Explore Agar, South Dakota, with this interactive street and satellite map. You can “grab” the Agar, SD street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
Map search is available for a limited number of queries per session to manage costs. Be specific — search precisely for best results.
| City | Agar |
| State | South Dakota (SD) |
| County | Sully |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 44.838315 |
| Longitude | -100.074567 |
| Population | 81 |
| Density | 94.9 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 57520 |
| Area Code | 605 |
| County Seat | Onida |
| School District | Agar-Blunt-Onida School District 58-3 |
Agar is a locality in Sully County, South Dakota, United States. It is a small community with a population of 81. The population density is 94.9 people per km². Agar is located at 44.8383°N, 100.0746°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 57520.
Agar rests in a landscape of broad, sweeping horizons, where the land itself seems to breathe with the open sky. It lies 88.7 miles west-south-west of Aberdeen, SD (from Aberdeen, SD: bearing 241°T), and is situated 9.0 miles north of Onida. Rolling hills, softened by the passage of countless seasons, give way to vast expanses of prairie, a living canvas of grasses that ripple and sigh in the prevailing winds. The light here possesses a particular clarity, especially in the late afternoon, painting the fields in hues of gold and ochre as the sun begins its slow descent. The air, clean and carrying the faint, dry scent of earth and distant agriculture, feels as immense as the sky it inhabits. This is a place where the land dictates the rhythm, and the human presence is a quiet punctuation mark against its grand, unhurried narrative. The story of Agar is one deeply entwined with the agricultural heart of South Dakota. Founded by settlers drawn to the fertile soils and the promise of opportunity, it grew from humble beginnings into a small but resilient hub. The local economy has long been sustained by the cultivation of crops and the raising of livestock, a testament to the enduring connection between the people and the land. While not a place of booming industry or grand monuments, Agar possesses a distinct character, a quiet strength born of self-reliance and a deep understanding of the cycles of nature. The simple, sturdy architecture of its few buildings speaks of practicality and endurance, mirroring the spirit of its inhabitants who have weathered the challenges of this expansive, beautiful country.
Loading news…
Loading news-world…
Loading news-world…
This page provides an embedded street and satellite map of Agar, South Dakota — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 44.838315, -100.074567. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Agar and Sully County.
Detailed location data for Agar includes the ZIP code (57520), telephone area code (605), county seat of Sully County (Onida), and school district assignment (Agar-Blunt-Onida School District 58-3). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Agar is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |