Extreme eastern Darién (Cerro Sapo, Serranía de Jungurudó and Cerro Pirre), in eastern Panama, and north-western Chocó (Alturas de Nique, including Cerro Nique), in north-western Colombia.
 
Population
Estimated population is unknown (2010).
Pirre Bush Tanager (Chlorospingus inornatus) [XC840461]
by id from Cerro Pirre summit camp, Panama (call, song)
Pirre Bush Tanager (Chlorospingus inornatus) [XC361661]
by Cameron Rutt from Cerro Pirre (ridge), Panama (call)
Subspecies
No subspecies.
Recent molecular-genetic studies indicate that this genus and Nesospingus, Spindalis and Phaenicophilus form a monophyletic clade that is sister to several New World warbler (Parulidae) genera (including Dendroica, Basileuterus and Vermivora), and are not closely related to other genera of present family. More recent evidence suggests that Chlorospingus is closest to genus Arremonops in family Emberizidae. This species forms a monophyletic group with Common Bush-Tanager (Chlorospingus flavopectus) and Tacarcuna Bush-Tanager (Chlorospingus tacarcunae).