Oasis Seventh-day Adventist Church
Portland, Tennessee
Last updated September 2026
100-500
estimated members
This is likely one of 7 Seventh-day Adventist congregations in Sumner County, TN. Seventh-day Adventist accounts for 3% of the county's 216 congregations.
This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.
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