| Index | Zihlman | Maryland | National |
| Income per capita | $36,030 | $55,489 | $44,883 |
| Median household income | $67,008 | $112,126 | $81,333 |
| Median income owner occupied | $74,020 | $142,381 | $106,172 |
| Median income renter occupied | $0 | $70,540 | $52,080 |
| Median earnings male | $58,058 | $69,331 | $54,343 |
| Median earnings female | $63,823 | $51,519 | $38,439 |
| Unemployment rate | 2.8% | 4.8% | 4.9% |
| Poverty level | 5.2% | 9.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 15.7% | 15.7% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 5.9% | 5.9% |
| Public administration | 26.5% | 26.5% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 17.6% | 17.6% |
| Other | 34.3% | 34.3% |
| City | Population | Household Income | National Avg. |
| Shaft, MD | 300 | $194,857 | 139.6% |
| Vale Summit, MD | 140 | $182,526 | 124.4% |
| Callimont, PA | 52 | $138,774 | 70.6% |
| Gilmore, MD | 315 | $135,791 | 67.0% |
| Finzel, MD | 888 | $116,106 | 42.8% |
| Zihlman, MD | 361 | $67,008 | 17.6% |
| City | Population | Household Income | National Avg. |
| Coleville, CA | 361 | $0 | 100.0% |
| Lockwood, CA | 361 | $120,208 | 47.8% |
| Kilbourne, IL | 361 | $49,649 | 39.0% |
| Earl Park, IN | 361 | $80,048 | 1.6% |
| Milford, KS | 361 | $69,218 | 14.9% |
| Zihlman, MD | 361 | $67,008 | 17.6% |