PlainZIP

Alpena, SD · standard

ZIP Code 57312

Jerauld County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

516
2/sq mi
$91,688
Median income
$137,500
Median home value
4.7%
Bachelor's or higher

The verdict

Alpena pairs an upper-quartile household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 25%
household income, US ZIPs
22th pct
home value, US ZIPs
2
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57312 against every reporting US ZIP.

ZIP code 57312 is a sparsely populated ZIP (a standard USPS delivery area) in Alpena, Jerauld County, South Dakota, home to just 516 residents across 271.6 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 57312 lands in the middle-income range, with a median household income of $91,688 (20% above the South Dakota average), while per-capita income is $50,640. Local economic indicators show a 12.1% poverty rate alongside 0.0% unemployment. Housing costs here run $137,500 for a typical home value (28% below the state average), with rent averaging $925 a month; 85.8% of homes are owner-occupied.

Formal educational attainment runs low here: just 4.7% of adults hold a bachelor's degree or higher, the median age is 40.3, and the average commute is -. A geography-based comparison follows: 2 ZIP codes within about 10 miles of 57312, plus 3 more within Jerauld County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57312, Alpena, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

516

Population

271.6

Area (sq mi)

2

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57312?

40.3

Median Age

50.7%

Male

49.3%

Female

8.9%

Foreign-Born

White 85.6%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.5%
Hispanic or Latino 16.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$91,688

Median Household Income

+20% vs state

$50,640

Per Capita Income

12.1%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 57312 ranks nationally

Alpena, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$91,688 Top 25% higher than 75% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 43.3%
Bachelor's Degree or Higher 4.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

224

Total Housing Units

219

Occupied Units

5

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 85.8%
Renter 14.2%

$137,500

Median Home Value

-28% vs state

$925

Median Rent

1955

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 14 business establishments in ZIP 57312, employing approximately 1,111 people with a combined annual payroll of $86,000,000.

14

Businesses

1,111

Employees

$86.0M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Wholesale trade 3 21.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 57312 vs 57358 →

ZIP 57312 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 57312 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 57312 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 57312 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
57358 Lane, SD 34 8.9 mi
57385 Woonsocket, SD 1,221 11.2 mi

More ZIP Codes in Jerauld County

57382 standard
Wessington Springs, SD
Pop: 1,591
57385 standard
Woonsocket, SD
Pop: 1,221
57358 standard
Lane, SD
Pop: 34

Related Areas

Jerauld County Alpena, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57312 in? ▼
ZIP code 57312 (Alpena) is located in Jerauld County, South Dakota. Jerauld County contains multiple ZIP codes, see the full list at /counties/jerauld-sd.
What is the population of ZIP code 57312? ▼
ZIP code 57312 in Alpena, SD has a population of 516 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57312? ▼
The median household income in ZIP 57312 is $91,688, which is 20% above the national average of $76,288.
What is the average home value in ZIP 57312? ▼
The median home value in ZIP 57312 is $137,500, which is 51% below the national average of $278,155.
What is the demographic makeup of ZIP 57312? ▼
The largest racial group in ZIP 57312 is White at 85.6%. Hispanic or Latino residents make up 16.4% of the population.
How many businesses are in ZIP code 57312? ▼
ZIP code 57312 has 14 business establishments employing approximately 1,111 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57312? ▼
In ZIP code 57312, 43.3% of residents aged 25+ have a high school diploma or higher, and 4.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57312? ▼
In ZIP code 57312, approximately 85.8% of occupied housing units are owner-occupied and 14.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57312? ▼
The poverty rate in ZIP code 57312 is 12.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.