How many ZIP codes are in Fort Thompson, SD?

Fort Thompson, SD has 1 ZIP code with a combined population of 1,525, based on Census ACS 2023 data.

What is the median household income in Fort Thompson?

The average median household income across Fort Thompson, SD ZIP codes is $46,136. The poverty rate is 36.3%.

What is the cost of living in Fort Thompson?

The average median home value in Fort Thompson, SD is $121,700. Median rent is $605/month. 43.5% of homes are owner-occupied.

Fort Thompson, SD

Single-footprint Census roll-up for Fort Thompson, SD: 1 USPS ZIP, population 1,525. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

Compiled by PlainZIP · August 25, 2026

U.S. Census Bureau, 2023 ACS 5-Year Estimates SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet FORT-THOMPSON-SD · Fort Thompson, SD 1 ZIPs · 1,525 pop · #22839/25278 · Buffalo County

INC-MID · RANK-BOTTOM · GAP-SOLO · BOOK-ONE · OWN-LOW · POP-VILLAGE · SPREAD-UNK · HOME-LOW

INC-MID $46,136
RANK-BOTTOM #22839/25278
GAP-SOLO Solo county
BOOK-ONE 1 ZIP
OWN-LOW 44% owners
POP-VILLAGE 1,525
SPREAD-UNK Single-ZIP book
HOME-LOW $121,700

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

National city placement

According to ACS 5-Year Estimates, Fort Thompson, SD sits among US cities with one of the lowest household incomes among US cities, on a village-scale population base, across a single-ZIP footprint.

10th pct
household income vs 25,278 US cities: 1,525
city population (Census): 1
USPS ZIP codes covered: $46,136
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($46,136 average) · poverty 36.3%. The primary code (57339) carries the ACS household fields that matter.

Owner-occupancy is comparatively low (43.5%) for this income tier, rent $605 may matter more than the home-value average.

Within South Dakota, Hecla is the closest lower-income city and Saint Lawrence the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Fort Thompson.

Population concentration

Fort Thompson's single ZIP 57339 carries the town

Fort Thompson is published as a single USPS ZIP. Code 57339 is the entire residential footprint (1,525 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP Fort Thompson

Citywide ZBP: 9 establishments, 129 employees , annual payroll $3,838k (~6 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 57339 (9 units) ; leading NAICS Retail trade (3) · also Health care and social assistance .

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ZIP Codes in Fort Thompson, SD

These ZIP codes sit in Buffalo County, which covers 2 ZIP codes in all; 1 of them fall in Fort Thompson. See the Buffalo County roll-up →

ZIP Code	Population	Median income	Establishments	Density
57339	1,525	$46,136	9	5

How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Fort Thompson roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Fort Thompson, .