Changing the colors of counties on a map in ArcMap

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12-28-2021 12:29 PM
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sniffysmom
New Contributor

I have a map of the counties in Colorado.  The counties are all in the same color. How do I change the colors of some of the counties? One color will represent a trait, another color will represent a trait in that county, etc. I have attached a picture of the map I am working with. 

 

 Thank you.  

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DanPatterson
MVP Esteemed Contributor

So I think you want to symbolize your polygon layer using a random color scheme based on some attribute in your table, even the name of the county

Drawing a layer using categories—ArcMap | Documentation (arcgis.com)


... sort of retired...

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JayantaPoddar
MVP Esteemed Contributor

Not sure if I understood your question correctly.

You could use a categorical symbology based on the trait. Remove the traits in the symbology that you don't want to specify any unique color. They will be symbolized as "all other values".

JayantaPoddar_0-1640724411538.png

 



Think Location

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2 Replies
DanPatterson
MVP Esteemed Contributor

So I think you want to symbolize your polygon layer using a random color scheme based on some attribute in your table, even the name of the county

Drawing a layer using categories—ArcMap | Documentation (arcgis.com)


... sort of retired...
JayantaPoddar
MVP Esteemed Contributor

Not sure if I understood your question correctly.

You could use a categorical symbology based on the trait. Remove the traits in the symbology that you don't want to specify any unique color. They will be symbolized as "all other values".

JayantaPoddar_0-1640724411538.png

 



Think Location