Although the population trend of Stripe-tailed Hummingbird have not been quantified, this species has a large geographic range. Consequently the IUCN Red List conservation status for Stripe-tailed Hummingbird is rated as Least Concern (Birdlife International 2013). It also is not considered to be threatened under Mexican law. Stripe-tailed Hummingbird is included in Appendix II of CITES, as is the case with all hummingbirds, regardless of rarity (except for Hook-billed Hermit Glaucis dohrnii, which is on Appendix I of CITES).
The relative abundance of Stripe-tailed Hummingbird is assessed as fairly common to common in Mexico (Howell and Webb 1995), as fairly common in Honduras (Monroe 1968), and as fairly common in Panama (Ridgely and Gwynne 1989).