As their numbers stall, megachurches seek ‘seekers’

After decades of soaring growth, the phenomenon of Protestant megachurches — behemoths of belief where 2,000 to 20,000 or more people attend weekend worship — may be stalled.

And Willow Creek Community Church in South Barrington, Ill., the granddaddy of "seeker-sensitive" megachurches geared to attract the spiritually curious, is on a mission to rev the engines.

On paper, megachurches look like a trend still on the rise. Their total number rose from 600 in 2000 to more than 1,250 in 2005, says sociologist Scott Thumma of the Hartford Institute for Religion Research in Hartford, Conn.

On Outreach magazine's 2008 list of the largest 100, even the smallest says more than 7,000 people attend. But some of the biggest, including Joel Osteen's Lakewood Church in Houston, with 43,500, showed slight declines.

Experts see more troubling concerns than slowing growth: No measurable inroads on overall church attendance and signs that many churchgoers are spectators, not driving toward a deeper faith. …