Sorted by population.
| County | Population | Median HHI |
|---|---|---|
| St. Louis County MO |
954,325 | $88,181 |
| Jackson County MO |
693,017 | $70,364 |
| St. Charles County MO |
408,274 | $104,604 |
| Clay County MO |
299,097 | $89,759 |
| Jefferson County MO |
282,941 | $85,183 |
| Greene County MO |
277,429 | $59,403 |
| St. Louis city MO |
276,032 | $56,027 |
| Boone County MO |
180,721 | $69,552 |
| Christian County MO |
156,433 | $75,263 |
| Cass County MO |
140,470 | $94,862 |
| Jasper County MO |
139,353 | $59,796 |
| Franklin County MO |
121,097 | $96,813 |
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.