US ZIP Code
57312

Alpena, SD

Jerauld County  ·  South Dakota

● Active
👥 619 Population
💰 $83,750 Median HH Income
▲ 10% above avg ↑ 25% since 2019
🎂 40.8 Median Age ↓ 27% since 2019
🎓 23.2% College Grads
▼ 40% below avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57312
CityAlpena
StateSouth Dakota (SD)
CountyJerauld County
Area Code605
Elevation1,341 ft
Latitude44.193181
Longitude-98.38401
TimezoneChicago (DST)
FIPS46073
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.5% (300) Female 51.5% (319) ♀

Race & Ethnicity

White: 74%Hispanic: 19.2%Other: 4.9%Race
White74.0%
Hispanic19.2%
Other4.9%

Age Breakdown

Under 5
3%
5–17
25%
18–24
4%
25–44
24%
45–64
27%
65+
11%

Key Indicators

Median Age40.8 yrs ↓ 27% since 2019
Avg Household Size2.47
Below Poverty17.1% ▲ 71% above avg
College Grads23.2% ▼ 40% below avg
Unemployment0.0% ▼ 100% below avg
No HS Diploma1 (0.3%)
HS Graduate167 (42.6%)
Some College81 (20.7%)
Associates52 (13.3%)
Bachelors70 (17.9%)
Graduate Degree21 (5.4%)

Education

No HS: 0.3%HS Grad: 42.6%Some College: 20.7%Associates: 13.3%Bachelors: 17.9%Graduate: 5.4%Edu
No HS0.3%
HS Grad42.6%
Some College20.7%
Associates13.3%
Bachelors17.9%
Graduate5.4%
Housing & Income

Housing Tenure

Owner: 86.5%Renter: 13.6%Tenure
Owner86.5%
Renter13.6%

Home Value Distribution

Under $50k
38%
$50k–100k
14%
$100k–150k
8%
$150k–200k
21%
$200k–300k
5%
$300k–500k
12%
Over $500k
2%

Financials

Median HH Income$83,750 ▲ 10% above avg ↑ 25% since 2019
Median Rent$867/mo
Total Units251
Avg HH Size2.47

Income Distribution

Under $25k
8%
$25k–50k
26%
$50k–75k
11%
$75k–100k
17%
$100k–150k
28%
$150k–200k
0%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
89%
Walked
1%
Work From Home
10%

Commute Time

Under 15 min
49%
15–30 min
45%
30–45 min
4%
Over 45 min
2%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
15%
1960s–1970s
3%
1980s–1990s
17%
2000+
60%

Summary

Total Units251
Owner Occupied86.5%
Renter Occupied13.6%
Avg HH Size2.47
Frequently Asked Questions
ZIP code 57312 is in Alpena, SD, in Jerauld County.
ZIP code 57312 is located in South Dakota (SD).
ZIP code 57312 is in Jerauld County, SD.
ZIP 57312 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57312 is 619 people (ACS 2023).
The median household income in ZIP code 57312 is $83,750 (ACS 2023).
Home value data not available.
About ZIP Code 57312

ZIP code 57312 is located in Alpena, South Dakota, within Jerauld County. With a population of 619, this is a sparsely populated ZIP code with a middle-aged community — the median age is 40.8 years. Economically, 57312 is a middle-income ZIP code: the median household income of $83,750 is near the national average.

Renters can expect to pay around $867 per month in median rent. Homeownership is strong here — 86.5% of occupied units are owner-occupied, suggesting an established, stable residential community.

The population of 57312 is primarily White (73.99%). Residents are less-educated — 23.2% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 17.1%. Household income has grown by 25% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 84%.

Overall, ZIP code 57312 in Alpena, SD is characterized as middle-income, less-educated, a middle-aged community, and predominantly owner-occupied.