mi
Kiel 3,943 23.4 mi
West Bend 32,030 24.3 mi
Cedarburg 12,605 24.6 mi
New Holstein 3,075 27.2 mi
Jackson 8,003 28.2 mi
Thiensville 3,299 28.5 mi

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

Cite this page

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

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