Popular baby names in Colorado
In 2025, Colorado's top baby names were Charlotte for girls and Liam for boys. Below: this year's top 20, the names Colorado likes far more than the rest of the country, the number-one names decade by decade, and every year's list back to 1910.
Top 20 names in Colorado, 2025
Names Colorado likes more than the rest of the country
Colorado favorites
Among the state's 100 most-given names in 2021–2025 and at least twice as common there as in the rest of the US.
- Aspen (girls): #68 in Colorado, 3.6× the rest-of-US rate
- Juniper (girls): #42 in Colorado, 2.8× the rest-of-US rate
- Sloane (girls): #63 in Colorado, 2.5× the rest-of-US rate
- Arlo (boys): #75 in Colorado, 2.4× the rest-of-US rate
- Margot (girls): #72 in Colorado, 2.3× the rest-of-US rate
- June (girls): #98 in Colorado, 2.2× the rest-of-US rate
- Quinn (girls): #43 in Colorado, 2.1× the rest-of-US rate
- Ximena (girls): #93 in Colorado, 2.1× the rest-of-US rate
- Maeve (girls): #50 in Colorado, 2.1× the rest-of-US rate
- Ember (girls): #100 in Colorado, 2× the rest-of-US rate
- Calvin (boys): #81 in Colorado, 2× the rest-of-US rate
Signature names, rare elsewhere
Given to at least 50 babies in the state in 2021–2025, at least three times as common there as in the rest of the US, and rare nationally (under 200 babies per million).
Number-one baby names in Colorado by decade
Colorado baby names by year
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