Residential delivery area · South Dakota
ZIP Code 57075: Wentworth, SD
ZIP code 57075 uses the postal name Wentworth, South Dakota and lies mostly in Lake County (98% of its land) with the rest in Moody County (Census 2020 ZIP-county file). About 1,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $106,763 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lake Madison (5%) and Wentworth (under 1%); 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Wentworth · its only residential ZIP
- County
- Lake County (98%); Moody County (2%)
- Census places
- Lake Madison (5%) census-designated place; Wentworth (under 1%)
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 79.9 sq mi · 16 people per sq mi
Where is ZIP code 57075?
57075 centers on 43.996°, -96.967° and covers 79.9 square miles of land plus 6.0 of water. It borders 4 ZIP codes: 57057, 57017, 57016, 57042.
The map draws ZIP code areas only. For the streets inside 57075, 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 57075 compare with the rest of Lake County?
| Measure | 57075 | In Lake County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,296 | 6th of 12 | 110th of 375 |
| Median household income | $107k | 1st of 6 | 6th of 107 |
| Median home value | $427k | 1st of 6 | 3rd of 109 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 23% 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 57075?
The 2020 Census counted 1,168 people in 57075; the ACS, which samples households over 2020-2024, estimates 1,296. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,296±193 (90% margin)
- 2020 Census count
- 1,168
- Households
- 623
- Median age
- 56.8
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 57075?
Of the 1,296 people the ACS estimates in 57075, 17.6% are under 18 and 29.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.6%).
- Under 1817.6%
- 18 to 6452.9%
- 65 and older29.6%
- White, not Hispanic91.6%
- Other or two or more7.7%
- Hispanic or Latino0.7%
- 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 57075 earn?
Median household income is $106,763 (ACS 2020-2024), the highest of the 6 ranked ZIP codes in Lake County.
- Median household income
- $106,763±$11,660
- Income per person
- $87,738
- Below the poverty line
- 5.4%
- Unemployed (of the labor force)
- 0.9%
- Adults 25+ with a bachelor's degree
- 36.3%
- Adjusted gross income per tax return, 2022
- $134,265630 returns; wages 48% 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 57075?
- Median home value (owners' estimate)
- $426,800
- Median gross rent
- $733
- Homes owned by their occupants
- 90.5%
- Housing units
- 1,016
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 57075?
28 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction4
- Transportation and warehousing4
- Professional, scientific, and technical services4
- Accommodation and food services3
- Other services (except public administration)3
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 57075?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57057 | Rutland | 196 | $72k | 7.3 mi |
| 57017 | Colman | 1,628 | $96k | 7.8 mi |
| 57016 | Chester | 676 | $96k | 8.2 mi |
| 57042 | Madison | 7,756 | $72k | 9.0 mi |
| 57050 | Nunda | 176 | $117k | 11.4 mi (near) |
| 57018 | Colton | 1,495 | $98k | 13.7 mi (near) |
| 57024 | Egan | 480 | $98k | 14.2 mi (near) |
| 57022 | Dell Rapids | 5,339 | $101k | 15.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.