City

Erwin, SD

1 ZIP code  ·  Kingsbury County  ·  South Dakota

👥240Population
💰$89,375Median HH Income▲ 17% above avg
🎂19.7Median Age
🏠$280,000Median Home Value≈ Avg
🎓19.6%College Grads▼ 49% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 67.9% Female 32.1% ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

Under 5
7%
5–17
38%
18–24
17%
25–44
19%
45–64
10%
65+
6%

Key Indicators

Median Age19.7 yrs
Avg HH Size4.90
Below Poverty1.3% ▼ 88% below avg
College Grads19.6% ▼ 49% below avg
HS Graduate50 (54.3%)
Some College12 (13%)
Associates12 (13%)
Bachelors7 (7.6%)
Graduate Degree11 (12%)

Education

HS Grad: 54.3%Some College: 13%Associates: 13%Bachelors: 7.6%Graduate: 12%Edu
HS Grad54.3%
Some College13.0%
Associates13.0%
Bachelors7.6%
Graduate12.0%
Housing & Income

Housing Tenure

Owner: 81.6%Renter: 18.4%Tenure
Owner81.6%
Renter18.4%

Home Value Distribution

Under $50k
25%
$50k–$100k
13%
$150k–$200k
5%
$200k–$300k
13%
$300k–$500k
43%
Over $500k
3%

Financials

Median HH Income$89,375 ▲ 17% above avg
Median Home Value$280,000 ≈ Avg
Home/Income Ratio3.1x (nat avg ~3.5x)
Total Housing Units66
Vacant Units17

Income Distribution

Under $25k
9%
$25k–$50k
6%
$50k–$75k
23%
$75k–$100k
17%
$100k–$150k
11%
$150k–$200k
4%
Over $200k
30%
Employment & Commute

How People Get to Work

Drove Alone
88%
Work From Home
12%

Commute Time

Under 15 min
48%
15–30 min
40%
Over 45 min
12%
Housing Stock

Year Built

1940s–1950s
7%
1960s–1970s
7%
1980s–1990s
5%
2000+
80%
About Erwin, SD

Erwin is a city in South Dakota, located in Kingsbury County. The city spans 1 ZIP code and is home to approximately 240 residents. It is a young city, with a median age of 19.7 years.

Economically, Erwin is a middle-income community. The median household income of $89,375 is above the national average. Approximately 1.3% of residents live below the poverty line.

The real estate market in Erwin is a mid-range housing market. Median home values stand at $280,000, which is near the national average. Homeownership is high at 81.6%, typical of suburban and family-oriented communities.

The population of Erwin is less-educated. 19.6% of adults hold a bachelor's degree or higher — below the national average. The community is primarily White (100%).

Erwin, SD offers residents above-average earning potential within South Dakota.

ZIP Codes in Erwin
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
57233 240 $89,375 $280,000 0.0% 19.6% 81.6%