One can find that the best place to search for low income rooms to rent would be looking at the brochures and guides offered at a government services center. They have a variety of services to support low income families.

You can visit mynewplace.com and search for low income apartments for rent in your area.

Not any specific to townhouses, but there are many that do have access to townhouses along side apartments and homes for renting such as: Rent and Rental ads. Also many sites that sell properties also have rentals.

You can find townhouses for rent online using websites such as Zillow and Rent. Zillow provides the ability to search for a variety of real estate options everywhere in the United States.

Contacting the local housing authority in Atlanta can provide you with a list of low income houses for rent.