Boys name · Colorado
Dennis in Colorado
Dennis was the 580th most popular boys name in Colorado in 2025, with 9 babies named Dennis that year. Since 1920, Colorado families have named 5,754 babies Dennis.
Popularity over time
Dennis in Colorado, year by year
| Year | Babies | State rank |
|---|---|---|
| 1920 | 5 | 225th |
| 1938 | 36 | 61st |
| 1952 | 199 | 21st |
| 1966 | 69 | 51st |
| 1980 | 30 | 126th |
| 1994 | 19 | 216th |
| 2008 | 12 | 441st |
| 2025 | 9 | 580th |
Its rank among boys names in Colorado fell from 225th in 1920 to 580th in 2025.
The most babies named Dennis in Colorado in a single year was 238, in 1947. Its best showing was 14th among boys names in 1946.
Across the country, Dennis reached its best rank of 2nd in Hawaii (1944). See Dennis in every state →
How popular is Dennis in Colorado?
Dennis was the 580th most popular boys name in Colorado in 2025, with 9 babies named Dennis that year. Since 1920, Colorado families have named 5,754 babies Dennis.
How many babies are named Dennis in Colorado?
In 2025, 9 babies were named Dennis in Colorado. The most babies named Dennis in Colorado in a single year was 238, in 1947.
What is the rank of Dennis in Colorado?
Dennis ranked 580th among boys names in Colorado in 2025. Its best showing was 14th among boys names in 1946.
Source: U.S. Social Security Administration, names by state of birth (public domain). Counts below 5 in a state-year are omitted by the SSA for privacy.