US ZIP Code
57261

Roslyn, SD

Day County  ·  South Dakota

● Active
👥 297 Population ↓ 26% since 2019
💰 $43,125 Median HH Income
▼ 43% below avg ↓ 27% since 2019
🎂 53.8 Median Age ↓ 7% since 2019
🏠 $114,300 Median Home Value
▼ 59% below avg ↑ 27% since 2019
🎓 31.7% College Grads
▼ 18% below avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57261
CityRoslyn
StateSouth Dakota (SD)
CountyDay County
Area Code605
Elevation1,815 ft
Latitude45.545582
Longitude-97.49956
TimezoneChicago (DST)
FIPS46037
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.1% (140) Female 52.9% (157) ♀

Race & Ethnicity

White: 82.2%Other: 9.8%Race
White82.2%
Other9.8%

Age Breakdown

Under 5
12%
5–17
10%
18–24
2%
25–44
19%
45–64
13%
65+
13%

Key Indicators

Median Age53.8 yrs ↓ 7% since 2019
Avg Household Size2.30
Below Poverty4.0% ▼ 60% below avg
College Grads31.7% ▼ 18% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate80 (44.4%)
Some College27 (15%)
Associates16 (8.9%)
Bachelors24 (13.3%)
Graduate Degree33 (18.3%)

Education

HS Grad: 44.4%Some College: 15%Associates: 8.9%Bachelors: 13.3%Graduate: 18.3%Edu
HS Grad44.4%
Some College15.0%
Associates8.9%
Bachelors13.3%
Graduate18.3%
Housing & Income

Housing Tenure

Owner: 63.1%Renter: 36.9%Tenure
Owner63.1%
Renter36.9%

Home Value Distribution

Under $50k
19%
$50k–100k
26%
$100k–150k
20%
$150k–200k
16%
$200k–300k
9%
$300k–500k
10%
Over $500k
1%

Financials

Median HH Income$43,125 ▼ 43% below avg ↓ 27% since 2019
Median Home Value$114,300 ▼ 59% below avg ↑ 27% since 2019
Home/Income Ratio2.7x (nat avg ~3.5x)
Median Rent$558/mo ↓ 21% since 2019
Total Units142
Vacant Units31
Avg HH Size2.30

Income Distribution

Under $25k
22%
$25k–50k
33%
$50k–75k
7%
$75k–100k
15%
$100k–150k
24%
Employment & Commute

How People Get to Work

Drove Alone
76%
Walked
5%
Work From Home
18%

Commute Time

Under 15 min
28%
15–30 min
32%
30–45 min
1%
Over 45 min
38%
Housing Stock

Year Built

Before 1940
11%
1940s–1950s
12%
1960s–1970s
8%
1980s–1990s
11%
2000+
58%

Summary

Total Units142
Vacant31
Owner Occupied63.1%
Renter Occupied36.9%
Avg HH Size2.30
Frequently Asked Questions
ZIP code 57261 is in Roslyn, SD, in Day County.
ZIP code 57261 is located in South Dakota (SD).
ZIP code 57261 is in Day County, SD.
ZIP 57261 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57261 is 297 people (ACS 2023).
The median household income in ZIP code 57261 is $43,125 (ACS 2023).
The median home value in ZIP 57261 is $114,300 (ACS 2023).
About ZIP Code 57261

ZIP code 57261 is located in Roslyn, South Dakota, within Day County. With a population of 297, this is a sparsely populated ZIP code with a mature community — the median age is 53.8 years. Economically, 57261 is a working-class ZIP code: the median household income of $43,125 is below the national average.

Real estate in ZIP code 57261 represents one of the more affordable housing markets in the country. The median home value of $114,300 is well below the national average. Renters can expect to pay around $558 per month in median rent. Homeownership is strong here — 63.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 27% since 2019.

The population of 57261 is primarily White (82.15%). Residents are moderately educated — 31.7% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 4.0%. Household income has declined by 27% since 2019.

About 15% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 63%.

Overall, ZIP code 57261 in Roslyn, SD is characterized as working-class, moderately educated, a mature community, and predominantly owner-occupied. With 297 residents, a median household income of $43,125, and a median home value of $114,300, it offers a clear picture of life in this part of South Dakota.