County

Day County, SD

7 ZIP codes  ·  7 cities  ·  South Dakota

👥5,473Population
💰$63,678Median HH Income▼ 17% below avg
🎂45.1Median Age
🏠$154,385Median Home Value▼ 45% below avg
🎓40.2%College Grads≈ Avg
📊3.0%Unemployment▼ 39% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.4% Female 49.6% ♀

Race & Ethnicity

White: 83.7%Hispanic: 3.8%Black: 0.2%Asian: 0.5%Other: 3.9%Race
White83.7%
Hispanic3.8%
Black0.2%
Asian0.5%
Other3.9%

Age Breakdown

Under 5
5%
5–17
18%
18–24
6%
25–44
20%
45–64
25%
65+
11%

Key Indicators

Median Age45.1 yrs
Avg HH Size2.30
Below Poverty13.7% ▲ 37% above avg
College Grads40.2% ≈ Avg
Unemployment3.0% ▼ 39% below avg
No HS Diploma9 (0.2%)
HS Graduate1,241 (34.2%)
Some College396 (10.9%)
Associates514 (14.2%)
Bachelors629 (17.4%)
Graduate Degree836 (23.1%)

Education

No HS: 0.2%HS Grad: 34.2%Some College: 10.9%Associates: 14.2%Bachelors: 17.4%Graduate: 23.1%Edu
No HS0.2%
HS Grad34.2%
Some College10.9%
Associates14.2%
Bachelors17.4%
Graduate23.1%
Housing & Income

Housing Tenure

Owner: 75.1%Renter: 24.9%Tenure
Owner75.1%
Renter24.9%

Home Value Distribution

Under $50k
13%
$50k–$100k
22%
$100k–$150k
15%
$150k–$200k
11%
$200k–$300k
20%
$300k–$500k
9%
Over $500k
9%

Financials

Median HH Income$63,678 ▼ 17% below avg
Median Home Value$154,385 ▼ 45% below avg
Home/Income Ratio2.4x (nat avg ~3.5x)
Median Rent$658/mo
Total Housing Units3,384
Vacant Units1,045

Income Distribution

Under $25k
16%
$25k–$50k
20%
$50k–$75k
18%
$75k–$100k
13%
$100k–$150k
18%
$150k–$200k
6%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
83%
Public Transit
0%
Walked
5%
Work From Home
12%

Commute Time

Under 15 min
53%
15–30 min
19%
30–45 min
10%
Over 45 min
18%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
11%
1960s–1970s
12%
1980s–1990s
8%
2000+
65%
About Day County, SD

Day County is located in South Dakota and encompasses 7 ZIP codes spanning 7 cities and communities. The county has an estimated population of 5,473 residents. With a median age of 45.09, it is a mature county.

Day County has a solidly middle-class economic profile. The median household income of $63,678 is below the national average. Unemployment stands at 3.0%, below the national average. The poverty rate of 13.7% is above the national average.

Housing in Day County is an affordable housing market, with a median home value of $154,385 — below the national average. Monthly median rent is approximately $658. Homeownership rates are high at 75.1%, reflecting a largely residential, stable population.

The residents of Day County are primarily White (83.66%). Educational attainment is well-educated — 40.2% of adults hold a bachelor's degree or higher, near the national average.

Day County, SD is a solidly middle-class area in South Dakota. The 7 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 Day County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
57422 Andover 153 $85,909 $95,000 0.0% 39.8%
57219 Bristol 533 $51,595 $82,500 $1,032 3.0% 34.4%
57239 Grenville 380 $89,896 $290,600 0.0% 49.2%
57468 Pierpont 273 $68,750 $103,800 $775 0.0% 34.2%
57261 Roslyn 297 $43,125 $114,300 $558 0.0% 31.7%
57273 Waubay 1,226 $48,750 $155,800 $578 8.6% 37.6%
57274 Webster 2,611 $69,844 $161,900 $619 1.6% 42.9%