Cathedral of Saint Peter
Philadelphia, Delaware
Last updated May 2026

~4,293
estimated members
Based on ARDA 2020 data, this is likely one of 34 Catholic congregations in New Castle County, DE, with an average size of approximately 4,293 members. Catholic accounts for 54% of the county's 484 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
Nearby churches in Philadelphia
St. Peter Cathedral School
140 ftCatholic
310 W 6th St
Wilmington Friends Meeting
372 ftQuaker
401 N West St
Temple United Church
385 ft602 Washington St, Wilmington, DE 19801
Wilmington Monthly Meeting of Friends
407 ftQuaker
North West Street
Tabernacle Full Gospel Baptist
480 ftBaptist
501 Washington St #05, Wilmington, DE 19801
Greater St John Baptist Church
663 ftBaptist
504 Jefferson St, Wilmington, DE 19801