{| class="wikitable" 
! style="background:#efefef;" |  Sprog*
! style="background:#efefef;" |  1867<ref name="Riga 1860-1917">''Rīga 1860-1917'', Rīga, Zinātne 1978 {{en sprog}}</ref>
! style="background:#efefef;" |  1881<ref name="Riga 1860-1917"/>
! style="background:#efefef;" |  1897<ref name="Riga 1860-1917"/>
! style="background:#efefef;" |  1913<ref name="Riga 1860-1917"/>
! style="background:#efefef;" |  1935<ref name=autogenerated5>[http://www.migrationinformation.org/Profiles/display.cfm?ID=375 www.migrationinformation.org] {{en sprog}}</ref>
! style="background:#efefef;" |  1939<ref name="lituanus">{{Cite web |url=http://www.lituanus.org/1980_4/80_4_10.htm |title=Demography and Russification in the Baltic States: The Case of Latvia<!-- Robotgenereret titel --> |access-date=17. september 2008 |archive-date=20. juli 2008 |archive-url=https://web.archive.org/web/20080720183815/http://www.lituanus.org/1980_4/80_4_10.htm |url-status=dead }}</ref>
! style="background:#efefef;" |  1959<ref name="lituanus"/><ref name=autogenerated2>[http://www.latvians.com/en/Reading/AttitudesNationalities/envelope-LATV.php?./LATV-04-A-04-General-Information_Demography.ssi www.latvians.com] Russere i Riga</ref>
! style="background:#efefef;" |  1970<ref name="lituanus"/><ref name=autogenerated2 /> 
! style="background:#efefef;" |  1989<ref name=autogenerated5 />
! style="background:#efefef;" |  2000<ref name=autogenerated5 />
! style="background:#efefef;" |  2006
|- align="right"
| align=left | [[Tysk (sprog)|Tysk]]
| 43.980 (42,9%) || 66.775 (39,4%) || &nbsp;65.332 (25,5%) || &nbsp;78.656 (16,7%) || 12% || ... || ... || ... || ... || ... || ... 
|- align="right"
| align=left | [[Lettisk (sprog)|Lettisk]]
| 24.199 (23,6%) || 49.974 (29,5%) || 106.541 (41,6%) || 187.135 (39,6%) || 63% || 64% || 45% || 40% || 36%|| 41%|| 43%
|- align="right"
| align=left | [[Russisk (sprog)|Russisk]]
| 25.772 (25,1%) || 31.976 (18,9%) || &nbsp;43.338 (16,9%) || &nbsp;99.985 (21,2%) || 9% || ... || 45% || 41% ||  47% || 44% || 42%
|- align="right"
| align=left | [[Jiddisch]]/[[Jødedom|jødisk]]
| &nbsp;5.254 (&nbsp;5,1%) || 14.222 (&nbsp;8,4%) || 16.521 (&nbsp;6,5%) || 21.231 (&nbsp;4,5%) || ... || ... || ... || ... || ... || ... || 1%
|- align="right"
| align=left | [[Estisk (sprog)|Estisk]]
| &nbsp;&nbsp;&nbsp;872 (&nbsp;0,9%) || &nbsp;1.565 (&nbsp;0,9%) || &nbsp;3.532 (&nbsp;1,4%) || &nbsp;6.721 (&nbsp;1,4%) || ... || ... || ... || ... || ... || ... || ... 
|- align="right"
| align=left | [[Polsk (sprog)|Polsk]]
| &nbsp;&nbsp;&nbsp;... || &nbsp;&nbsp;&nbsp;... || 12.869 (&nbsp;5,0%) || 35.621 (&nbsp;7,5%) || ... || ... || ... || ... || ... || ... || 2%
|- align="right"
| align=left | [[Litauisk (sprog)|Litauisk]]
| &nbsp;&nbsp;&nbsp;... || &nbsp;&nbsp;&nbsp;... || &nbsp;5.853 (&nbsp;2,3%) || 25.824 (&nbsp;5,5%) || ... || ... || ... || ... || ... || ... || ... 
|- align="right"
| align=left | Øvrige[[#indbyggernote|**]]
| &nbsp;2.513 (&nbsp;2,4%) || &nbsp;4.048 (&nbsp;2,4%) || &nbsp;1.772 (&nbsp;0,7%) || 16.895 (&nbsp;3,6%) || 16% || 36% || 10% || 19% || 17% || 15% || 12%
|- align="right"
| align=left | Ikke oplyst
| &nbsp;&nbsp;&nbsp;... || &nbsp;&nbsp;&nbsp;769 (&nbsp;0,5%) || &nbsp;&nbsp;&nbsp;130 (&nbsp;0,1%) || &nbsp;&nbsp;&nbsp;... || ... || ... || ... || ... || ... || ... || ...
|- style="background:#efefef;" align="right"
| align=left | '''I alt'''
| '''102.590 (100%)''' || '''169.329 (100%)''' || '''255.879 (100%)''' || '''472.068 (100%)''' || '''...''' || '''...''' || '''580.400''' || '''731.800''' || '''...''' || '''764.329''' || '''727.578'''
|}
<span id="indbyggernote">*</span><small>Data for 1881-1913 er opgjort på samme måde, mens de øvrige data ikke er.</small>
<span id="indbyggernote">**</span><small>Data inkluderer alle sprog/nationaliteter der ikke er data for</small>
Historie Foreninger Organisationer