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zipcodes.pro — CITY/SD/ALPENA

Alpena ZIP code, South Dakota

The ZIP code for Alpena, SD is 57312, and its area code is 605.

USPS city name
1 ZIP code
Population
317
Area code
605

Alpena in numbers

About 317 people live in Alpena, in 130 households. The median household income is $66,667 a year, 11% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $51,800 (80% below the South Dakota median), and median gross rent is $925 a month. The median age is 35.3; 5.8% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 14 minutes.

Population317Alpena317
Households130Alpena130
Median age35.3Alpena35.3South Dakota38.0US 38.9
Median household income$66,667Alpena$66,667South Dakota$75,081US $80,734
Median home value$51,800Alpena$51,800South Dakota$257,400US $332,700
Median gross rent$925Alpena$925South Dakota$946US $1,413
Bachelor's degree or higher5.8%Alpena5.8%South Dakota31.9%US 35.7%
Mean commute14.3 minAlpena14.3 minSouth Dakota17.8 minUS 26.4 min
Population density194 / sq miAlpena194 / sq mi

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

ZIP codes addressed as Alpena

ZIP codes with the USPS city name Alpena
ZIP City Type Population Median income Median home
57312 Alpena , SD Standard 596 $91,688 $137,500

Map of Alpena ZIP codes

57312

The ZIP codes of Alpena, SD, 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 Alpena

The nearest larger towns are Woonsocket (759 people, 10 mi), Wessington Springs (727 people, 12 mi) and Huron (14,385 people, 15 mi).

Towns near Alpena
TownPopulationDistance
Huron 14,385 14.6 mi

More nearby: every ZIP code in Beadle County · South Dakota ZIP codes

Cite this page

zipcodes.pro. “Alpena, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/alpena

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