Residential delivery area · South Dakota
ZIP Code 57368: Plankinton, SD
ZIP code 57368 uses the postal name Plankinton, South Dakota and lies entirely in Aurora County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,688 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Plankinton; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Plankinton · its only residential ZIP
- County
- Aurora County
- Census places
- Plankinton
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 232.2 sq mi · 5 people per sq mi
Where is ZIP code 57368?
57368 centers on 43.750°, -98.472° and covers 232.2 square miles of land plus 0.4 of water. It borders 6 ZIP codes: 57363, 57383, 57375, 57359, 57385, 57382.
The map draws ZIP code areas only. For the streets inside 57368, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 57368 compare with the rest of Aurora County?
| Measure | 57368 | In Aurora County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,068 | 4th of 8 | 135th of 375 |
| Median household income | $75k | 2nd of 3 | 59th of 107 |
| Median home value | $203k | not ranked | not ranked |
57368's median home value is not ranked: its 90% margin of error (±$68,844) is more than a quarter of the figure ($202,700). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 54% of U.S. residential ZIP codes, and it is denser than 10% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 57368?
The 2020 Census counted 1,270 people in 57368; the ACS, which samples households over 2020-2024, estimates 1,068. Between the 2010 and 2020 censuses its population grew 3.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,068±135 (90% margin)
- 2020 Census count
- 1,270+3.6% since 2010 (1,226)
- Households
- 418
- Median age
- 39.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 57368?
Of the 1,068 people the ACS estimates in 57368, 27.4% are under 18 and 13.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.2%), then Hispanic or Latino (13.3%).
- Under 1827.4%
- 18 to 6459.5%
- 65 and older13.1%
- White, not Hispanic80.2%
- Hispanic or Latino13.3%
- Other or two or more5.2%
- Black, not Hispanic0.9%
- Asian, not Hispanic0.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 57368 earn?
Median household income is $74,688 (ACS 2020-2024), the 2nd highest of the 3 ranked ZIP codes in Aurora County. It is not measurably different from 2015-2019 ($84,473 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $74,688
- Income per person
- $44,656
- Below the poverty line
- 12.4%
- Unemployed (of the labor force)
- 1.0%
- Adults 25+ with a bachelor's degree
- 27.7%
- Adjusted gross income per tax return, 2022
- $63,633570 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 57368?
- Median home value (owners' estimate)
- $202,700
- Median gross rent
- $940
- Homes owned by their occupants
- 68.7%
- Housing units
- 489
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 57368?
38 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance8
- Retail trade6
- Accommodation and food services5
- Agriculture, forestry, fishing and hunting4
- Construction3
- Professional, scientific, and technical services3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 57368?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57363 | Mount Vernon | 866 | $78k | 11.8 mi |
| 57383 | White Lake | 899 | $63k | 12.2 mi |
| 57375 | Stickney | 573 | $70k | 13.3 mi |
| 57359 | Letcher | 652 | $107k | 19.0 mi |
| 57385 | Woonsocket | 1,408 | $70k | 22.2 mi |
| 57382 | Wessington Springs | 1,180 | $79k | 23.5 mi |
| 57328 | Corsica | 1,290 | $87k | 21.6 mi (near) |
| 57301 | Mitchell | 19,104 | $66k | 21.7 mi (near) |
| 57344 | Harrison | 39 | – | 22.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.