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O Fallon, IL Historical Place of Birth and Citizenship Data
ACS 2010-2014 data
Total population: 29,100
| O Fallon, IL | % | Illinois | U.S. | |
| Native | 27,973 | 96.13%, see rank | 86.11% | 86.93% |
| Born in the State of Residence | 13,554 | 46.58%, see rank | 67.04% | 58.73% |
| Born in Different State | 13,506 | 46.41%, see rank | 18.03% | 26.78% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 913 | 3.14%, see rank | 1.05% | 1.42% |
| Foreign Born | 1,127 | 3.87%, see rank | 13.89% | 13.07% |
| Foreign Born with U.S. Citizenship | 747 | 2.57%, see rank | 6.52% | 5.99% |
| Foreign Born without U.S. Citizenship | 380 | 1.31%, see rank | 7.37% | 7.09% |
| Born In Europe | 275 | 0.95%, see rank | 2.94% | 1.53% |
| Born In Asia | 650 | 2.23%, see rank | 3.90% | 3.82% |
| Born In Africa | 32 | 0.11%, see rank | 0.41% | 0.55% |
| Born In Oceania | 12 | 0.04%, see rank | 0.03% | 0.07% |
| Born In Latin America | 92 | 0.32%, see rank | 6.47% | 6.83% |
| Born In Northern America | 66 | 0.23%, see rank | 0.14% | 0.26% |
ACS 2008-2012 data
Total population: 28,377
| O Fallon, IL | % | Illinois | U.S. | |
| Native | 27,362 | 96.42%, see rank | 86.21% | 87.13% |
| Born in the State of Residence | 12,599 | 44.40%, see rank | 66.79% | 58.71% |
| Born in Different State | 13,852 | 48.81%, see rank | 18.40% | 27.04% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 911 | 3.21%, see rank | 1.02% | 1.38% |
| Foreign Born | 1,015 | 3.58%, see rank | 13.79% | 12.87% |
| Foreign Born with U.S. Citizenship | 651 | 2.29%, see rank | 6.25% | 5.71% |
| Foreign Born without U.S. Citizenship | 364 | 1.28%, see rank | 7.53% | 7.16% |
| Born In Europe | 301 | 1.06%, see rank | 2.99% | 1.56% |
| Born In Asia | 515 | 1.81%, see rank | 3.71% | 3.67% |
| Born In Africa | 41 | 0.14%, see rank | 0.38% | 0.51% |
| Born In Oceania | 13 | 0.05%, see rank | 0.03% | 0.07% |
| Born In Latin America | 81 | 0.29%, see rank | 6.55% | 6.79% |
| Born In Northern America | 64 | 0.23%, see rank | 0.14% | 0.26% |
ACS 2006-2010 data
Total population: 27,044
| O Fallon, IL | % | Illinois | U.S. | |
| Native | 25,869 | 95.66%, see rank | 86.37% | 87.28% |
| Born in the State of Residence | 11,810 | 43.67%, see rank | 66.73% | 58.66% |
| Born in Different State | 13,087 | 48.39%, see rank | 18.68% | 27.28% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 972 | 3.59%, see rank | 0.96% | 1.33% |
| Foreign Born | 1,175 | 4.34%, see rank | 13.63% | 12.72% |
| Foreign Born with U.S. Citizenship | 745 | 2.75%, see rank | 6.03% | 5.48% |
| Foreign Born without U.S. Citizenship | 430 | 1.59%, see rank | 7.59% | 7.24% |
| Born In Europe | 432 | 1.60%, see rank | 3.06% | 1.59% |
| Born In Asia | 557 | 2.06%, see rank | 3.54% | 3.54% |
| Born In Africa | 21 | 0.08%, see rank | 0.35% | 0.48% |
| Born In Oceania | 13 | 0.05%, see rank | 0.03% | 0.07% |
| Born In Latin America | 110 | 0.41%, see rank | 6.50% | 6.77% |
| Born In Northern America | 42 | 0.16%, see rank | 0.15% | 0.27% |
ACS 2005-2009 data
Total population: 26,710
| O Fallon, IL | % | Illinois | U.S. | |
| Native | 25,638 | 95.99%, see rank | 86.61% | 87.61% |
| Born in the State of Residence | 11,692 | 43.77%, see rank | 66.88% | 58.98% |
| Born in Different State | 13,079 | 48.97%, see rank | 18.79% | 27.35% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 867 | 3.25%, see rank | 0.94% | 1.29% |
| Foreign Born | 1,072 | 4.01%, see rank | 13.39% | 12.39% |
| Foreign Born with U.S. Citizenship | 738 | 2.76%, see rank | 5.92% | 5.28% |
| Foreign Born without U.S. Citizenship | 334 | 1.25%, see rank | 7.48% | 7.11% |
| Born In Europe | 365 | 1.37%, see rank | 3.15% | 1.64% |
| Born In Asia | 568 | 2.13%, see rank | 3.35% | 3.34% |
| Born In Africa | 13 | 0.05%, see rank | 0.34% | 0.46% |
| Born In Oceania | 0 | 0.00%, see rank | 0.03% | 0.07% |
| Born In Latin America | 85 | 0.32%, see rank | 6.38% | 6.60% |
| Born In Northern America | 41 | 0.15%, see rank | 0.16% | 0.28% |
US Census 2000 data
Total population: 21,910
| O Fallon, IL | % | Illinois | U.S. | |
| Native | 21,043 | 96.04%, see rank | 87.69% | 88.95% |
| Born in the State of Residence | 9,278 | 42.35%, see rank | 67.12% | 59.96% |
| Born in Different State | 11,075 | 50.55%, see rank | 19.59% | 27.74% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 690 | 3.15%, see rank | 0.98% | 1.25% |
| Foreign Born | 814 | 3.72%, see rank | 12.31% | 11.05% |
| Foreign Born with U.S. Citizenship | 362 | 1.65%, see rank | 4.86% | 4.46% |
| Foreign Born without U.S. Citizenship | 452 | 2.06%, see rank | 7.45% | 6.60% |
| Born In Europe | 215 | 0.98%, see rank | 3.14% | 1.75% |
| Born In Asia | 458 | 2.09%, see rank | 2.90% | 2.92% |
| Born In Africa | 0 | 0.00%, see rank | 0.21% | 0.31% |
| Born In Oceania | 0 | 0.00%, see rank | 0.02% | 0.06% |
| Born In Latin America | 109 | 0.50%, see rank | 5.89% | 5.72% |
| Born In Northern America | 32 | 0.15%, see rank | 0.15% | 0.29% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.