Most popular baby names in Colorado — 2025

In 2025, the most popular baby names in Colorado were Charlotte, Olivia, and Sophia for girls and Liam, Theodore, and Noah for boys. Some names are far more common here than nationwide: Juniper is 2.7x more common in Colorado than nationally, and Arlo is 2.3x more common in Colorado than nationally. See which names rose and fell the most below, or open the full top 100 lists.

Most distinctive baby names in Colorado

Girls

Most distinctive Evelyn 1.6x more common ▲2 #6 vs US #8
Also more common
Charlotte 1.5x more common ▲1 #1 vs US #2 Sofia 1.5x more common ▲1 #8 vs US #9 Eleanor 1.5x more common ▲2 #10 vs US #12 Mia 1.3x more common ▲1 #5 vs US #6
Less common
No distinctive less-common names in the top 10

Boys

Most distinctive Theodore 1.8x more common ▲2 #2 vs US #4
Also more common
Cooper 1.7x more common ▲18 #9 vs US #27 Mateo 1.4x more common ▲1 #7 vs US #8 Elias 1.4x more common ▲3 #10 vs US #13 William 1.4x more common ▲1 #8 vs US #9
Less common
No distinctive less-common names in the top 10

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