Table 1. Unweighted percentage of respondents in each demographic category from MTurk survey and SurveyUSA along with the 2010 US Census targets.
| Category | Value | MTurk | SurveyUSA | Census 2010 |
| Age | 18–24 | 30.52 | 2.77 | 13.08 |
| 25–34 | 30.11 | 5.17 | 17.51 | |
| 35–44 | 18.51 | 8.38 | 17.52 | |
| 45–54 | 12.41 | 17.25 | 19.19 | |
| 55–64 | 7.02 | 22.09 | 15.56 | |
| 65–74 | 0.92 | 20.40 | 9.26 | |
| 75+ | 0.51 | 23.94 | 7.88 | |
| Sex | Male | 41.30 | 37.38 | 48.52 |
| Female | 58.70 | 62.62 | 51.46 | |
| Race/ethnicity | White | 77.72 | 85.03 | 66.97 |
| Black | 7.53 | 7.45 | 11.65 | |
| Hispanic | 5.60 | 3.16 | 14.22 | |
| Asian | 6.71 | 1.41 | 1.93 | |
| Other | 2.44 | 8.50 | 5.23 | |
| Region | Northeast | 19.63 | 18.72 | 17.65 |
| South | 36.42 | 37.70 | 38.78 | |
| Central | 22.38 | 28.18 | 21.45 | |
| West | 21.57 | 15.40 | 22.11 | |
| Education | Graduate School | 20.40 | 17.01 | 9.61 |
| College Graduate | 16.46 | 24.54 | 18.14 | |
| Some College | 36.81 | 46.13 | 28.48 | |
| No College | 26.33 | 12.32 | 43.76 | |
| Annual Income | < $40,000 | 41.77 | 51.07 | – |
| $40–$80,000 | 35.68 | 32.35 | – | |
| > $80,000 | 22.55 | 16.58 | – |
Note: Some respondents in the Simons & Chabris (2011) SurveyUSA sample did not provide their education or income, so the percentages are out of those who did provide responses.