Oacoma South Dakota Map

About Oacoma, South Dakota

Oacoma is a locality in Lyman County, South Dakota, United States. It is a small community with a population of 386. The population density is 57.2 people per km². Oacoma is located at 43.8045°N, 99.3661°W. It observes the Central Time (America/Chicago) timezone. Oacoma is an incorporated locality. ZIP code: 57365.

Oacoma occupies a singular posture upon the high, sun-bleached plains where the horizon stretches into a wide, unblinking clarity. It lies 61.7 miles southeast of Pierre, SD (from Pierre, SD: bearing 129°T), and is situated 3.4 miles west-southwest of Chamberlain. The earth here is defined by a persistent, dry resilience, interrupted only by the expansive reach of Lake Francis Case, which holds the sky in its depths with a stillness that commands the surrounding prairie. Beyond the immediate banks, the terrain rises into the rugged, eroded silhouettes of the distant Iona Hills, while the modest, winding path of American Crow Creek carves a quiet passage through the lower grasses. The light at dusk here possesses a peculiar, amber weight, casting long shadows that seem to anchor the land against the vastness of the western wind.

Oacoma functions as a pragmatic crossroads, its character forged by the steady movement of travelers navigating the great continental transit routes. The economy remains tethered to the rhythms of the land and the visitors who pause within the Francis Case Recreation Area, seeking the solace of the water or the stark, geological theater of the nearby Tischudy Gulch. History lingers in the quiet, industrious atmosphere of the main thoroughfares, where the heritage of the plains meets the demands of modern commerce without pretense. Life in Oacoma moves with a deliberate, measured pace, reflecting a people accustomed to the cycles of the seasons and the enduring, profound silence of the open country.

About This Oacoma Map Page

This page provides an embedded street and satellite map of Oacoma, South Dakota. Coordinates: 43.804516, -99.366082. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for Oacoma includes the ZIP code (57365), telephone area code (605), county seat of Lyman County (Kennebec), and school district assignment (Chamberlain School District 07-1).

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.