While America’s demographics are changing quickly, charities are not adjusting fast enough to the changes, says Diana Cardenas, a New York marketing consultant who works with nonprofits.

Ms. Cardenas, who spoke in Washington at the American Marketing Association’s Nonprofit Marketing Conference, noted figures that show the number of interracial couples grew by 28 percent in the past decade, while the number of same-sex couples increased by 80 percent.

Ms. Cardenas, a Colombian by birth, said nonprofit organizations should take several steps before attempting to raise money or communicate with people from different cultures. 

Click here for some tips from Ms. Cardenas.