Blende is a Census-designated place in and governed by Pueblo County, Colorado, United States. The CDP is a part of the Pueblo, CO Metropolitan Statistical Area. The population of the Blende CDP was 788 at the United States Census 2020. The Pueblo pos…Blende is a Census-designated place in and governed by Pueblo County, Colorado, United States. The CDP is a part of the Pueblo, CO Metropolitan Statistical Area. The population of the Blende CDP was 788 at the United States Census 2020. The Pueblo post office serves the area.