Bronx County, New York

Founding: 1914
Parent county: New York

Namesake: The Bronx River
Seat: The Bronx (1914–)

Land area: 57 square miles

Population (2020): 1,472,654

Population (historic): 1,781 (1790); 3,023 (1830); 37,393 (1870); 200,507 (1900); 1,265,258 (1930)

Periods of population growth: pre-1920–1950; 1960s; 1980–2020

Pre-1940 residences (estimated): 208,837 (39.2%)
Pre-1940 housing survival rate: 34.1%

Housing in disrepair (1950): 3.5%

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The Bronx

Namesake: The Bronx River

Founding: 1848 (platting as Morrisania); 1850 (post office); 1898 (incorporation)

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