A blank map of United States counties.  Every county's object in this SVG has its object name in the form of "XX Name" with "XX" being the state's postal abbreviation, and the "Name" being its name (Apostrophes omitted).
Note: To disambiguate from cities and counties that have the same name within a state, some objects may have "_City" or "_Co." respectively appended onto the end of the object name.
Examples:

Mercer Co., New Jersey is "NJ_Mercer"
Prince George's Co., Maryland is "MD_Prince_Georges"
Saint Louis (county), Missouri is "MO_St._Louis_Co."
Any issues, contact my Wikipedia talk page and I'll try to correct it the best I can.
Mostly based off of Image:USA Counties.svg, but with black lines between counties removed to save space, and county names as each object's name.  Created by me in Inkscape.
Mr. Matté (if there is an issue with this image, contact me using this image's Commons talk page, my Commons user talk page, or my English Wikipedia user talk page; I'll know about it a lot faster)