| 1 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | Bilsby - Population |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3 | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | Population of Bilsby Civil Parish | - | - | - | - | - |
| 4 | Year | 1801 | 1811 | 1821 | 1831 | 1841 | 1851 | 1881 | 1891 | 1901 | 1911 | 1921 | 1931 | 1951 | 1961 | 2001 | 2011 |
| 5 | Population | 337 | 373 | 416 | 453 | 584 | 611 | 510 | 450 | 387 | 377 | 313 | 318 | 293 | 251 | 415 | 487 |

Question: What are the two most recent years data was collected for the Bilsby Civil Parish, and what was the parish's population during those two years?
Answer: In 2001, the parish had a population of 415, which increased to 487 in 2011.