Petaluma Center is an unincorporated community and census designated place (CDP) in Sonoma County, California, United States.

It covers the residential population of the Coast Guard facility Training Center Petaluma.

Per the 2020 census, the population was 709.

[3] Petaluma Center first appeared as a census designated place in the 2020 U.S.

[6][5] Petaluma Center is in the Two Rock Union Elementary School District and the Petaluma Joint Union High School District.