List of web pages with tools for offline marketing research.
Generate Local Adwords + Keyword(s) List Enter zipcode and radius and then edit and combine keywords together with those locales.
Home town locator This site provides listings for cities, towns, villages, neighborhoods, etc.. Also populated places like neighborhoods, subdivisions and settlements.
Links to neighborhoods with maps City-data.com provides an incredible amount of data about the people and properties in the searched area.
Citypopulation.de provides worldwide population stats, maps, diagrams of major cities and agglomerations (areas with over 1 million inhabitants).