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zipcodes.pro — CITY/SD/TIMBER-LAKE

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

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.

Population779Timber Lake779
Households266Timber Lake266
Median age23.8Timber Lake23.8South Dakota38.0US 38.9
Median household income$60,694Timber Lake$60,694South Dakota$75,081US $80,734
Median home value$81,400Timber Lake$81,400South Dakota$257,400US $332,700
Median gross rent$546Timber Lake$546South Dakota$946US $1,413
Bachelor's degree or higher22.9%Timber Lake22.9%South Dakota31.9%US 35.7%
Mean commute30.4 minTimber Lake30.4 minSouth Dakota17.8 minUS 26.4 min
Population density1,275 / sq miTimber Lake1,275 / 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 codes with the USPS city name 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

Underlying data is public domain or openly licensed — sources, vintages and licences.