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Roslyn town, South Dakota

Roslyn town profile, demographic data, and geographic information.

Roslyn town is a geographic entity located in Day County, South Dakota. As of official census estimates, it has a reported population of 182. The land area covers 0.22 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 182 — 2025 / Census
Median Age 53.1 yrs ±10.6 2020-2024 / Census ACS 5-Year 2024
Total Households 57 ±24 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 88 ±29
Occupied Housing Units 57 ±24
Vacant Housing Units 31 ±19
Median Home Value $96,300 ±$44,929
Median Gross Rent $525 ±$200
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $49,375 ±$23,864
Per Capita Income $26,963 ±$6,744
Poverty Rate 15% ±11%
Population Below Poverty Level 18 ±15
Unemployment Rate 0% ±20.8%
Civilian Labor Force, Employed 48 ±28
Broadband Internet Rate 86% ±17.8%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
TOWN OF ROSLYN
GUS Population: 180 (2024)
ID: 209467
Municipal Official Local Government
Contact: FINANCE OFFICER
PO BOX 31, ROSLYN SD 57261-0031
COUNTY OF DAY
GUS Population: 5,408 (2024)
ID: 174987
County Official County Government
Contact: CHAIRMAN
711 W 1ST ST, WEBSTER SD 57274-1364

Education

Listing 7 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Waubay, SD
Regular School Nearby PK-06 Waubay, SD
Regular School Nearby 09-12 Waubay, SD
Regular School Nearby 07-08 Waubay, SD
Regular School Nearby PK-05 Webster, SD
Regular School Nearby 09-12 Webster, SD
Regular School Nearby 06-08 Webster, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 7 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Sisseton Wahpeton College
College 21.4 mi away 12572 BIA Rd 700, Sisseton, SD, 57262
60569839661100
WEBSTER PUBLIC LIBRARY
Library 11.4 mi away 800 MAIN STREET, WEBSTER, SD, 57274
(605) 345-3263
WAUBAY PUBLIC LIBRARY
Library 14.7 mi away 94 NORTH MAIN ST, WAUBAY, SD, 57273
(605) 947-4748
LANGFORD PUBLIC LIBRARY
Library 18.0 mi away 306 MAIN ST, LANGFORD, SD, 57454
(605) 493-6690
SISSETON WAHPETON COMMUNITY COLLEGE LIBRARY
Library 21.5 mi away BIA ROAD 700, SISSETON, SD, 57262
(605) 698-3966
BRITTON PUBLIC LIBRARY
Library 24.0 mi away 759 7TH ST, BRITTON, SD, 57430
(605) 448-2800
SISSETON MEMORIAL LIBRARY
Library 24.5 mi away 305 E MAPLE ST, SISSETON, SD, 57262
(605) 698-7391
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at WAUBAY NATL WILD LIFE, SD US, located 9.4 miles from Roslyn town. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 21.7° 3.5° 12.6° 0.60" 6.6"
February 26.4° 7.0° 16.7° 0.54" 6.0"
March 38.7° 19.2° 29.0° 0.84" 5.5"
April 54.0° 32.8° 43.4° 1.96" 5.0"
May 67.6° 46.6° 57.1° 2.93" 0.0"
June 76.8° 57.6° 67.2° 3.69" 0.0"
July 81.7° 62.2° 72.0° 3.79" 0.0"
August 80.5° 60.8° 70.6° 2.26" 0.0"
September 72.6° 52.0° 62.3° 2.39" 0.0"
October 57.0° 38.4° 47.7° 2.17" 1.2"
November 39.9° 23.9° 31.9° 0.69" 5.0"
December 26.5° 10.5° 18.5° 0.66" 6.3"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Roslyn town Town 0.0 mi —
Grenville town Town 5.4 mi —
Eden town Town 9.0 mi —
Enemy Swim CDP CDP 11.0 mi —
Webster city City 11.2 mi —
Waubay city City 14.4 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4603756380. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.