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Zip Code 48880 — Saint Louis, MI

48880 is a ZIP Code associated with Saint Louis, MI, located within Gratiot. The postal region supports an estimated population of 9,994 residents across Data Pending housing units, with a population density of 51.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.458000, -84.571350)

Data Metric	Local Statistic
Postal / Zip Code	48880
Primary City	Saint Louis
State / Province	MI
County	Gratiot
Total Population	9,994
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	51.6 people/sq mi
Timezone	America/Detroit

How 48880 Compares

Metric	ZIP 48880	Gratiot County	MI State Average
Population	9,994	43,623	10,077,716
Median Income	Data Pending	N/A	N/A
Population Density	51.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 48615	Breckenridge	5.4 mi	3,061	N/A
Zip 48801	Alma	7.6 mi	13,278	N/A
Zip 48883	Shepherd	7.6 mi	7,292	N/A
Zip 48662	Wheeler	9.0 mi	1,185	N/A
Zip 48832	Elwell	10.8 mi	1,307	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →