Question: The Windsor Avenue Congregational Church is historic church in a city with a population of what as of 2010?

Context paragraphs:
Copperopolis Congregational Church: Copperopolis Congregational Church (also known as Copperopolis Community Center) is a historic church building at 411 Main Street in Copperopolis, California.  The church was built in 1866 and designed in the Gothic Revival style; it is the only Gothic Revival building remaining in Copperopolis and one of two in Calaveras County.  The brick church features a Gothic arch entrance and windows, a gable roof, and a bell tower.  The church held Congregational services until it was leased to the Presbyterian Church; it became a Congregational church again in 1874 and remained so until 1895.  In 1903, the Independent Order of Odd Fellows bought the church and converted it to a lodge hall.  The Odd Fellows owned the church until 1939, when it became a community center.

Windsor Avenue Congregational Church: The Windsor Avenue Congregational Church is historic church at 2030 Main Street in Hartford, Connecticut.  The brick Romanesque Revival-style church building now houses the Faith Congregational Church, whose lineage includes the city's oldest African-American congregation.  The current congregation has been at this location since Talcott Street Congregational Church merged with Mother Bethel Methodist Church in 1953 to become Faith Congregational Church.  The building was designed by Hartford architect Samuel J. F. Thayer and built in 1871–72.  The founding congregation merged with another congregation in 1954 to form the Horace Bushnell Congregational Church, which is located in the former Fourth Congregational Church building at Albany and Vine Streets.

Allston Congregational Church: Allston Congregational Church is a historic Congregational church building at 31-41 Quint Avenue in Boston, Massachusetts.  The Romanesque church was designed by Allston native Eugene Clark built in 1890-91.  The property includes a Shingle style parsonage built about the same time.  The buildings were listed on the National Register of Historic Places in 1997.  The church was closed in 2003 when its congregation was merged with Brighton Evangelical Congregational Church to form the Brighton Allston Congregational Church.  The building now houses a mosque and the Palestinian Cultural Center for Peace.

First Baptist Congregational Church: First Baptist Congregational Church is a United Church of Christ and Baptist congregation currently located at 60 N. Ashland Blvd. in Chicago, Illinois, United States.  The church building is an Illinois Historic Landmark and is listed on the National Register of Historic Places.  The building was designed by architect Gurdon P. Randall for the Union Park Congregational Church, founded in 1860, and was built between 1869 and 1871.  After the Great Chicago Fire of 1871, the Mayor's Office, City Council, and General Relief Committee of Chicago were temporarily headquartered in the church.  In 1910, the building of nearby First Congregational Church (founded in 1851) burnt down.  Union Park Congregational then merged with First Congregational to form (New) First Congregational Church.  Two other congregations would eventually merged into the new First Congregational Church: Leavitt Street Congregational Church (founded in 1868) in 1917 and Bethany Congregational Church in the 1920s.

Eliot Congregational Church: Eliot Congregational Church ("Walnut Avenue Congregational Church" or "Eliot United Church of Christ") is an historic Congregational church at 56 Dale Street, at the corner of 118-120 Walnut Street in Boston, Massachusetts.  The main church building was designed by J. Williams Beal and built in 1873.  It is built out of Roxbury puddingstone.  A second chapel was added in 1889, and a two-story addition was added 1899-1915.  The main chapel has a stained glass window manufactured by the studio of Louis Comfort Tiffany.

First Congregational Church (Berkshire, New York): First Congregational Church is an evangelical, historic Congregational church located at Berkshire in Tioga County, New York.  The first "Berkshire" Congregational Church was founded in 1803, and continues now in Newark Valley.  The whole area now comprising Richford, Berkshire and Newark Valley had comprised only one town, Berkshire, originally.  The present-day Berkshire Congregational Church was established in 1833, as a natural outgrowth of the one in Newark Valley.

Belleville Avenue Congregational Church: Belleville Avenue Congregational Church is a historic church at 151 Broadway in Newark, Essex County, New Jersey, United States.

Hartford, Connecticut: Hartford is the capital of the U.S. state of Connecticut.  It was the seat of Hartford County until Connecticut disbanded county government in 1960.  As of the 2010 Census, Hartford's population was 124,775, making it Connecticut's third-largest city after the coastal cities of Bridgeport and New Haven.  Census Bureau estimates since then have indicated Hartford's fall to fourth place statewide, as a result of sustained population growth in the coastal city of Stamford.

Fourth Congregational Church: The Fourth Congregational Church, also known historically as the Horace Bushnell Congregational Church and now as the Liberty Christian Church, is a historic church at Albany Avenue and Vine Street in Hartford, Connecticut.  The church building was built in 1913-14 using parts of an older Greek Revival church, and was listed on the National Register of Historic Places in 1982 for its architecture and role in local historical preservation efforts.

North Avenue Congregational Church: North Avenue Congregational Church (now known as Prospect Hall, and previously as Old Cambridge Baptist Church and North Prospect Congregational Church) is a historic church meetinghouse at 1801(previously at 1803) Massachusetts Avenue in Cambridge, Massachusetts.  It is currently under renovation to become a library for Lesley University as part of the Lunder Arts Center complex.

Supporting paragraphs: Windsor Avenue Congregational Church Hartford, Connecticut
Answer: 124,775