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zipcodes.pro — CITY/SD/FORT-THOMPSON

Fort Thompson ZIP code, South Dakota

The ZIP code for Fort Thompson, SD is 57339, and its area code is 605.

USPS city name
1 ZIP code
Population
1,147
Area code
605

Fort Thompson in numbers

About 1,147 people live in Fort Thompson, in 337 households. The median household income is $47,159 a year, 37% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $150,000 (42% below the South Dakota median), and median gross rent is $563 a month. The median age is 22.8; 7.2% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 11 minutes.

Population1,147Fort Thompson1,147
Households337Fort Thompson337
Median age22.8Fort Thompson22.8South Dakota38.0US 38.9
Median household income$47,159Fort Thompson$47,159South Dakota$75,081US $80,734
Median home value$150,000Fort Thompson$150,000South Dakota$257,400US $332,700
Median gross rent$563Fort Thompson$563South Dakota$946US $1,413
Bachelor's degree or higher7.2%Fort Thompson7.2%South Dakota31.9%US 35.7%
Mean commute11.0 minFort Thompson11.0 minSouth Dakota17.8 minUS 26.4 min
Population density111 / sq miFort Thompson111 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Fort Thompson CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Fort Thompson

ZIP codes with the USPS city name Fort Thompson
ZIP City Type Population Median income Median home
57339 Fort Thompson , SD Standard 1,390 $46,136 $121,700

Map of Fort Thompson ZIP codes

57339

The ZIP codes of Fort Thompson, 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 Fort Thompson

The nearest larger towns are Chamberlain (2,588 people, 18 mi), Miller (1,363 people, 38 mi) and Pierre (13,948 people, 50 mi).

Towns near Fort Thompson
TownPopulationDistance
Chamberlain 2,588 18.1 mi

More nearby: every ZIP code in Buffalo County · South Dakota ZIP codes

Cite this page

zipcodes.pro. “Fort Thompson, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/fort-thompson

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