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Cook County Historical Place of Birth and Citizenship Data
ACS 2010-2014 data
Total population: 5,227,827
| Cook County | % | Illinois | U.S. | |
| Native | 4,126,072 | 78.93%, see rank | 86.11% | 86.93% |
| Born in the State of Residence | 3,220,139 | 61.60%, see rank | 67.04% | 58.73% |
| Born in Different State | 828,693 | 15.85%, see rank | 18.03% | 26.78% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 77,240 | 1.48%, see rank | 1.05% | 1.42% |
| Foreign Born | 1,101,755 | 21.07%, see rank | 13.89% | 13.07% |
| Foreign Born with U.S. Citizenship | 518,184 | 9.91%, see rank | 6.52% | 5.99% |
| Foreign Born without U.S. Citizenship | 583,571 | 11.16%, see rank | 7.37% | 7.09% |
| Born In Europe | 254,163 | 4.86%, see rank | 2.94% | 1.53% |
| Born In Asia | 286,312 | 5.48%, see rank | 3.90% | 3.82% |
| Born In Africa | 32,919 | 0.63%, see rank | 0.41% | 0.55% |
| Born In Oceania | 1,863 | 0.04%, see rank | 0.03% | 0.07% |
| Born In Latin America | 518,828 | 9.92%, see rank | 6.47% | 6.83% |
| Born In Northern America | 7,670 | 0.15%, see rank | 0.14% | 0.26% |
ACS 2008-2012 data
Total population: 5,197,677
| Cook County | % | Illinois | U.S. | |
| Native | 4,098,252 | 78.85%, see rank | 86.21% | 87.13% |
| Born in the State of Residence | 3,186,629 | 61.31%, see rank | 66.79% | 58.71% |
| Born in Different State | 836,550 | 16.09%, see rank | 18.40% | 27.04% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 75,073 | 1.44%, see rank | 1.02% | 1.38% |
| Foreign Born | 1,099,425 | 21.15%, see rank | 13.79% | 12.87% |
| Foreign Born with U.S. Citizenship | 500,383 | 9.63%, see rank | 6.25% | 5.71% |
| Foreign Born without U.S. Citizenship | 599,042 | 11.53%, see rank | 7.53% | 7.16% |
| Born In Europe | 257,824 | 4.96%, see rank | 2.99% | 1.56% |
| Born In Asia | 272,437 | 5.24%, see rank | 3.71% | 3.67% |
| Born In Africa | 30,802 | 0.59%, see rank | 0.38% | 0.51% |
| Born In Oceania | 1,817 | 0.03%, see rank | 0.03% | 0.07% |
| Born In Latin America | 528,385 | 10.17%, see rank | 6.55% | 6.79% |
| Born In Northern America | 8,160 | 0.16%, see rank | 0.14% | 0.26% |
ACS 2006-2010 data
Total population: 5,172,848
| Cook County | % | Illinois | U.S. | |
| Native | 4,085,967 | 78.99%, see rank | 86.37% | 87.28% |
| Born in the State of Residence | 3,168,508 | 61.25%, see rank | 66.73% | 58.66% |
| Born in Different State | 847,240 | 16.38%, see rank | 18.68% | 27.28% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 70,219 | 1.36%, see rank | 0.96% | 1.33% |
| Foreign Born | 1,086,881 | 21.01%, see rank | 13.63% | 12.72% |
| Foreign Born with U.S. Citizenship | 485,662 | 9.39%, see rank | 6.03% | 5.48% |
| Foreign Born without U.S. Citizenship | 601,219 | 11.62%, see rank | 7.59% | 7.24% |
| Born In Europe | 259,832 | 5.02%, see rank | 3.06% | 1.59% |
| Born In Asia | 260,538 | 5.04%, see rank | 3.54% | 3.54% |
| Born In Africa | 30,350 | 0.59%, see rank | 0.35% | 0.48% |
| Born In Oceania | 1,579 | 0.03%, see rank | 0.03% | 0.07% |
| Born In Latin America | 526,394 | 10.18%, see rank | 6.50% | 6.77% |
| Born In Northern America | 8,188 | 0.16%, see rank | 0.15% | 0.27% |
ACS 2005-2009 data
Total population: 5,257,001
| Cook County | % | Illinois | U.S. | |
| Native | 4,177,899 | 79.47%, see rank | 86.61% | 87.61% |
| Born in the State of Residence | 3,236,361 | 61.56%, see rank | 66.88% | 58.98% |
| Born in Different State | 871,231 | 16.57%, see rank | 18.79% | 27.35% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 70,307 | 1.34%, see rank | 0.94% | 1.29% |
| Foreign Born | 1,079,102 | 20.53%, see rank | 13.39% | 12.39% |
| Foreign Born with U.S. Citizenship | 478,563 | 9.10%, see rank | 5.92% | 5.28% |
| Foreign Born without U.S. Citizenship | 600,539 | 11.42%, see rank | 7.48% | 7.11% |
| Born In Europe | 269,849 | 5.13%, see rank | 3.15% | 1.64% |
| Born In Asia | 246,748 | 4.69%, see rank | 3.35% | 3.34% |
| Born In Africa | 29,704 | 0.57%, see rank | 0.34% | 0.46% |
| Born In Oceania | 1,648 | 0.03%, see rank | 0.03% | 0.07% |
| Born In Latin America | 522,399 | 9.94%, see rank | 6.38% | 6.60% |
| Born In Northern America | 8,754 | 0.17%, see rank | 0.16% | 0.28% |
US Census 2000 data
Total population: 5,376,741
| Cook County | % | Illinois | U.S. | |
| Native | 4,312,038 | 80.20%, see rank | 87.69% | 88.95% |
| Born in the State of Residence | 3,310,715 | 61.57%, see rank | 67.12% | 59.96% |
| Born in Different State | 922,446 | 17.16%, see rank | 19.59% | 27.74% |
| Born in Puerto Rico, U.S. Island Areas, or Born Abroad to American Parent(s) | 78,877 | 1.47%, see rank | 0.98% | 1.25% |
| Foreign Born | 1,064,703 | 19.80%, see rank | 12.31% | 11.05% |
| Foreign Born with U.S. Citizenship | 420,739 | 7.83%, see rank | 4.86% | 4.46% |
| Foreign Born without U.S. Citizenship | 643,964 | 11.98%, see rank | 7.45% | 6.60% |
| Born In Europe | 288,114 | 5.36%, see rank | 3.14% | 1.75% |
| Born In Asia | 231,877 | 4.31%, see rank | 2.90% | 2.92% |
| Born In Africa | 18,499 | 0.34%, see rank | 0.21% | 0.31% |
| Born In Oceania | 1,266 | 0.02%, see rank | 0.02% | 0.06% |
| Born In Latin America | 517,124 | 9.62%, see rank | 5.89% | 5.72% |
| Born In Northern America | 7,823 | 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.