Bryan and College Station are predominantly Christian, with Baptists being the most prominent denomination. There is also an Islamic presence, a few Jewish congregations, and some others.
For more information regarding on-campus services, check out Student Life here.
There are numerous Christian churches and community centers near campus, including those that line Church street north of campus.
Baptist Student Center on Church Street: http://aggiebsm.org/
St. Mary's Catholic Center on Church Street: https://www.aggiecatholic.org/
A&M United Methodist Church and Student Center on Church Street: https://www.am-umc.org/
University Lutheran Church on College Main: http://www.ulctamu.org/
United Campus Ministry (Presbyterian Church and United Church of Christ): https://aggieucm.org/
The Church of Jesus Christ of Latter-day Saints on Dexter Drive: http://www.churchofjesuschrist.org/
Islamic Community of Bryan-College Station (ICBCS) at Stasney and Cherry Street: https://www.icbcs.org/
The Rohr Chabad Jewish Center at Texas A&M on Live Oak Street: https://www.jewishaggies.com/