Alterations to the municipalities in the Population Censuses since 1842
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Province: 9 Burgos
Municipality: 09178 Ibrillos
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Census |
1842
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1857
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1860
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1877
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1887
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1897
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1900
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1910
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1920
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1930
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1940
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1950
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1960
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1970
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1981
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1991
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2001
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2011
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2021
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| De facto population |
..
|
258
|
245
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208
|
241
|
229
|
233
|
245
|
283
|
312
|
309
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269
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226
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198
|
126
|
90
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..
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..
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..
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| De jure population |
106
|
..
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..
|
207
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240
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234
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239
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243
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280
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331
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327
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284
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230
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202
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148
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116
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97
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61
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37
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| Households |
38
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53
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56
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62
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58
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59
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58
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61
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67
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69
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66
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65
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59
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57
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43
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37
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35
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25
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23
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| NOTES (see methodology): |
| Symbols described in methodology |
| .. Non-existence or lack of information. |
| In the 2001 Census, lthe population that appears as the resident population is equivalent to the de jure population. |
| The households line includes similar, but not identical, concepts in each Census. |
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