Skip to content

Fort Thompson, SD ZIP code

The ZIP code for Fort Thompson (also written Ft. Thompson), South Dakota is 57339. It is in Buffalo County.

Population in these ZIPs
1,390
Avg. median income
$46,100population-weighted
Typical home value
$121,700population-weighted
Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Fort Thompson, SD ZIP code list

Fort Thompson, SD ZIP codes
ZIP codePopulationMedian incomeTypical home value
573391,390$46,136$121,700

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Fort Thompson

Frequently asked questions

What is the ZIP code for Fort Thompson, SD?

The ZIP code for Fort Thompson, SD is 57339.

What county is Fort Thompson, South Dakota in?

Fort Thompson ZIP codes are in Buffalo County.