The U.S Census Bureau has added to and updated the online collection of subnational population data linked to maps (shapefiles) that are available at the Spatial Data Repository.
The Repository contains a variety of data and maps primarily for countries that receive assistance via the President’s Emergency Plan for AIDS Relief (PEPFAR).
http://spatialdata.measuredhs.com/
Population data and maps are available for the countries listed below.
– Africa: Botswana, Ethiopia, Ghana, Kenya, Lesotho, Malawi, Mozambique, Namibia, Nigeria, Rwanda, South Africa, Tanzania, Zambia, Zimbabwe
– Americas: Dominican Republic, Guyana, Haiti
– Asia/Europe: Cambodia, India, Indonesia, Russia, Thailand