Top 25 US jurisdictions by percent under 18 in married couple families
Census 2000 Data
| Rank | Area Name | Percent |
| 1 | Charles
County |
20.8% |
|---|---|---|
| 2 | Carroll County |
19.0% |
| 3 | St.
Mary's County |
19.0% |
| 4 | Prince George's County |
19.0% |
| 5 | Harford County |
18.9% |
| 6 | Calvert County |
18.9% |
| 7 | Anne
Arundel County |
18.7% |
| 8 | Frederick
County |
18.6% |
| 9 | Howard
County |
18.5% |
| 10 | Cecil
County |
18.5% |
| 11 | Wicomico County |
18.4% |
| 12 | Caroline
County |
18.3% |
| 13 | Queen
Anne's County |
17.4% |
| 14 | Dorchester County |
17.2% |
| 15 | Baltimore
County |
17.1% |
| 16 | Washington County |
17.0% |
| 17 | Montgomery
County |
16.9% |
| 18 | Garrett
County |
16.9% |
| 19 | Somerset
County |
16.4% |
| 20 | Allegany County |
16.4% |
| 21 | Baltimore (City) |
16.0% |
| 22 | Worcester County |
14.9% |
| 23 | Kent
County |
14.6% |
| 24 | Talbot
County |
14.6% |
| Source: U.S. Bureau of the Census; Montgomery County Department of Park and Planning, Research and Technology Center. | ||