Cody Miller of PopMatters found that The Age of Miracles contained mainly a mixture of "uptempo numbers and mournful ballads," and that the release was "classic MCC: sober, insightful, whimsical, and beautiful."

However, in contrast, Jonathan Keefe of Slant Magazine commented that the album's production never strays too far from the "pedestrian, coffeehouse blend of hushed acoustic strumming.

[2] Thematically, tracks on The Age of Miracles sound more emotional, according to PopMatters, who described "The Way I Feel" as having "plenty of room to relive the frustration she displayed so measured and matured on “Passionate Kisses”."

"[6] Engine 145's Jim Caligiuri gave the album three and a half out of five stars, finding that the effort had a "distinct point of view" but was too outspoken and "Folksie."

Caligiuri later concluded by saying "Hot young country, or whatever they’re calling it these days, it’s not – but those seeking something with meaning and artistry will find a lot to appreciate in The Age Of Miracles.

Keefe explained his reasoning, saying "Carpenter's early albums balanced her folkier tendencies with inspired elements of contemporary country and pop.