ZIP code 57312: Alpena, SD
57312 is a ZIP code in Alpena, South Dakota, mainly in Beadle County, part of the Huron, SD micro area. About 596 people live here.
- Population
- 596
- Median household income
- $91,688
- Typical home value
- $137,500ACS median value
- Median rent
- $925gross, per month
- Median age
- 40.3
- Homeowners
- 85.8%of occupied homes
Shaded: ZIP code 57312's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57312 details
| City | Alpena |
|---|---|
| State | South Dakota |
| County | Beadle County (also partly Jerauld County, Sanborn County) |
| Metro area | Huron, SD |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 130.3 sq mi, plus 0.6 sq mi of water |
| Population density | 5 people per sq mi |
| Bachelor's degree or higher | 4.7% of adults 25+ |
| Average commute | 14.7 minutes |
| Center coordinates | 44.19318, -98.38401 |
ZIP codes near 57312
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57358 | Lane, SD | 8.4 mi | 15 |
| 57379 | Virgil, SD | 8.9 mi | 120 |
| 57385 | Woonsocket, SD | 10.9 mi | 1,408 |
| 57399 | Huron, SD | 14.4 mi | — |
| 57384 | Wolsey, SD | 16.3 mi | 1,077 |
| 57350 | Huron, SD | 16.5 mi | 16,199 |
| 57382 | Wessington Springs, SD | 17.5 mi | 1,180 |
| 57324 | Cavour, SD | 18.4 mi | 410 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 57312?
A typical home in ZIP code 57312 is worth about $137,500 (ACS median value). The median household here earns $91,688 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $137,500 homeWhat can a $91,688 income afford?Rental property numbers
About ZIP code 57312
What city is ZIP code 57312?
ZIP code 57312 is in Alpena, SD, in Beadle County.
What county is ZIP code 57312 in?
57312 is mainly in Beadle County, South Dakota, and partly in Jerauld County and Sanborn County.
What is the population of ZIP code 57312?
About 596 people live in ZIP code 57312, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57312 in?
57312 is in Central Time (UTC−6). It observes daylight saving time.