Spectators at the parade in downtown Houston were treated to singers on horseback.
They also watched marching bands, cheerleaders and children in traditional Mexican clothes.
Our own Eyewitness News anchor Elissa Rivas rode in a carriage for ABC13.
Cinco de Mayo commemorates the Mexican Army's victory over French forces in the Battle of Puebla in 1862.
It's become a celebration of Mexican heritage and pride in the United States.
Houstonians say they like celebrating the city's diversity.