All right, as requested, here is a list of every medalist of the United States so far:
(Note, I went through every medalist, even in teams, so this list will make it look like you have more medals than you actually have)
California
9 Gold (Kim Rhode, Missy Franklin x 2, McKayla Maroney, Alyssa Anderson, Erin Cafaro, Eshter Lofgren, Mary Whipple, Tyler Clary)
1 Silver (Jason Lezak)
5 Bronze (Natalie Coughlin, Missy Franklin, Jessica Hardy, Kara Kohler, Adrienne Martelli)
15 Total
New York
6 Gold (Ryan Lochte x 2, Dana Vollmer x 2, Meghan Musnicki, Caryn Davies)
4 Silver (Jake Kaminski, Cullen Jones, Ryan Lochte x 2)
4 Bronze (Lia Neal, Troy Dumais, Kristian Ipsen, Ryan Lochte)
14 Total
Pennsylvania
3 Gold (Allison Schmitt x 2, Susan Francia)
1 Silver (Allison Schmitt)
2 Bronze (Allison Schmitt, Brendan Hansen)
6 Total
North Carolina
3 Gold (Ricky Berens, Charlie Houchin, Caroline Lind)
1 Silver (Ricky Berens)
1 Bronze (Nick McCrory)
5 Total
Virginia
3 Gold (Gabrielle Douglas x 2, Lauren Perdue)
3 Total
Ohio
2 Gold (Matt McLean, Kayla Harrison)
3 Silver (Jacob Wukle, Abigail Johnston, Nick Thoman)
5 Total
Maryland
2 Gold (Michael Phelps x 2)
2 Silver (Michael Phelps x 2)
1 Bronze (Natalie Dell)
5 Total
Illinois
2 Gold (Matt Grevers, Conor Dwyer)
2 Silver (Kelci Bryant, Matt Grevers)
4 Total
Tennessee
2 Gold (Davis Tarwater, Kristin Armstrong)
2 Total
Washington
1 Gold (Nathan Adrian)
1 Silver (Nathan Adrian)
1 Bronze (Marti Malloy)
3 Total
Hawaii
1 Gold (Kyla Ross)
1 Silver (Jimmy Feigen)
2 Total
New Jersey
1 Gold (Rebecca Soni)
1 Silver (Rebecca Soni)
2 Total
Florida
1 Gold (Vincent Hancock)
1 Bronze (Danell Levya)
2 Total
Michigan
1 Gold (Jordyn Wieber)
1 Bronze (Peter Vanderkaay)
2 Total
Colorado
1 Gold (Taylor Ritzel)
1 Total
Maine
1 Gold (Elle Logan)
1 Total
Massachusetts
1 Gold (Alexandra Raisman)
1 Total
Missouri
1 Gold (Shannon Vreeland)
1 Total
Arizona
1 Silver (Brady Ellison)
1 Bronze (Caitlin Leverenz)
2 Total
Rhode Island
1 Silver (Elizabeth Beisel)
1 Total
Iowa
1 Bronze (Amanda Weir)
1 Total
Minnesota
1 Bronze (Megan Kalmoe)
1 Total
Texas
1 Bronze (David Boudia)
1 Total