Start with the geography your firm actually serves
The Census records Mercerville as a census-designated place in Mercer County. A law firm may serve Mercerville while also accepting matters from elsewhere in Mercer County or other parts of New Jersey. Those are different geographic questions. A dashboard review should therefore distinguish a Mercerville target from a countywide or statewide target rather than treating every inquiry as interchangeable. The population estimate provides context for the place; it does not establish how many people search for legal help, how many competitors operate nearby or how many matters a firm can obtain.
Recommended approach
Before evaluating a dashboard, write down the geographic labels that should appear in reporting: Mercerville, Mercer County, New Jersey, and any other area your firm intentionally serves. Ask how a location is assigned to a keyword, page, call or lead, and decide whether a city-level view is useful for your practice. Do not use the Census estimate as a forecast.
