Most Expensive counties in USA - America's Richest Counties

CountystateTime Zone
Nassau (Nassau county NY Zip Codes)NYEastern
Douglas (Douglas county CO Zip Codes)COCentral
Fairfax (Fairfax county VA Zip Codes)VAEastern
Santa Clara (Santa-Clara county CA Zip Codes)CAPacific
Montgomery (Montgomery county MD Zip Codes)MDEastern
Somerset (Somerset county NJ Zip Codes)NJEastern
Putnam (Putnam county NY Zip Codes)NYEastern
Montgomery (Montgomery county MD Zip Codes)MDCentral
Morris (Morris county NJ Zip Codes)NJEastern
Calvert (Calvert county MD Zip Codes)MDEastern
Williamson (Williamson county TN Zip Codes)TNCentral
Morris (Morris county NJ Zip Codes)NJCentral
Charles (Charles county MD Zip Codes)MDEastern
Putnam (Putnam county NY Zip Codes)NYCentral
Arlington (Arlington county VA Zip Codes)VAEastern
Hunterdon (Hunterdon county NJ Zip Codes)NJEastern
Douglas (Douglas county CO Zip Codes)COPacific
Alexandria City (Alexandria-City county VA Zip Codes)VAEastern
Douglas (Douglas county CO Zip Codes)COMountain
Prince William (Prince-William county VA Zip Codes)VAEastern
Loudoun (Loudoun county VA Zip Codes)VAEastern
Howard (Howard county MD Zip Codes)MDCentral
Howard (Howard county MD Zip Codes)MDEastern
Forsyth (Forsyth county GA Zip Codes)GAEastern
Marin (Marin county CA Zip Codes)CAPacific
Douglas (Douglas county CO Zip Codes)COEastern
Stafford (Stafford county VA Zip Codes)VAEastern
Stafford (Stafford county VA Zip Codes)VACentral