ZIP codes
2
Buffalo County, SD Demographics & ZIP Codes
Buffalo County, South Dakota demographics and median household income by ZIP code — 2 ZIP codes — population 1,464 — avg. income $71,990 — avg. home value $157,700. Compare income, housing, and ZIP-level data on US5.
Population
1,464
Median household income (avg.)
$71,990
96% of U.S. median
Average home value
$157,700
45% of U.S. median
Average rent
$395
34% of U.S. median
Buffalo County demographics
Buffalo County, South Dakota covers 2 ZIP codes, with a combined ZIP-area population of about 1,464.
Median household income in Buffalo County
The average median household income across ZIP codes in Buffalo County, South Dakota is about $71,990 — about even with the SD ZIP average ($72,498), and about 4% below the U.S. median ($75,149).
Among ZIPs with income data, 57341 (Gann Valley) is near the top at about $101,563, while 57339 (Fort Thompson) is near the bottom at about $42,417.
Housing in Buffalo County
For housing in Buffalo County, South Dakota, the average median home value is about $157,700 and the average median rent is about $395.
The most populous ZIP is 57339 (Fort Thompson) with about 1,310 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Buffalo County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57339 | Fort Thompson | Buffalo County | SD | 1,310 | $42,417 | $101,100 |
| 57341 | Gann Valley | Buffalo County | SD | 154 | $101,563 | $214,300 |
Frequently asked questions
What are the demographics of Buffalo County?
Buffalo County, South Dakota has a combined ZIP-area population of about 1,464 across 2 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Buffalo County?
The average median household income across ZIP codes in Buffalo County, South Dakota is about $71,990, roughly in line with the state ZIP average ($72,498), and about 4% below the U.S. median ($75,149). Average median home value is about $157,700. Among ZIPs with data, 57341 (Gann Valley) is near the top ($101,563) and 57339 (Fort Thompson) is near the bottom ($42,417).
How many ZIP codes are in Buffalo County?
Buffalo County, South Dakota includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Buffalo County?
This page lists ZIP codes in Buffalo County, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.