All of Hill's studio albums have been certified Gold or higher by the Recording Industry Association of America.

The lead single, "Wild One" spent four weeks at number one on the Billboard Hot Country Songs chart that year, making Hill the first female country artist in 30 years spend a series of weeks at the top spot with a debut single.

The album's additional singles, "Piece of My Heart" (a cover of the Erma Franklin song) and "Take Me as I Am" were also significant country hits.

The album's other singles remained successful on the country charts, peaking within the Top 10, including a duet with McGraw, "Just to Hear You Say That You Love Me".

The title track was the album's first single, where it became Hill's biggest hit to date, spending six weeks at number one on the Billboard Hot Country Songs, while also peaking at number two on the Hot 100, becoming the biggest hit of the year according to Billboard.

In addition, Fireflies sold two million copies in the United States and was certified 2× Platinum in sales.