| Statistic | Green | Kansas | National | 
| Population | 145 | 2,913,314 | 328,239,523 | 
| Population density (sq mi) | 743 | 36 | 91 | 
| Median age | 28.5 | 36.2 | 37.7 | 
| Male/Female ratio | 0.6:1 | 1.0:1 | 1.0:1 | 
| Married (15yrs & older) | 77% | 59% | 55% | 
| Families w/ Kids under 18 | 51% | 45% | 43% | 
| Speak English | 96% | 89% | 79% | 
| Speak Spanish | 1% | 8% | 13% | 

 
				
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				| Race | Green | Kansas | National | 
| White | 97.93% | 85.19% | 73.35% | 
| Black | 0.00% | 5.79% | 12.63% | 
| Asian | 0.00% | 2.68% | 5.22% | 
| American Indian | 0.00% | 0.82% | 0.82% | 
| Native Hawaiian | 0.00% | 0.06% | 0.18% | 
| Mixed race | 2.07% | 3.31% | 3.06% | 
| Other race | 0.00% | 2.15% | 4.75% |