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South Dakota · County atlas

Hamlin County map

Explore the boundary, see its place in South Dakota, and download a map for your next project.

FIPS 460572025 Census boundariesFree PDF · PNG · SVG
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Boundary map 100%
Boundary map of Hamlin County, South Dakota Hamlin County
2025 U.S. Census boundaries. Detailed county outline. Zoom or expand for a closer look.
507.1 sq miLand area
31 sq miWater area
5.8%Share of area that is water
46057Five-digit county FIPS code

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Choose a format for printing, editing, or sharing. All downloads are free.

SVG

SVG is editable vector artwork. PNG is a high-resolution image. PDF uses landscape Letter pages, with a separate key when needed.

Downloads contain the complete boundary map, independent of zoom. Boundary data (GeoJSON) · Reuse with source credit.

Roads, terrain & aerial imagery

Explore Hamlin County, South Dakota with a county boundary overlay. Choose a view to load the interactive map.

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Street names, terrain, or aerial photography with the county boundary in view.

Backgrounds load from OpenStreetMap or USGS only when selected. Imagery dates and detail vary by location.

Hamlin County at a glance

Hamlin County is one of 66 county-level areas in South Dakota. Its 507.1 square miles of land place it at position 60 among those areas by land size. Including 31 square miles of water, its mapped total area is approximately 538.1 square miles.

Full Census nameHamlin County
StateSouth Dakota
FIPS / GEOID46057
Boundary vintage2025
Outline source scale1:500,000

Counties along the boundary

These county-level areas share a line segment with Hamlin County in the Census cartographic boundary dataset. Select one to continue exploring.

Using this map

Choose a blank outline for coloring or a labelled download for reference. SVG preserves editable boundary artwork, PNG works in slides, and PDF provides a ready-to-print landscape page. Use the full state map to compare surrounding counties.

Roads, topography, and aerial imagery are available in the interactive background viewer. Those backgrounds have their own dates and sources; the red boundary overlay follows the 2025 Census geography.

Sources and precision

U.S. Census Bureau, 2025 Cartographic Boundary Files. The county outline uses the 1:500,000 file; location maps and interactive overlays use 1:5,000,000. Areas come from ALAND and AWATER, converted to square miles and rounded to one decimal place. Neighbor links are calculated from shared boundary segments, not from point-only contacts. Generalized maps are for geographic reference, not parcel or legal boundary determination. Full methodology.