1. Start with the geography your firm actually serves
The Census identifies Methuen as a municipality in Essex County, Massachusetts. A Methuen location page should therefore distinguish the city from the county and from any broader Massachusetts service area. Those places are not interchangeable. If your firm serves Methuen but not every community in Essex County, the site should say so accurately. If you serve clients throughout Massachusetts, that broader relationship should be described separately. Population alone cannot determine where prospective clients come from or whether a particular location page is justified.
Recommended approach
Review your intake records, service-area policy and attorney licensing scope before choosing geographic coverage. Decide which locations deserve dedicated explanations, which belong in a broader service-area section, and which should not be represented. Keep Methuen-specific language tied to services you actually provide there.
