Top 25 U.S. jurisdictions by one-person households
Maryland jurisdictions, Census 2000 Data
| Rank | Area Name | Percent |
| 1 | Kalawao County, HI | 79.1% |
|---|---|---|
| 2 | New York County, NY | 48.0% |
| 3 | Arlington County , VA | 40.8% |
| 4 | Denver County, CO | 39.3% |
| 5 | San Francisco County, CA | 38.6% |
| 6 | San Juan County, CO | 36.8% |
| 7 | Suffolk County, MA | 36.3% |
| 8 | Nelson County, ND | 36.3% |
| 9 | Esmeralda County, NV | 36.0% |
| 10 | Comanche County, KS | 35.9% |
| 11 | Sierra County, NM | 35.9% |
| 12 | Keweenaw County, MI | 35.8% |
| 13 | Pitkin County, CO | 35.8% |
| 14 | Harding County, NM | 35.3% |
| 15 | Osborne County, KS | 35.2% |
| 16 | Denali Borough, AK | 35.0% |
| 17 | Jackson County, IL | 34.9% |
| 18 | Wheatland County, MT | 34.5% |
| 19 | Gogebic County, MI | 34.2% |
| 20 | Eddy County, ND | 34.2% |
| 21 | Pinellas County, FL | 34.1% |
| 22 | Gregory County, SD | 33.9% |
| 23 | Philadelphia County, PA | 33.8% |
| 24 | Iron County, MI | 33.7% |
| 25 | Ohio County, WI | 33.7% |
| 1,929 | Montgomery County | 24.4% |
Source: U.S. Bureau of the Census, 2000 Census; Montgomery County Department of Park and Planning, Research and Technology Center. |
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Montgomery County Planning Department