Sorted by population.
| County | Population | Median HHI |
|---|---|---|
| Baltimore County MD |
1,222,880 | $90,950 |
| Montgomery County MD |
1,094,549 | $133,641 |
| Prince George's County MD |
854,289 | $103,043 |
| Anne Arundel County MD |
646,082 | $121,414 |
| Frederick County MD |
300,783 | $127,772 |
| Baltimore city MD |
289,078 | $59,993 |
| Howard County MD |
262,462 | $155,150 |
| Harford County MD |
239,517 | $113,157 |
| Charles County MD |
220,971 | $125,578 |
| Carroll County MD |
177,007 | $125,608 |
| Washington County MD |
143,759 | $72,872 |
| Cecil County MD |
102,936 | $93,120 |
In alphabetical order; geographic adjacency layer planned for v1.1.
Every value drawn from the same federal-source warehouse that powers individual place profiles. See data sources for the full dictionary, methodology for metric definitions.