Probably at least five to ten times that many, since most illegal aliens have no incentive to get a driver's license. If an illegal alien gets pulled over without a license, registration, or insurance, most police departments have made it to their policy to just let the illegal alien go, often without even so much as a citation if the illegal alien is at fault for a traffic accident. It is anarchy in the making.
New Mexico has the highest proportion of people identifying themselves as Hispanic/Latino: 43%. Half of those would be illegal aliens, which means that state has over 20% population who shouldn't be there. Has New Mexico become the first openly "Sanctuary State"? I have heard that Bill Richardson wouldn't have had a chance in hell of obtaining the governorship had he not trumpeted his Mexican background.