| Feature Name: | Union County
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| Feature Type: | civil
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| State: | South Dakota
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| County: | Union
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| County Population: | 12584
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| County Housing Units: | 5345
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| County Size: | 460.38 Square Miles
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| Latitude: | 42.81667
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| Longitude: | -96.69444
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| Estimated Population: | 10189
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| Map Cell Name: | Richland
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| Geographic Keywords: | Union
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