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/ST-LOUIS

St. Louis ZIP code, Michigan

The ZIP code for St. Louis, MI is 48880, and its area code is 989.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
7,367
Area code
989

Also written Saint Louis, the spelling the Postal Service uses.

Mail addressed to St. Louis 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.

St. Louis in numbers

About 7,367 people live in St. Louis, in 1,466 households. The median household income is $51,167 a year, 30% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $119,200 (49% below the Michigan median), and median gross rent is $794 a month. The median age is 37.5; 6.4% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 16 minutes.

Population7,367St. Louis7,367
Households1,466St. Louis1,466
Median age37.5St. Louis37.5Michigan40.2US 38.9
Median household income$51,167St. Louis$51,167Michigan$72,875US $80,734
Median home value$119,200St. Louis$119,200Michigan$231,600US $332,700
Median gross rent$794St. Louis$794Michigan$1,129US $1,413
Bachelor's degree or higher6.4%St. Louis6.4%Michigan32.4%US 35.7%
Mean commute16.1 minSt. Louis16.1 minMichigan24.2 minUS 26.4 min
Population density2,234 / sq miSt. Louis2,234 / sq mi

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

ZIP codes addressed as Saint Louis

ZIP codes with the USPS city name Saint Louis
ZIP City Type Population Median income Median home
48880 Saint Louis , MI Standard 9,994 $59,922 $144,900

Other ZIP codes overlapping St. Louis

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

ZIP codes overlapping St. Louis
ZIP City Type Population Median income Median home
48801 Alma , MI Standard 13,278 $58,750 $129,700

Map of St. Louis ZIP codes

48880

The ZIP codes of St. Louis, 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 St. Louis

The nearest larger towns are Alma (9,396 people, 2.9 mi), Mount Pleasant (21,236 people, 15 mi) and Midland (42,724 people, 24 mi).

Towns near St. Louis
TownPopulationDistance
Alma 9,396 2.9 mi
Ithaca 2,817 8.2 mi
Mount Pleasant 21,236 15.4 mi
Midland 42,724 24.2 mi
Freeland 7,557 26.0 mi
Shields 7,402 27.0 mi
St. Johns 7,715 28.3 mi
Clare 3,324 29.8 mi

More nearby: every ZIP code in Gratiot County · Michigan ZIP codes

Cite this page

zipcodes.pro. “St. Louis, MI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mi/st-louis

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