Residential delivery area · South Dakota
ZIP Code 57420: Akaska, SD
ZIP code 57420 uses the postal name Akaska, South Dakota and lies entirely in Walworth County (Census 2020 ZIP-county file). About 260 people live there (Census Bureau, ACS 2020-2024). Median household income is $40,469 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Akaska; 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Akaska · its only residential ZIP
- County
- Walworth County
- Census places
- Akaska
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 44.3 sq mi · 6 people per sq mi
Where is ZIP code 57420?
57420 centers on 45.282°, -100.143° and covers 44.3 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 57472, 57442, 57450.
The map draws ZIP code areas only. For the streets inside 57420, 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 57420 compare with the rest of Walworth County?
| Measure | 57420 | In Walworth County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 260 | 6th of 7 | 277th of 375 |
| Median household income | $41k | not ranked | not ranked |
| Median home value | $79k | not ranked | not ranked |
57420's income and home value are not ranked: it has fewer than 1,000 residents (260). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 12% of 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 57420?
The 2020 Census counted 111 people in 57420; the ACS, which samples households over 2020-2024, estimates 260. Between the 2010 and 2020 censuses its population grew 48.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 260±105 (90% margin)
- 2020 Census count
- 111+48.0% since 2010 (75)
- Households
- 107
- Median age
- 21.6
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 57420?
Of the 260 people the ACS estimates in 57420, 37.3% are under 18 and 21.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.8%).
- Under 1837.3%
- 18 to 6441.5%
- 65 and older21.2%
- White, not Hispanic98.8%
- Other or two or more1.2%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 57420 earn?
Median household income is $40,469 (ACS 2020-2024). It is not measurably different from 2015-2019 ($65,951 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $40,469±$34,140
- Income per person
- $16,487
- Below the poverty line
- 45.0%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 36.9%
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 57420?
- Median home value (owners' estimate)
- $79,000
- Median gross rent
- –
- Homes owned by their occupants
- 65.4%
- Housing units
- 193
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 57420?
3 business establishments had a location in this ZIP code in 2023, the same count as in 2018 (ZIP Code Business Patterns).
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 57420?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57472 | Selby | 1,165 | $62k | 10.2 mi |
| 57442 | Gettysburg | 1,772 | $66k | 15.2 mi |
| 57450 | Hoven | 624 | $87k | 16.1 mi |
| 57601 | Mobridge | 3,422 | $66k | 11.5 mi (near) |
| 57452 | Java | 136 | $54k | 21.8 mi (near) |
| 57631 | Glenham | 364 | $57k | 22.5 mi (near) |
| 57428 | Bowdle | 567 | $64k | 25.4 mi (near) |
| 57475 | Tolstoy | 99 | $88k | 25.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.