· Number of residents: 105 300 (data from 31.12.2007)
· Area: 6940 ha ~ 70 km2
· Number of aldermen: 25
· Unemployment rate: 8,4% (July 2007)
· Number of registered business entities: 11 287
· Number of banks which have their branch in Kalisz: 28
· Number of non-governmental organisations: 158
· Number of students: 11 249 (academic year 2005/2006)
· Number of pupils of secondary schools: 10 939
· Number of pupils of grammar schools: 3 607
· Number of pupils of primary schools: 6 082
· Number of registered cars: 43 486 (end of 2006)
· Number of all registered vehicles: 54 406
· Number of streets: 549
· Length of streets: 312 km
· Length of bus lines: 378 km / total length of KBL lines: 553 km
· Number of bus stops of Kalisz Bus Lines: 274 / total number of KBL bus stops: 455