| Statistic | Vandalia | Michigan | National | 
| Population | 387 | 9,986,857 | 328,239,523 | 
| Population density (sq mi) | 392 | 178 | 91 | 
| Median age | 23.4 | 39.5 | 37.7 | 
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 | 
| Married (15yrs & older) | 64% | 55% | 55% | 
| Families w/ Kids under 18 | 52% | 41% | 43% | 
| Speak English | 91% | 91% | 79% | 
| Speak Spanish | 5% | 3% | 13% | 

 
				
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				| Race | Vandalia | Michigan | National | 
| White | 61.24% | 78.89% | 73.35% | 
| Black | 21.96% | 13.89% | 12.63% | 
| Asian | 3.62% | 2.79% | 5.22% | 
| American Indian | 1.55% | 0.53% | 0.82% | 
| Native Hawaiian | 0.00% | 0.03% | 0.18% | 
| Mixed race | 8.53% | 2.74% | 3.06% | 
| Other race | 3.10% | 1.12% | 4.75% |