On a related note, are there any statistics as to the breakdown of those born in the US by state (in other words, how many Americans were born in New York, California, Texas, etc)?
Born in the US or born in a particular state?
In fact the maps reveal both of those informations.
Here's the percentage of US born citizens (everyone minus immigrants) in a selected few states:
West Virginia: 98%
Mississippi: 98%
Montana: 97%
South Dakota: 97%
Missouri: 96%
Maine: 96%
Kentucky: 96%
Alabama: 96%
Louisiana: 96%
Wisconsin: 95%
Ohio: 95%
Iowa: 95%
Tennessee: 95%
New Hampshire: 93%
Minnesota: 92%
Pennsylvania: 92%
Alaska: 92%
North Carolina: 91%
Utah: 91%
Oregon: 90%
New Mexico: 90%
Colorado: 89%
Georgia: 89%
Virginia: 87%
Connecticut: 86%
Maryland: 85%
Rhode Island: 85%
Arizona: 85%
Illinois: 85%
Washington: 85%
Washington D.C.: 84%
Texas: 83%
Massachusetts: 82%
Hawaii: 80%
Florida: 79%
Nevada: 79%
New Jersey: 77%
New York: 76%
California: 72%