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Frederick

A township of 55 people in Brown County, South Dakota
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Around town

The places and views that make it Frederick

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Outdoors in Frederick

Parks & trails →
Conserved land34%7,437 of 22,115 acres
Trails9.3 mi0.3 mi per sq mi
Parks & preserves0named on the map

Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Bird's eye view of Frederick, Dak. 18831883
From Frederick’s story

Bird's eye view of Frederick, Dak. 1883, 1883

Photo · Wikimedia Commons

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Know Frederick

The town at a glance, and the guide to how things work

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About Frederick

City in South Dakota, United States
215Population
0.4 sq miArea
1,381 ftElevation

Frederick is a town in northwestern Brown County, South Dakota, United States. The population was 215 at the 2020 census. Home to the annual Frederick Finn Fest, the town is part of the Aberdeen Micropolitan Statistical Area.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code57441
Area code605
Living in Frederick

Health in Frederick

Compared with South Dakota

6better than SD·2worse

of 26 measures CDC estimates. The other 18 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Avera St. LukesAberdeen · 24 mi · ER
Horizon Health - AberdeenAberdeen · 24.2 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP code 57441 · CMS · HRSAHealth in Frederick →

Natural hazards in Frederick

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Frederick →

Climate in Frederick

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Frederick has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 2°, and about 44 inches of snow falls in a normal winter.

24° / 6°Winter
54° / 31°Spring
80° / 57°Summer
56° / 34°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Frederick →

Libraries near Frederick

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Nearest: Emma Burnham Public LibraryFrederick · 2.4 miles · 14 hrs a week
Famous people from FrederickWriters, athletes, leaders and more who were born in Frederick.Meet them →

How things work in Frederick

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The porch light’s on

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You’re in Frederick, SDBrown CountyView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01