There is more structured data for Metropolitan Statistical Areas (MSA) than for "cities", but governance (e.g. zoning and planning) is usually at the city level. Combined Statistical Areas are a whole other thing: https://en.wikipedia.org/wiki/Combined_statistical_area
There is more structured data for Metropolitan Statistical Areas (MSA) than for "cities", but governance (e.g. zoning and planning) is usually at the city level. Combined Statistical Areas are a whole other thing: https://en.wikipedia.org/wiki/Combined_statistical_area