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Union County GIS data

2 public ArcGIS maps published by Union County, North Carolina, with 10 layers between them. Open one in MapPull to pick the layers you need and download them as Shapefile, DXF, GeoJSON, or KMZ, clipped to your project area.

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• Web map

  Union County Minor Subdivision Map through August 28 2026

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  • Point layer · points · 4,634
  • Parcels · polygons · 118,191
• Web map

  Union County Flooded Road Closure Mapping

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  • TotalPrecip_7daysFrom_9212018 · polygons · 16
  • Florence_Road_Closures_Sept_2018_updated · points · 222
  • Union_County_Road_Closures_1_9_24 · points · 27
  • FloodedRoads_9_9_23 · points · 35
  • HU12 · polygons · 103,068
  • Tropical Storm Tammy Flooded Roads - Aug 2024 · points · 38
  • Hurricane Helene Road Closures September 2024 · points · 18
  • August 5, 2025 flooding · points · 15

These maps are published by Union County, which owns the data and sets its terms of use. MapPull reads only what is public; it doesn't host or change the data. Layer names and feature counts were read on 2026-10-19 and can change when the publisher updates a map.