Waelder (/ˈwɛldər/ WEL-dər) is a city in Gonzales County, Texas, United States and is also part of the Texas-German belt.

The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[4] As of the 2020 United States census, there were 933 people, 391 households, and 290 families residing in the city.

As of the census[3] of 2010, there were 1065 people, 362 households, and 255 families residing in the city.

Waelder is home to the J Bar B Foods factory, where meat products are produced and shipped to local stores.