Adventist Health Clear Lake
Clearlake, California
Address15630 18th Ave
DenominationSeventh-day Adventist
Last updated May 2026
~164
estimated members
Based on ARDA 2020 data, this is likely one of 4 Seventh-day Adventist congregations in Lake County, CA, with an average size of approximately 164 members. Seventh-day Adventist accounts for 3% of the county's 80 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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