Answer:
Wharton and Brazori were the areas with the highest slave populations in the Republic of Texas.
Step-by-step explanation:
The Texas county with the highest slave population in 1860 was Wharton with 80.9 percent slave population, followed by Brazoria with 74.9 percent. To learn more about the Houston area and its population, according to census data from 1850, go through the photos in the gallery above