Population ( Source: Statistics Canada 2006 Census )
| Municipality | 2001 | 2006 |
| Ingersoll | 10,977 | 11,760 |
| Tillsonburg | 14,052 | 14,822 |
| Woodstock | 33,061 | 35,480 |
| Township of South West Oxford | 7,782 | 6,910 |
| Township of Norwich | 10,478 | 10,481 |
| Township of Blandford - Blenheim | 7,603 | 7,149 |
| Township of Zorra | 8,052 | 8,125 |
| Township of East Zorra - Tavistock | 7,238 | 7,350 |
| Total Oxford County | 99,270 | 102,077 |
| Age Group | 1991 | 1996 | 2001 | 2006 |
| Age 0-14 | 2,105 | 2,275 | 2,415 | 2,335 |
| Age 15-24 | 1,305 | 1,230 | 1,330 | 1,490 |
| Age 25-44 | 3,060 | 3,255 | 3,345 | 3,340 |
| Age 45-64 | 1,610 | 1,810 | 2,380 | 2,980 |
| Age 65-74 | 710 | 695 | 725 | 810 |
| Age 75+ | 580 | 610 | 785 | 800 |
| Total | 9,370 | 9,875 | 10,980 | 11,760 |
| Year | Population |
| 2005 | 11,412 |
| 2006 | 11,600 |
| 2007 | 11,792 |
| 2008 | 11,986 |
| 2009 | 12,184 |
| 2010 | 12,385 |
| 2011 | 12,589 |
Calculated rate 1.1%
Actual rate ( 1986-1996 ) 1.7%
Actual rate ( 1986-1996 ) 1.7%
| Income | 1991 | 1996 | 2001 | Change (%) |
| Under $10,000 | 120 | 165 | 145 | 20.8% |
| $10,000 - $19,999 | 620 | 585 | 510 | 17.7% |
| $20,000 - $29,999 | 505 | 390 | 470 | 6.9% |
| $30,000 - $39,999 | 450 | 475 | 460 | 2.2% |
| $40,000 - $49,999 | 520 | 440 | 455 | 12.5% |
| $50,000 - $59,999 | 490 | 470 | 410 | 16.3% |
| $60,000 - $69,999 | 230 | 390 | 420 | 82.6% |
| $60,000 - $69,999 | 230 | 390 | 420 | 82.6% |
| $70,000 + | 510 | 805 | 1330 | 21.2% |
| $70,000 - $79,999 | 300 | 335 | 11.7% | |
| $80,000 - $89,999 | 170 | 290 | 70.6% | |
| $90,000 - $99,999 | 85 | 225 | 164.7% | |
| $100,000 + | 250 | 480 | 92.0% | |
| Average Household Income | 43,496 | 49,182 | 57,347 | 31.8% |
| Median Household Income | 40,496 | 46,101 | 51,152 | 26.3% |