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| Historical populations |  
| Census | Pop. | %± |  
| 1801 | 114,452 | — |  
| 1811 | 124,718 | 9.0% |  
| 1821 | 144,930 | 16.2% |  
| 1831 | 159,385 | 10.0% |  
| 1841 | 175,274 | 10.0% |  
| 1851 | 184,380 | 5.2% |  
| 1861 | 189,015 | 2.5% |  
| 1871 | 195,774 | 3.6% |  
| 1881 | 191,028 | −2.4% |  
| 1891an. | 194,568 | 1.9% |  
| 1891ad. | 191,992 | −1.3% |  
| 1901 | 200,311 | 4.3% |  
| 1911 | 220,514 | 10.1% |  
| 1921 | 224,731 | 1.9% |  
| 1931 | 239,352 | 6.5% |  | Note: 1801-1891 Ancient county, 1891-1931 Administrative county Source: Histpop 1931 Census
 |  In Dorset, as with the rest of England, census records that recorded the names of individuals begin in 1841 and every 10 years thereafter. 
 Main article: England Census
 The earlier 1801 to 1831 census records were mainly statistical. The table shown on the right list the population of Dorset at each census.
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