Calvary Christian Fellowship of Tucson

Calvary Christian Fellowship of Tucson, known online as Calvary Tucson, is a Calvary Chapel congregation in Tucson, Arizona led by founding pastor Robert Furrow. Furrow started the church in 1985 with six people, including his wife Lisa, in a meeting room at a Residence Inn on East Speedway. Four decades later the church is known for the same thing it started with: verse-by-verse Bible teaching, delivered without production gloss.

Calvary Tucson ranks 24th with an influence score of 70.2 and a total reach of 511,676 followers across three platforms. The distribution is lopsided by design. YouTube is the whole ballgame: @CalvaryTucson holds 472,000 subscribers and grew 47.5 percent over the past year, with new content as recent as June 9, 2026. Facebook adds 33,515 followers and Instagram trails at 6,161. The church has no TikTok account, which sets its breadth score at 82.5 against a velocity score of 70.6.

This is the clearest proof in the index that teaching content scales. Calvary Tucson runs almost no platform diversification, almost no short-form strategy, and an Instagram account smaller than many church plants. It still added roughly 150,000 YouTube subscribers in a year, because long-form expository teaching has a large and underserved audience that search and recommendations keep feeding. The 47.5 percent growth rate at nearly half a million subscribers is harder to achieve than the same rate at fifty thousand. The risk is concentration. One platform holds over 92 percent of this church's digital audience. The opportunity is obvious too: any real effort on the other platforms starts from a proven content engine.