1. Start with the geography your firm actually serves
Coralville is a municipality in Johnson County, Iowa. The 2020–2024 ACS five-year estimate records 23,234 residents, with a margin of error of 34. That is context for defining an eligible local audience—not evidence of legal demand, search volume, competition, lead volume or revenue. Your attribution design should therefore preserve the difference between a Coralville inquiry, a Johnson County inquiry and an inquiry from another location. A single “local” label can hide important differences in service area and campaign intent.
Recommended approach
Decide which geographic distinctions matter before reviewing performance. At minimum, ask whether your team needs to identify Coralville landing pages or inquiries separately from other Johnson County activity. Do not use the population figure to forecast case volume. Use it only as a reason to make geographic reporting precise enough to support a real business decision.
