Home > MI > Mason County > Custer > Zip 49405

Zip Code 49405 — Custer, MI

49405 is a ZIP Code associated with Custer, MI, located within Mason. The postal region supports an estimated population of 1,635 residents across Data Pending housing units, with a population density of 9.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.910510, -86.189310)

Data MetricLocal Statistic
Postal / Zip Code49405
Primary CityCuster
State / ProvinceMI
CountyMason
Total Population1,635
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density9.0 people/sq mi
TimezoneAmerica/Detroit

How 49405 Compares

MetricZIP 49405Mason CountyMI State Average
Population1,63527,29310,077,716
Median IncomeData PendingN/AN/A
Population Density9.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 49458Walhalla4.5 mi169N/A
Zip 49454Scottville5.6 mi4,873N/A
Zip 49410Fountain7.9 mi1,734N/A
Zip 49402Branch8.1 mi1,411N/A
Zip 49431Ludington11.2 mi17,184N/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 →