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/MERRIMAC

Merrimac ZIP code, Wisconsin

The ZIP code for Merrimac, WI is 53561, and its area code is 608.

USPS city name
1 ZIP code
Population
570
Area code
608

Merrimac in numbers

About 570 people live in Merrimac, in 231 households. The median household income is $92,417 a year, 19% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $276,600 (4% above the Wisconsin median), and median gross rent is $992 a month. The median age is 39.3; 34.8% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 31 minutes.

Population570Merrimac570
Households231Merrimac231
Median age39.3Merrimac39.3Wisconsin40.2US 38.9
Median household income$92,417Merrimac$92,417Wisconsin$77,485US $80,734
Median home value$276,600Merrimac$276,600Wisconsin$266,500US $332,700
Median gross rent$992Merrimac$992Wisconsin$1,087US $1,413
Bachelor's degree or higher34.8%Merrimac34.8%Wisconsin33.4%US 35.7%
Mean commute30.6 minMerrimac30.6 minWisconsin22.2 minUS 26.4 min
Population density693 / sq miMerrimac693 / sq mi

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

ZIP codes addressed as Merrimac

ZIP codes with the USPS city name Merrimac
ZIP City Type Population Median income Median home
53561 Merrimac , WI Standard 1,872 $91,103 $427,600

Map of Merrimac ZIP codes

53561

The ZIP codes of Merrimac, 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 Merrimac

The nearest larger towns are Lake Wisconsin (5,384 people, 1.7 mi), Lodi (3,204 people, 6.0 mi) and Prairie du Sac (4,382 people, 7.8 mi).

Towns near Merrimac
TownPopulationDistance
Lake Wisconsin 5,384 1.7 mi
Lodi 3,204 6.0 mi
Prairie du Sac 4,382 7.8 mi
Baraboo 12,769 8.5 mi
Sauk City 3,483 8.8 mi
Poynette 2,678 11.2 mi
Portage 10,236 14.4 mi
Waunakee 15,687 16.1 mi
Lake Delton 3,482 16.9 mi
DeForest 11,501 17.5 mi
Cross Plains 4,107 18.0 mi
Middleton 22,301 19.5 mi
Windsor 9,452 19.5 mi
Wisconsin Dells 2,547 19.6 mi

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

Cite this page

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

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