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/DORCHESTER

Dorchester ZIP code, Wisconsin

The ZIP code for Dorchester, WI is 54425, and its area codes are 534 and 715.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
879
Area codes
534, 715

Mail addressed to Dorchester uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Dorchester in numbers

About 879 people live in Dorchester, in 319 households. The median household income is $60,536 a year, 22% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $156,000 (41% below the Wisconsin median), and median gross rent is $837 a month. The median age is 34.5; 9.9% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 17 minutes.

Population879Dorchester879
Households319Dorchester319
Median age34.5Dorchester34.5Wisconsin40.2US 38.9
Median household income$60,536Dorchester$60,536Wisconsin$77,485US $80,734
Median home value$156,000Dorchester$156,000Wisconsin$266,500US $332,700
Median gross rent$837Dorchester$837Wisconsin$1,087US $1,413
Bachelor's degree or higher9.9%Dorchester9.9%Wisconsin33.4%US 35.7%
Mean commute17.3 minDorchester17.3 minWisconsin22.2 minUS 26.4 min
Population density633 / sq miDorchester633 / sq mi

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

ZIP codes addressed as Dorchester

ZIP codes with the USPS city name Dorchester
ZIP City Type Population Median income Median home
54425 Dorchester , WI Standard 1,988 $63,424 $175,000

Other ZIP codes overlapping Dorchester

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

ZIP codes overlapping Dorchester
ZIP City Type Population Median income Median home
54405 Abbotsford , WI Standard 2,770 $69,659 $177,900

Map of Dorchester ZIP codes

54425

The ZIP codes of Dorchester, 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 Dorchester

The nearest larger towns are Abbotsford (2,024 people, 4.1 mi), Colby (1,907 people, 6.3 mi) and Medford (4,431 people, 9.3 mi).

Towns near Dorchester
TownPopulationDistance
Medford 4,431 9.3 mi
Marshfield 18,700 24.6 mi

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

Cite this page

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

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