The 1928 Württemberg state election was held on 20 May 1928 to elect the 80 members of the Landtag of the Free People's State of Württemberg.[1]
| Party | Votes | % | Seats | +/– | |
|---|---|---|---|---|---|
| Social Democratic Party of Germany | 267,077 | 23.8 | 22 | +9 | |
| Centre Party | 219,846 | 19.6 | 17 | 0 | |
| Württembergischer Bauern- und Weingärtnerbund | 202,481 | 18.1 | 16 | –1 | |
| German Democratic Party | 113,196 | 10.1 | 8 | –1 | |
| Communist Party of Germany | 82,525 | 7.4 | 6 | –4 | |
| German National People's Party | 64,131 | 5.7 | 4 | New | |
| German People's Party | 57,758 | 5.2 | 4 | +1 | |
| Christian Social People's Service | 43,440 | 3.9 | 3 | New | |
| Reich Party for Civil Rights and Deflation | 37,098 | 3.3 | 0 | New | |
| Nazi Party | 20,342 | 1.8 | 0 | New | |
| Reich Party of the German Middle Class | 12,226 | 1.1 | 0 | New | |
| Christlich-Soziale Reichspartei | 973 | 0.1 | 0 | New | |
| Invalid/blank votes | 30,811 | – | – | – | |
| Total | 1,151,904 | 100 | 80 | 0 | |
| Registered voters/turnout | 1,653,216 | 69.7 | – | – | |
| Source: Elections in Germany | |||||
| Party | Seats | |
|---|---|---|
| Social Democratic Party of Germany | 21 | |
| Centre Party | 16 | |
| Württembergischer Bauern- und Weingärtnerbund | 15 | |
| German Democratic Party | 8 | |
| Communist Party of Germany | 6 | |
| German National People's Party | 4 | |
| German People's Party | 4 | |
| Christian Social People's Service | 3 | |
| Reich Party for Civil Rights and Deflation | 2 | |
| Nazi Party | 1 |