Start with Carlinville’s actual service area
Carlinville is recorded as a municipality in Macoupin County, Illinois. The 2020–2024 ACS five-year population estimate is 5,480, with a margin of error of 312. That describes the city’s population; it does not establish legal demand, search volume, competition, inquiry volume or staffing requirements. For attribution, the geographic fact matters because a firm should decide whether it wants reporting limited to Carlinville, extended across Macoupin County, or organized around a broader service area. Those are different reporting questions.
Recommended approach
Define the geographic labels that matter before reviewing attribution records. A Carlinville inquiry, a Macoupin County inquiry and an inquiry from elsewhere in Illinois should not be treated as interchangeable if your intake or marketing decisions differ by area.
