1. Start with the geographic area you actually serve
The U.S. Census Bureau records Twin Falls city as a municipality in Twin Falls County. Its 2020–2024 ACS 5-year population estimate is 54,164, with a margin of error of 45. That is geographic and population context only; it does not establish legal demand, competition, search volume, lead volume or revenue. For Local Service Ads, the more important operational question is whether your service area in and around Twin Falls matches your licensing, staffing and willingness to accept matters. Google’s LSA program uses service areas and proximity among its ranking considerations, so an unnecessarily broad area can create inquiries your firm cannot handle while an unnecessarily narrow area can exclude acceptable clients.
Recommended approach
Define the locations you are prepared to serve before setting targeting. Separate Twin Falls city from Twin Falls County and from any other Idaho communities your firm may consider. Review each practice area independently: the right service area for one category may not be right for another. Treat the Twin Falls population figure as context, not as a forecast.
