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/MI/CASCO

Casco ZIP code, Michigan

The ZIP code for Casco, MI is 48064.

USPS city name
1 ZIP code
Population
4,180

Casco in numbers

About 4,180 people live in Casco, in 1,521 households. The median household income is $87,538 a year, 20% above the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $303,200 (31% above the Michigan median).

Population4,180Casco4,180
Households1,521Casco1,521
Median household income$87,538Casco$87,538Michigan$72,875US $80,734
Median home value$303,200Casco$303,200Michigan$231,600US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Casco. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Casco

ZIP codes with the USPS city name Casco
ZIP City Type Population Median income Median home
48064 Casco , MI Standard 4,180 $87,538 $303,200

Map of Casco ZIP codes

The ZIP codes of Casco, MI, 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 Casco

The nearest larger towns are Richmond (5,855 people, 5.4 mi), New Baltimore (12,072 people, 6.6 mi) and New Haven (6,475 people, 7.0 mi).

Towns near Casco
TownPopulationDistance
Richmond 5,855 5.4 mi
New Baltimore 12,072 6.6 mi
New Haven 6,475 7.0 mi
Marine City 4,028 9.0 mi
St. Clair 5,585 9.8 mi
Pearl Beach 4,506 10.1 mi
Algonac 4,139 12.0 mi
Marysville 9,925 13.7 mi
Mount Clemens 15,511 15.9 mi
Romeo 3,578 17.3 mi
Port Huron 28,620 19.7 mi
Utica 5,180 20.4 mi
Fraser 14,583 21.2 mi
Almont 2,838 21.9 mi

More nearby: every ZIP code in St. Clair County · Michigan ZIP codes

Cite this page

zipcodes.pro. “Casco, MI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mi/casco

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