Residential delivery area · South Dakota
ZIP Code 57039: Lennox, SD
ZIP code 57039 uses the postal name Lennox, South Dakota and lies mostly in Lincoln County (92% of its land) with the rest in Turner County (Census 2020 ZIP-county file). About 3,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,787 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Lennox; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lennox · its only residential ZIP
- County
- Lincoln County (92%); Turner County (8%)
- Census places
- Lennox
- Metro area
- Sioux Falls, SD-MN
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 91.9 sq mi · 39 people per sq mi
Where is ZIP code 57039?
57039 centers on 43.338°, -96.875° and covers 91.9 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 57077, 57021, 57015, 57064, 57032, 57014, 57004.
The map draws ZIP code areas only. For the streets inside 57039, 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 57039 compare with the rest of Lincoln County?
| Measure | 57039 | In Lincoln County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 3,622 | 7th of 12 | 43rd of 375 |
| Median household income | $84k | 6th of 10 | 36th of 107 |
| Median home value | $290k | 4th of 10 | 26th of 109 |
Its median household income is higher than in 67% of U.S. residential ZIP codes, and it is denser than 38% 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 57039?
The 2020 Census counted 3,717 people in 57039; the ACS, which samples households over 2020-2024, estimates 3,622. Between the 2010 and 2020 censuses its population grew 13.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,622
- 2020 Census count
- 3,717+13.8% since 2010 (3,265)
- Households
- 1,421
- Median age
- 40.9
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 57039?
Of the 3,622 people the ACS estimates in 57039, 23.2% are under 18 and 19.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.0%).
- Under 1823.2%
- 18 to 6457.3%
- 65 and older19.6%
- White, not Hispanic90.0%
- Other or two or more5.5%
- Hispanic or Latino3.6%
- Black, not Hispanic0.8%
- 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 57039 earn?
Median household income is $83,787 (ACS 2020-2024), the 6th highest of the 10 ranked ZIP codes in Lincoln County. It is not measurably different from 2015-2019 ($73,187 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $83,787±$12,701
- Income per person
- $42,197
- Below the poverty line
- 7.4%
- Unemployed (of the labor force)
- 1.2%
- Adults 25+ with a bachelor's degree
- 24.1%
- Adjusted gross income per tax return, 2022
- $84,4481,840 returns; wages 69% 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 57039?
FHFA's house price index for 57039, built from repeat sales and appraisals of the same homes, rose 102% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved +2.5% in 2025.
- Median home value (owners' estimate)
- $290,400
- Median gross rent
- $745
- Homes owned by their occupants
- 81.4%
- Housing units
- 1,470
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 57039?
107 business establishments had a location in this ZIP code in 2023, 14 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction26
- Retail trade15
- Other services (except public administration)13
- Manufacturing8
- Health care and social assistance8
- Transportation and warehousing7
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 57039?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57077 | Worthing | 1,417 | $88k | 6.5 mi |
| 57021 | Davis | 319 | $77k | 6.9 mi |
| 57015 | Chancellor | 802 | $110k | 7.8 mi |
| 57064 | Tea | 8,032 | $119k | 8.1 mi |
| 57032 | Harrisburg | 10,467 | $112k | 11.5 mi |
| 57014 | Centerville | 1,667 | $77k | 16.1 mi |
| 57004 | Beresford | 3,834 | $89k | 18.6 mi |
| 57106 | Sioux Falls | 51,907 | $78k | 12.0 mi (near) |
| 57108 | Sioux Falls | 33,966 | $98k | 12.9 mi (near) |
| 57013 | Canton | 4,504 | $77k | 13.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.