Avondale is a census-designated place (CDP) and post office located in Pueblo County, Colorado, United States.

The CDP is a part of the Pueblo, CO Metropolitan Statistical Area.

[4] At the United States Census 2020, the population of the Avondale CDP was 594, while the population of the 81022 ZIP Code Tabulation Area was 1,624 including adjacent areas.

[3] The Avondale, Colorado, post office opened on March 22, 1892.

[6] At the 2020 United States Census, the Avondale CDP had an area of 402 acres (1.627 km2), all land.