Utilizing the most recent census information, Wahlstrom maintains a database of over 3500 demographic variables and life style cluster group data (psychographics) for each zip code in the United States. This data is aggregated by directory (based on coverage by zip code) to quantify prospects.

Wahlstrom partners with clients in more diverse areas beyond Yellow Pages planning. This has included site planning analysis and direct marketing applications. All demographic data can be visualized via computer mapping.