New Castle, Pennsylvania Kennedy Square in downtown New Castle
|Nickname: Fireworks Capital of America| |Area||8.6 sq mi (22
km2)| |- land||8.5 sq mi (22 km2)| |- water||0.1 sq mi (0 km2)|
|Density||2,738 / sq mi (1,057 / km2)| |- Incorporated
(borough)||1802| |- Incorporated (city)||1869| |Mayor||Anthony
G. Mastrangelo (D)| |- summer (DST)||EDT (UTC-5)| |Area
code||724, 878| New Castle is a city in Lawrence County,
Pennsylvania, United States, 50 miles (80 km) northwest of
Pittsburgh and near the Pennsylvania-Ohio border just 18 miles
(29 km) east of Youngstown, Ohio; in 1910, the total population
was 36,280; in 1920, 44,938; and in 1940, 47,638. The population
has fallen to 23,128 according to the 2011 census. It is the
county seat of Lawrence County. New Castle is the principal city
of the New Castle micropolitan area and a part of the
Pittsburgh-New Castle Combined Statistical Area, which is the
18th largest in the United States. It is the commercial center
of a fertile agricultural region. In 1798, John