HOW TO

Add a field containing a count of overlapping features in another layer

Last Published: April 25, 2020

Summary

Instructions provided include step-by-step instructions for adding a field containing a count of overlapping features in another layer. For example, with a map that has a polygon layer representing states and a point feature representing cities, use this to calculate how many cities each state contains.

Procedure



  1. In the ArcMap Table of Contents, right-click on the layer to apply the count to, and select Joins and Relates > Joins.
  2. In the 'Join' dialog box, specify the 'Join data from another layer based on spatial location' option.
  3. Specify the location and name of the output feature.
  4. Click OK.

    The output feature has a field named count that lists the number of overlapping or intersecting features.

Article ID:000008877

Software:
  • ArcMap 9 x

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