Top 25 National jurisdictions by percent population under 18
2000
| Rank | US jurisdictions | Percent under 18 years |
| 1 | Wade Hampton Census Area, AK | 46.6% |
|---|---|---|
| 2 | Shannon County, SD | 45.3% |
| 3 | Todd County, SD | 44.0% |
| 4 | Northwest Arctic Borough, AK | 41.5% |
| 5 | Buffalo County, SD | 41.3% |
| 6 | Ziebach County, SD | 40.6% |
| 7 | Sioux County, ND | 40.3% |
| 8 | Bethel Census Area, AK | 39.8% |
| 9 | San Juan County, UT | 39.3% |
| 10 | Menominee County, WI | 38.9% |
| 11 | Dewey County, SD | 38.9% |
| 12 | Juab County, UT | 38.6% |
| 13 | Apache County, AL | 38.5% |
| 14 | North Slope Borough, AK | 38.2% |
| 15 | Dillingham Census Area, AK | 38.1% |
| 16 | McKinley County, AK | 38.0 |
| 17 | Lake and Peninsula Borough, AK | 37.8% |
| 18 | Starr County, TX | 37.4% |
| 19 | Franklin County, ID | 37.3% |
| 20 | Millard County, UT | 37.3% |
| 21 | Nome Census Area, AK | 37.1% |
| 22 | Morgan County, UT | 37.1% |
| 23 | Corson County, SD | 36.9% |
| 24 | Maverick County, TX | 36.9% |
| 25 | Thurston County, NE | 36.8% |
| 1,535 | Montgomery County, MD | 25.4% |
Source: U.S. Bureau of the Census, 2000 Census; Montgomery County Department of Park and Planning, Research and Technology Center. |
||