St. Peter's Cathedral

Name: St. Peter's Cathedral
Address: 511 N Park Ave, Helena, MT 59601, Helena, MT, US
Telephone: (406) 442-5175

Helena, Montana

Address511 N Park Ave, Helena, MT 59601

DenominationCatholic

Phone(406) 442-5175

Last updated May 2026

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~990

estimated members

Based on ARDA 2020 data, this is likely one of 9 Catholic congregations in Lewis and Clark County, MT, with an average size of approximately 990 members. Catholic accounts for 36% of the county's 80 congregations.

Source: ARDA 2020 Religious Congregations & Membership Study

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