| Statistic | Zihlman | Maryland | National | 
| Population | 347 | 6,045,680 | 328,239,523 | 
| Population density (sq mi) | 230 | 627 | 91 | 
| Median age | 42.6 | 38.3 | 37.7 | 
| Male/Female ratio | 1.4:1 | 0.9:1 | 1.0:1 | 
| Married (15yrs & older) | 70% | 54% | 55% | 
| Families w/ Kids under 18 | 31% | 44% | 43% | 
| Speak English | 98% | 82% | 79% | 
| Speak Spanish | 2% | 7% | 13% | 

 
				
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				| Race | Zihlman | Maryland | National | 
| White | 97.98% | 57.19% | 73.35% | 
| Black | 0.00% | 29.63% | 12.63% | 
| Asian | 0.00% | 6.08% | 5.22% | 
| American Indian | 0.00% | 0.27% | 0.82% | 
| Native Hawaiian | 0.00% | 0.05% | 0.18% | 
| Mixed race | 2.02% | 3.12% | 3.06% | 
| Other race | 0.00% | 3.67% | 4.75% |