Editing Calw (section)

===Population===
Populations within the town limits of Calw as defined for each date; the numbers are estimates or census results of the respective statistical agencies (by primary residence):

Data sources: census results (¹) or data from statistical offices
{|
|-
| valign="top" |
{| class="wikitable"
|-
! Year/Date
! Inhabitants
|-
| 1525 || style="text-align:right;"| approx 1,500
|-
| 1622 || style="text-align:right;"| 2,545
|-
| 1702 || style="text-align:right;"| 1,896
|-
| 1803 || style="text-align:right;"| 3,199
|-
| 1849 || style="text-align:right;"| 4,529
|-
| 1 December 1871 || style="text-align:right;"| 5,582
|-
| 1 December 1880 ¹ || style="text-align:right;"| 4,662
|-
| 1 December 1890 ¹ || style="text-align:right;"| 4,522
|-
| 1 December 1900 ¹ || style="text-align:right;"| 4,943
|-
| 1 December 1910 ¹ || style="text-align:right;"| 5,595
|-
| 16 June 1925 ¹ || style="text-align:right;"| 5,681
|-
| 16 June 1933 ¹ || style="text-align:right;"| 5,478
|-
| 17 May 1939 ¹ || style="text-align:right;"| 6,160
|}
| valign="top" |
{| class="wikitable"
|-
! Year/Date
! Inhabitants
|-
| 1946 || style="text-align:right;"| 6,795
|-
| 13 September 1950 ¹ || style="text-align:right;"| 7,416
|-
| 6 June 1961 ¹ || style="text-align:right;"| 9,690
|-
| 27 May 1970 ¹ || style="text-align:right;"| 13,075
|-
| 31 December 1975 || style="text-align:right;"| 21,561
|-
| 31 December 1980 || style="text-align:right;"| 23,165
|-
| 27 May 1987 ¹ || style="text-align:right;"| 21,018
|-
| 31 December 1990 || style="text-align:right;"| 22,668
|-
| 31 December 1995 || style="text-align:right;"| 23,709
|-
| 31 December 2000 || style="text-align:right;"| 23,357
|-
| 31 December 2005 || style="text-align:right;"| 23,828
|-
| 31 December 2010 || style="text-align:right;"| 23,230 <!-- Quelle: Statistisches Landesamt B-W. -->
|-
| 31 December 2015 || style="text-align:right;"| 23,232
|}
|}