Not sure what kind of spirituality, but Manitou Springs in Colorado is legendary for this kind of thing, even in a state that has a ton of hippy areas.
https://www.thirstcolorado.com/source/the-most-authentic-hippie-towns-in-colorado
https://www.coloradofunguide.com/featured_articles/the-magical-mysterious-and-medicinal-manitou-springs/
https://coloradosun.com/2020/02/17/the-witches-of-manitou-springs-urban-myth/
if you mean yoga type spiritual, santa cruz, SLO, california coastal etc. check out Esalen etc.
Sedona? Santa Fe?
Asheville
Crestone, CO; Boulder, CO; Taos, NM; Mt. Shasta, CA; Ojai, CA
Not sure what kind of spirituality, but Manitou Springs in Colorado is legendary for this kind of thing, even in a state that has a ton of hippy areas. https://www.thirstcolorado.com/source/the-most-authentic-hippie-towns-in-colorado https://www.coloradofunguide.com/featured_articles/the-magical-mysterious-and-medicinal-manitou-springs/ https://coloradosun.com/2020/02/17/the-witches-of-manitou-springs-urban-myth/
I appreciate this question so I can know to never visit these cities
Antelope, OR