| Natural Change | 23 |
| equals Births | 1,827 |
| less Deaths | 1,804 |
| Net Migration | -1,302 |
| equals net International Migration | 26 |
| plus net Domestic Migration | -1,328 |
| Table 1. Population | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Chg 10-15 | %Chg 10-15 |
| Lee County, IL | 17103 | P0000001 | 35,930 | 35,531 | 35,113 | 35,019 | 34,886 | 34,584 | -1,346 | -3.75 |
| Table 2. Births | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Lee County, IL | 17103 | B0000001 | 272 | 350 | 373 | 363 | 370 | 371 | 1,827 | |
| Table 3. Deaths | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Lee County, IL | 17103 | D0000001 | 176 | 371 | 334 | 360 | 364 | 375 | 1,804 | |
| Table 4. Natural Change | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Lee County, IL | 17103 | NC000001 | 96 | -21 | 39 | 3 | 6 | -4 | 23 | |
| Table 5. International Migration | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Lee County, IL | 17103 | MI000001 | 0 | 3 | 4 | 5 | 7 | 7 | 26 | |
| Table 6. Domestic Migration | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Lee County, IL | 17103 | MD000001 | -452 | -388 | -468 | -57 | -123 | -292 | -1,328 | |
| Table 7. Net Migration | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Lee County, IL | 17103 | MN000001 | -452 | -385 | -464 | -52 | -116 | -285 | -1,302 | |
| Table 8. Group Quarters | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Chg10-15 | %Chg 10-15 |
| Lee County, IL | 17103 | GQ000001 | 2,872 | 2,927 | 2,882 | 3,045 | 3,048 | 3,052 | 180 | 6.27 |