57312 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Alpena, SD

ZIP Code 57312: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Alpena, SD 57312

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  • ZIP Code Type: STANDARD
  • County: Jerauld County
  • Centroid: Latitude 44.156, Longitude -98.452
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 57312 has segments in 3 Counties (Beadle, Jerauld, Sanborn).

  • Businesses Addresses: 13
  • PO Box Addresses: 56
  • Residential Addresses: 150
    • Multi-Family Addresses: 0
    • Single Family Addresses: 150

The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2021, Maps updated: May 5, 2021.


Alpena, SD 57312 Data & Demographics (As of July 1, 2021)


Total Population 524 (100%)
Population in Households 469 (89.5%)
Population in Families 397 (75.8%)
Population in Group Quarters1 55 (10.5%)
Population Density 4
Diversity Index2 22


Median Household Income $75,644
Average Household Income $101,179
% of Income for Mortgage4 10%
Per Capita Income $41,003
Wealth Index5 122


Total HU (Housing Units) 244 (100%)
Owner Occupied HU 172 (70.5%)
Renter Occupied HU 40 (16.4%)
Vacant Housing Units 32 (13.1%)
Median Home Value $176,087
Average Home Value $222,238
Housing Affordability Index3 276


Total Households 212
Average Household Size 2.21
Family Households 152
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.07% -0.23%
Households 0.21% -0.19%
Families 0.0% -0.26%
Median Household Income   1.59%
Per Capita Income   1.9%
Owner Occupied HU   0.0%

Alpena, SD 57312 - Peer Comparisons by Rank and Percentile

The table below compares 57312 to the other 370 ZIP Codes in South Dakota by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 209 44th
Population Density # 208 44th
Median Household Income # 47 88th
Housing Affordability Index # 277 75th
Per Capita Income # 32 92nd
Diversity Index # 129 65th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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