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Agar, SD

Population
71
U.S. Census Population Estimates Program · 2025
Elevation
1,849 ft
Median Home Value
$114,200
U.S. Census American Community Survey 5-Year · 2024

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Agar in context.

OverallBest places in South DakotaPopulation rankingHighest population places in South DakotaNearest larger communityPierre, South Dakota34 miles away · 13,848 residents.

About Agar

Agar is a Sully County town and farm-and-ranch service center, with 68 residents in the 2020 census. It was laid out in 1910, named for county official Charles H. Agar, and also called Milford. Agar-Blunt-Onida School District 58-3 serves the area; the South Dakota directory places its middle school in Onida, and the state district map shows the three-community network. Agar's agricultural service role now connects to school and county routines centered beyond the town's small street grid.

Top Rating Signals

Highest current ratings for this town.

Lower FEMA County Hurricane Risk IndexA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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