Category talk:Native Americans by state

How to create a new subcategory page? for example, if I wanted to add a "Native Americans of Wisconsin" page modeled on the other pages
Question is in the title. Thank you for any responses. I ask because I was doing research in this area and felt like while I work I could at least help add sources I find, or improve organization. Laryxlarcinia (talk) 21:06, 23 September 2022 (UTC)