| # | State | Population (July 1, 2010) | County | % Correct |
|---|---|---|---|---|
| 1 | California | 9,826,773 | Los Angeles County | 91%
|
| 9 | Texas | 2,375,207 | Dallas County | 72%
|
| 2 | Illinois | 5,199,971 | Cook County | 70%
|
| 6 | California | 3,017,598 | Orange County | 68%
|
| 8 | Florida | 2,503,034 | Miami-Dade County | 63%
|
| 10 | New York | 2,233,895 | Queens County | 61%
|
| 5 | California | 3,105,115 | San Diego County | 57%
|
| 7 | New York | 2,508,515 | Kings County | 53%
|
| 4 | Arizona | 3,824,834 | Maricopa County | 50%
|
| 3 | Texas | 4,109,362 | Harris County | 46%
|