7大縣。奧克蘭(Oakland)為縣政府所在地,也是縣裡人口最多的城市。 阿拉米達縣目前的銷售稅(sales tax)為9.25%。 California Sales and UseTax Rates by County and City (PDF). (原始内容存档 (PDF)于2020-06-09)
2007 State Individual Income Tax Rates, 2007 (页面存档备份,存于互联网档案馆), Tax Foundation, February 3, 2008 State and Local Sales and Use Taxes and Internet Commerce