Timber Lake ZIP code, South Dakota
The ZIP code for Timber Lake, SD is 57656, and its area code is 605.
- USPS city name
- 1 ZIP code
- Population
- 779
- Area code
- 605
- County
- Dewey County
- State
- South Dakota
Timber Lake in numbers
About 779 people live in Timber Lake, in 266 households. The median household income is $60,694 a year, 19% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $81,400 (68% below the South Dakota median), and median gross rent is $546 a month. The median age is 23.8; 22.9% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 30 minutes.
| Population | 779 |
|---|---|
| Households | 266 |
| Median age | 23.8 |
| Median household income | $60,694 |
| Median home value | $81,400 |
| Median gross rent | $546 |
| Bachelor's degree or higher | 22.9% |
| Mean commute | 30.4 min |
| Population density | 1,275 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Timber Lake city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Timber Lake
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57656 | Timber Lake , SD | Standard | 1,000 | $66,094 | $86,300 |
Map of Timber Lake ZIP codes
The ZIP codes of Timber Lake, SD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Timber Lake
The nearest larger towns are North Eagle Butte (1,481 people, 29 mi), Eagle Butte (1,458 people, 31 mi) and Mobridge (2,932 people, 32 mi).
More nearby: every ZIP code in Dewey County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Timber Lake, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/timber-lake
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