We assessed the geographic distribution of HIV infection among civilian applicants for US military service. High smoothed HIV prevalences were observed among white applicants in California, Texas, Florida, New York, and New Jersey, and among African-American applicants in New York, New Jersey, Connecticut, Massachusetts, Washington DC, North and South Carolina, Florida, and California. Three HIV spatial clusters were found among whites: New York/New Jersey, southern California, and in south and central Texas. Among African-Americans, three HIV spatial clusters were found: New York/New Jersey, Washington DC/Virginia, and south and central California. The South accounted for a significant proportion of HIV-infected African-American applicants.