In this list, we have compiled 81 U.S. smart cities that have shared out open data in an aggregated open data portal. For the scope of this list, we have included only the open data portals of cities in a country and not the country's national open data portal.
Several of more notable well-designed city open data portals with rich datasets include:
NYC Open Data Portal
Dallas Open Data Portal
By Continents. Find out more about the smart city portals in these regions
This list of more than 200 smart city open data portals is compiled in conjunction with the Insights article "Smart Cities - The Rise of Aggregated Open Data Portals".