Residential delivery area · South Dakota
ZIP Code 57656: Timber Lake, SD
ZIP code 57656 uses the postal name Timber Lake, South Dakota and lies mostly in Dewey County (64% of its land) with the rest in Corson County (Census 2020 ZIP-county file). About 1,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $66,094 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Timber Lake; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Timber Lake · its only residential ZIP
- County
- Dewey County (64%); Corson County (36%)
- Census places
- Timber Lake
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Mountain
- Land area
- 389.4 sq mi · 3 people per sq mi
Where is ZIP code 57656?
57656 centers on 45.423°, -101.107° and covers 389.4 square miles of land plus 1.9 of water. It borders 7 ZIP codes: 57661, 57630, 57657, 57633, 57625, 57642, 57641.
The map draws ZIP code areas only. For the streets inside 57656, 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 57656 compare with the rest of Dewey County?
| Measure | 57656 | In Dewey County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,000 | 4th of 10 | 140th of 375 |
| Median household income | $66k | 1st of 4 | 83rd of 107 |
| Median home value | $86k | 2nd of 2 | 105th of 109 |
Its median household income is higher than in 40% of U.S. residential ZIP codes, and it is denser than 7% 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 57656?
The 2020 Census counted 766 people in 57656; the ACS, which samples households over 2020-2024, estimates 1,000. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,000±172 (90% margin)
- 2020 Census count
- 766
- Households
- 371
- Median age
- 28.1
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 57656?
Of the 1,000 people the ACS estimates in 57656, 37.9% are under 18 and 11.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (52.5%), then Other or two or more (45.4%).
- Under 1837.9%
- 18 to 6450.5%
- 65 and older11.6%
- White, not Hispanic52.5%
- Other or two or more45.4%
- Hispanic or Latino1.2%
- Black, not Hispanic0.6%
- 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 57656 earn?
Median household income is $66,094 (ACS 2020-2024), the highest of the 4 ranked ZIP codes in Dewey County.
- Median household income
- $66,094±$6,698
- Income per person
- $30,983
- Below the poverty line
- 13.2%
- Unemployed (of the labor force)
- 4.7%
- Adults 25+ with a bachelor's degree
- 23.8%
- Adjusted gross income per tax return, 2022
- $97,481360 returns; wages 45% 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 57656?
- Median home value (owners' estimate)
- $86,300
- Median gross rent
- $546
- Homes owned by their occupants
- 71.4%
- Housing units
- 416
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 57656?
31 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction7
- Retail trade5
- Other services (except public administration)5
- Health care and social assistance4
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 57656?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57661 | Whitehorse | 177 | $55k | 12.5 mi |
| 57630 | Glencross | 11 | – | 14.2 mi |
| 57657 | Trail City | 247 | – | 16.6 mi |
| 57633 | Isabel | 445 | $79k | 20.7 mi |
| 57625 | Eagle Butte | 3,775 | $43k | 30.9 mi |
| 57642 | McLaughlin | 1,969 | $59k | 31.7 mi |
| 57641 | McIntosh | 215 | $84k | 34.1 mi |
| 57639 | Little Eagle | 290 | $21k | 22.9 mi (near) |
| 57621 | Bullhead | 294 | $33k | 24.2 mi (near) |
| 57652 | Ridgeview | 265 | $19k | 28.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.