Residential delivery area · South Dakota
ZIP Code 57001: Alcester, SD
ZIP code 57001 uses the postal name Alcester, South Dakota and lies mostly in Union County (93% of its land) with the rest in Lincoln County (Census 2020 ZIP-county file). About 1,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $69,531 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Alcester; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Alcester · its only residential ZIP
- County
- Union County (93%); Lincoln County (7%)
- Census places
- Alcester
- Metro area
- Sioux City, IA-NE-SD
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 99.3 sq mi · 16 people per sq mi
Where is ZIP code 57001?
57001 centers on 43.004°, -96.657° and covers 99.3 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 57004, 51023, 57034, 51001.
The map draws ZIP code areas only. For the streets inside 57001, 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 57001 compare with the rest of Union County?
| Measure | 57001 | In Union County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,540 | 7th of 9 | 94th of 375 |
| Median household income | $70k | 6th of 6 | 74th of 107 |
| Median home value | $177k | 6th of 7 | 82nd of 109 |
Its median household income is higher than in 46% of U.S. residential ZIP codes, and it is denser than 22% 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 57001?
The 2020 Census counted 1,504 people in 57001; the ACS, which samples households over 2020-2024, estimates 1,540. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,540±221 (90% margin)
- 2020 Census count
- 1,504
- Households
- 633
- Median age
- 44.3
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 57001?
Of the 1,540 people the ACS estimates in 57001, 24.2% are under 18 and 27.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.2%).
- Under 1824.2%
- 18 to 6448.7%
- 65 and older27.1%
- White, not Hispanic88.2%
- Other or two or more9.0%
- Asian, not Hispanic1.9%
- Hispanic or Latino0.9%
- Black, 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 57001 earn?
Median household income is $69,531 (ACS 2020-2024), the 6th highest of the 6 ranked ZIP codes in Union County.
- Median household income
- $69,531±$15,983
- Income per person
- $34,498
- Below the poverty line
- 8.2%
- Unemployed (of the labor force)
- 1.1%
- Adults 25+ with a bachelor's degree
- 24.4%
- Adjusted gross income per tax return, 2022
- $71,244710 returns; wages 62% 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 57001?
- Median home value (owners' estimate)
- $177,400
- Median gross rent
- $839
- Homes owned by their occupants
- 75.0%
- Housing units
- 661
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 57001?
45 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)9
- Health care and social assistance7
- Transportation and warehousing6
- Retail trade5
- Wholesale trade3
- 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 57001?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57004 | Beresford | 3,834 | $89k | 8.4 mi |
| 51023 | Hawarden, IA | 3,473 | $80k | 9.8 mi |
| 57034 | Hudson | 661 | $90k | 10.0 mi |
| 51001 | Akron, IA | 2,342 | $75k | 12.6 mi |
| 51011 | Chatsworth, IA | 54 | $44k | 9.5 mi (near) |
| 57027 | Fairview | 199 | – | 14.7 mi (near) |
| 57010 | Burbank | 755 | $94k | 15.5 mi (near) |
| 57014 | Centerville | 1,667 | $77k | 16.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.