What is the population of Fort Thompson?

The population of Fort Thompson, SD is 1,282.

Where is Fort Thompson located?

Fort Thompson, SD is located at latitude 44.0686000 and longitude -99.4378800. It is in United States.

What is the area of Fort Thompson?

The area of Fort Thompson, SD is 32.62676 km².

What is the elevation of Fort Thompson?

Fort Thompson, SD has an elevation of 439 meters (1440 feet) above sea level.

What time zone is Fort Thompson in?

Fort Thompson, SD is in the America/Chicago time zone.

What state is Fort Thompson in?

Fort Thompson is in the state of South Dakota, United States.

What county is Fort Thompson, SD in?

Fort Thompson is in Buffalo County, South Dakota.

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Fort Thompson, South Dakota

Fort Thompson: census-designated place in Buffalo County, South Dakota, United States

About

Fort Thompson is a CDP located in the county of Buffalo in the U.S. state of South Dakota.

Fort Thompson locator map — Location of Fort Thompson on South Dakota map.

Quick Facts about Fort Thompson

Population	1,282
Country	United States of America
State	South Dakota (United States)
County	Buffalo County
Postal code	57339
Phone Area Codes	605
Area	32.63 km²
Latitude & Longitude	44.0686,-99.4379
Altitude	1,440 feet / 439 meters
Establishment	January 01, 1889 (137 years ago)
Time Zone	Central Time Zone
Local time	00:56:19 (31st May 2026)
Weather	84℉ Chance Showers And Thunderstorms 7-days weather

Fort Thompson Mounds image

Geography

Fort Thompson is located at 44°4'7"N 99°26'16"W (44.0686000, -99.4378800).

Fort Thompson map

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Weather

84°F

Chance Showers And Thunderstorms

15 mph SE Sunday

A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms. Partl...

7-Day Forecast

Fort Thompson zip code is 57339. County name: Buffalo, County fips: 46017

People born in Fort Thompson (2)

People born in Fort Thompson, including editor, essayist, poet, novelist, academic Elizabeth Cook-Lynn, politician Michael Jandreau, .

More notable people

Nearby Post Offices

Closest post offices linked to Fort Thompson.

Post Office Name	City	ZIP
Fort Thompson Post Office	Fort Thompson (SD)	57339

Other cities in Buffalo County

Cities, towns, neighborhoods & other populated places in Buffalo County , SD.

City Name	Population	Title
Shelby	97	Township in Brown County, South Dakota

Distance to Other Cities

Fort Thompson distances to largest South Dakota cities