Editing Chojnice (section)

==Demographics==
The population of Chojnice has increased generally since the 18th century. However, [[World War I]] and [[World War II]], reduced the town's population. When the regulations of the [[Treaty of Versailles]] became effective in 1920, many [[ethnic Germans|Germans]] left the town. The influence of World War II is evident in the 1948 census showing that the population was reduced by 1,900 people compared to 1933. After World War II Germans inhabitants either fled or were [[Expulsion of Germans after World War II|expelled]] from the city in accordance with the [[Potsdam Agreement]].

Detailed data as of 31 December 2021:<ref name = population />
{| class="wikitable" style="text-align:right;"
!Description|| colspan=2|All || colspan=2|Women || colspan=2|Men
|-
|Unit || person || percentage || person || percentage || person || percentage
|--
|Population || '''39423''' || 100 || 20414 || 51.8% || 19009 || 48.2%
|--
|Population density || colspan=2| 1872.8|| colspan=2| 969.8|| colspan=2| 903.0
|}

===Number of inhabitants by year===
{{Historical populations|align=left|cols=3|1783|1350|1831|2810|1837|3334|1875|8064|1880|9096|1890|10147|1900|10697|1905|11014|1921|10500|1933|14300|1943|18881|1948|12400|1960|19600|1969|24000|1980|32000|1990|37700|1995|39872|2000|39485|2005|39752|2010|40478|2015|40043|2020|39647
|source=<ref>August Eduard Preuß: ''Preußische Lands- und Volkskunde''. Königsberg 1835, [https://books.google.com/books?id=L_sAAAAAcAAJ&pg=PA384 p. 384, no. 17)].</ref><ref>Johann Gottfried Hofmann: ''Die Bevölkerung des Preußischen Staats 1837''. Berlin 1839, [https://books.google.com/books?id=1wc_AAAAcAAJ&pg=PA104 p. 104].</ref><ref>Michale Rademacher: ''[http://www.verwaltungsgeschichte.de/dan_konitz.html Deutsche Verwaltungsgeschichte - Landkreis Könitz]'' (2006).</ref><ref>Neighborhood Dilemmas: The Poles, the Germans and the Jews in Pomerania Along the Vistula River in the 19th and 20th Century : a Collection of Studies Jan Sziling, Mieczysław Wojciechowski Wydawn. Uniw. Mikołaja Kopernika, 2002 page 12</ref><ref>''Meyers Großes Konversationsa-Lexikon'', 6. Auflage, 11. Band, Leipzig und Wien 1908, p. 395.</ref><ref>''Der Große Brockhaus'', 15. Auflage, 10. Band. Leipzig 1931, p. 389.</ref><ref>''Meyers Enzyklopädisches Lexikon'', 9. Auflage, Band 5, Mannheim Wien Zürich 1978, p. 646.</ref><ref name = population />}}
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