County

Buffalo County, SD

2 ZIP codes  ·  2 cities  ·  South Dakota

👥1,464Population
💰$48,639Median HH Income▼ 36% below avg
🎂25.5Median Age
🏠$113,008Median Home Value▼ 59% below avg
🎓17.8%College Grads▼ 54% below avg
📊9.9%Unemployment▲ 103% above avg
People & Population (ACS 2023 — weighted avg)
♂ Male 54.2% Female 45.8% ♀

Race & Ethnicity

White: 18.9%Hispanic: 3.1%Other: 1.5%Race
White18.9%
Hispanic3.1%
Other1.5%

Age Breakdown

Under 5
13%
5–17
24%
18–24
10%
25–44
25%
45–64
20%
65+
2%

Key Indicators

Median Age25.5 yrs
Avg HH Size3.65
Below Poverty34.8% ▲ 248% above avg
College Grads17.8% ▼ 54% below avg
Unemployment9.9% ▲ 103% above avg
No HS Diploma2 (0.3%)
HS Graduate327 (50.9%)
Some College118 (18.4%)
Associates84 (13.1%)
Bachelors73 (11.4%)
Graduate Degree38 (5.9%)

Education

No HS: 0.3%HS Grad: 50.9%Some College: 18.4%Associates: 13.1%Bachelors: 11.4%Graduate: 5.9%Edu
No HS0.3%
HS Grad50.9%
Some College18.4%
Associates13.1%
Bachelors11.4%
Graduate5.9%
Housing & Income

Housing Tenure

Owner: 49.6%Renter: 50.4%Tenure
Owner49.6%
Renter50.4%

Home Value Distribution

Under $50k
32%
$50k–$100k
13%
$100k–$150k
15%
$150k–$200k
28%
$200k–$300k
11%
Over $500k
3%

Financials

Median HH Income$48,639 ▼ 36% below avg
Median Home Value$113,007 ▼ 59% below avg
Home/Income Ratio2.3x (nat avg ~3.5x)
Median Rent$535/mo
Total Housing Units468
Vacant Units67

Income Distribution

Under $25k
38%
$25k–$50k
13%
$50k–$75k
21%
$75k–$100k
11%
$100k–$150k
13%
$150k–$200k
1%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
82%
Walked
6%
Work From Home
11%

Commute Time

Under 15 min
60%
15–30 min
25%
30–45 min
12%
Over 45 min
3%
Housing Stock

Year Built

1940s–1950s
13%
1960s–1970s
20%
1980s–1990s
10%
2000+
56%
About Buffalo County, SD

Buffalo County is located in South Dakota and encompasses 2 ZIP codes spanning 2 cities and communities. The county has an estimated population of 1,464 residents. With a median age of 25.53, it is a young county.

Buffalo County has a working-class economic profile. The median household income of $48,638 is below the national average. Unemployment stands at 9.9%, more than double the national average. The poverty rate of 34.8% is significantly above the national average, indicating economic challenges.

Housing in Buffalo County is one of the more affordable housing markets in the country, with a median home value of $113,007 — well below the national average. Monthly median rent is approximately $535.

The residents of Buffalo County are racially diverse, with White as the largest group at 18.9%. Educational attainment is less-educated — 17.8% of adults hold a bachelor's degree or higher, well below the national average.

Buffalo County, SD is a working-class area in South Dakota. The 2 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Buffalo County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
57339 Fort Thompson 1,310 $42,417 $101,100 $535 11.1% 13.6%
57341 Gann Valley 154 $101,563 $214,300 — 0.0% 53.3%

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