sda-demography.org: Southern Demographic Association The Southern Demographic Association (SDA) is a scientific and educational organization, incorporated under the laws of the Commonwealth of Virginia. It is comprised of persons with professional interests in demography and population studies. sda-demography.org/ Site Listings sda-demography.org: Southern Demographic Association The Southern Demographic Association (SDA) is a scientific and educational organization, incorporated under the laws of the Commonwealth of Virginia. It is comprised of ... sda-demography.org/ Add Url or Add Site to Submit Site to the Associations Directory |