Start with the Fort Gratiot service area, not a population assumption
Fort Gratiot is a municipal-town in St. Clair County. The Census estimate identifies the place and its county relationship, but it does not show how many people search for a lawyer, which practice areas are active, or whether Local Service Ads will produce qualified inquiries. Treat Fort Gratiot as one geographic scope to evaluate rather than as evidence that advertising will work. The firm should also define whether it serves only Fort Gratiot or a broader territory that includes other communities in St. Clair County and elsewhere. Those are separate targeting decisions.
Recommended approach
Before launch, document the locations your firm actually serves, the matters it accepts, and any locations it does not want to target. Compare that service map with the geographic settings available for the profile. Keep the Fort Gratiot location distinct from St. Clair County and from any wider Michigan coverage so later reporting does not blur place-level observations with county- or state-level results.
