Plankinton, SD · standard
ZIP Code 57368
Aurora County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,226
- 2/sq mi Low-density area
- $74,688
- Median income Near-median income area
- $202,700
- Median home value Near-median home value
- 27.7%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Plankinton pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 46%
- household income, US ZIPs
- 44th pct
- home value, US ZIPs
- 2
- people per sq mi
- 69%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57368 against every reporting US ZIP.
ZIP code 57368 is a sparsely populated ZIP (a standard USPS delivery area) in Plankinton, Aurora County, South Dakota, home to just 1,226 residents across 613.0 square miles, a density of 2 people per square mile, in the Chicago time zone.
ZIP 57368 lands in the middle-income range, with a median household income of $74,688 (2% below the average South Dakota ZIP), while per-capita income is $44,656. The poverty rate is 12.4%, with unemployment at 1.0%; those measures add context to the income figure. Median home value is $202,700 (6% above the average South Dakota ZIP) and median rent is $940; 68.7% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 27.7% of adults hold a bachelor's degree or higher, the median age is 39.8, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the South Dakota and national benchmarks above are the appropriate context for 57368.
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 →
Top industries in ZIP 57368
Top 5 sectors by establishment count in Plankinton, SD
Which industries have the most business establishments in ZIP 57368.
- Health care and social assistance
Health care and social assistance
8 establishments
- Retail trade
Retail trade
6 establishments
- Accommodation and food services
Accommodation and food services
5 establishments
- Agriculture, forestry, fishing and hunting
Agriculture, forestry, fishing and hunting
4 establishments
- Construction 3
Construction
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 57368, Plankinton, 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
1,226
Population
613.0
Area (sq mi)
2
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57368?
39.8
Median Age
53.6%
Male
46.4%
Female
8.7%
Foreign-Born
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?
$74,688
Median Household Income
-2% vs state ZIP avg
$44,656
Per Capita Income
12.4%
Poverty Rate
1.0%
Unemployment Rate
How ZIP 57368 ranks among South Dakota ZIPs
Plankinton, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$74,688 49th percentile higher than 49% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
489housing units
489
Total Housing Units
418
Occupied Units
71
Vacant Units
2.47
Avg Household Size
Occupancy Type
$202,700
Median Home Value
+6% vs state ZIP avg
$940
Median Rent
1976
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 38 business establishments in ZIP 57368, employing approximately 335 people with a combined annual payroll of $13,171,000.
38
Businesses
335
Employees
$13.2M
Annual Payroll
6
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 8 | 21.1% |
| Retail trade | 6 | 15.8% |
| Accommodation and food services | 5 | 13.2% |
| Agriculture, forestry, fishing and hunting | 4 | 10.5% |
| Construction | 3 | 7.9% |
| Professional, scientific, and technical services | 3 | 7.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57368, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,226 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Aurora County
Related Areas
Frequently Asked Questions
What county is ZIP code 57368 in?
ZIP code 57368 (Plankinton) is located in Aurora County, South Dakota. Aurora County contains multiple ZIP codes, see the full list at /counties/aurora-sd.
What is the population of ZIP code 57368?
ZIP code 57368 in Plankinton, SD has a population of 1,226 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57368?
The median household income in ZIP 57368 is $74,688, which is 2% below the national average of $76,288.
What is the average home value in ZIP 57368?
The median home value in ZIP 57368 is $202,700, which is 27% below the national average of $278,155.
What is the demographic makeup of ZIP 57368?
The largest racial group in ZIP 57368 is White at 80.2%. Hispanic or Latino residents make up 13.3% of the population.
How many businesses are in ZIP code 57368?
ZIP code 57368 has 38 business establishments employing approximately 335 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57368?
The top industries by establishment count in ZIP 57368 are: Health care and social assistance (8), Retail trade (6), Accommodation and food services (5). There are 6 industry sectors represented in total.
What is the education level in ZIP code 57368?
In ZIP code 57368, 54.1% of residents aged 25+ have a high school diploma or higher, and 27.7% 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 57368?
In ZIP code 57368, approximately 68.7% of occupied housing units are owner-occupied and 31.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57368?
The poverty rate in ZIP code 57368 is 12.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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What to do with ZIP 57368's numbers, next.
- See how ZIP 57368 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Plankinton, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.