How to add image field admin column to a taxonomy in WordPress
This members-only tutorial provides the steps to show images from an image-type custom field created using Advanced Custom Fields for each term of a taxonomy in a custom admin column on the taxonomy listing screen in WordPress.

Step 1
If you want to set this up for a custom taxonomy vs the standard category
or post_tag
, create your desired custom taxonomy using CPT UI or otherwise, if you haven't already.
Step 2
Install and activate ACF (free or pro).
Go to Custom Fields > Add New and create a field group containing a field of "Image" type and attach it to your desired taxonomy.

Step 3
Edit your terms and upload/select the corresponding image for each.

Step 4
Install and activate Code Snippets.
Go to Snippets > Add New.
Title: Add Taxonomy Image (ACF) Admin Column
Code:
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