Illinois Foreign-Born Population By Country of Birth in 2021 (ACS-5Yrs)

Updated on November 2, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Foreign-Born population of Illinois was 1,803,334, which was 14.07% of the population of Illinois.

The highest percentage of the Illinois foreign-born population where born in Mexico (34.84%), followed by India (9.04%), and Poland (7.08%).

The chart below shows the top 10 place of birth countries for the Illinois Foreign-born population, as a percentage of the total Illinois foreign-born population. The table below shows the population and percentage of the Illinois foreign-born population for many different place of birth countries.

You can see similar information for other states and for the United States.

Data Source: US Census Bureau.
Illinois Percentage of Foreign-Born Population By Country of Birth in 2021
Mexico
India
Poland
Philippines
China
Korea
Pakistan
Ukraine
Guatemala
Vietnam
Illinois Foreign-Born Population By Country of Birth in 2021 (ACS-5Yrs)
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Country of Birth Number of People Percentage of Foreign-Born (%)
Mexico 628339 34.84
India 162991 9.04
Poland 127757 7.08
Philippines 92717 5.14
China 86647 4.81
Korea 40910 2.27
Pakistan 29463 1.63
Ukraine 28346 1.57
Guatemala 24163 1.34
Vietnam 23248 1.29
Nigeria 20654 1.15
Canada 19521 1.08
Germany 19151 1.06
Russia 17459 0.97
Ecuador 17108 0.95
Romania 15467 0.86
Italy 15387 0.85
Colombia 15002 0.83
Bulgaria 14254 0.79
Iraq 13783 0.76
Honduras 11372 0.63
Japan 10904 0.61
El Salvador 10778 0.60
Bosnia and Herzegovina 10701 0.59
Greece 10576 0.59
Lithuania 10438 0.58
Jordan 8818 0.49
Peru 8642 0.48
Brazil 8528 0.47
England 8391 0.47
Jamaica 8391 0.47
Serbia 7901 0.44
Taiwan 7766 0.43
Thailand 7755 0.43
Syria 7490 0.42
Venezuela 7261 0.40
Cuba 7191 0.40
Ireland 6883 0.38
Ghana 6682 0.37
Iran 6578 0.37
Egypt 6279 0.35
Belarus 6150 0.34
Albania 5995 0.33
France 5730 0.32
Hong Kong 5451 0.30
Czechoslovakia 5193 0.29
Israel 4525 0.25
Turkey 4468 0.25
Burma 4445 0.25
Democratic Republic of Congo 4306 0.24
Moldova 4296 0.24
Ethiopia 4285 0.24
Belize 4223 0.23
Argentina 4160 0.23
North Macedonia 4143 0.23
Haiti 4098 0.23
Saudi Arabia 3969 0.22
Dominican Republic 3838 0.21
Croatia 3825 0.21
Morocco 3642 0.20
Laos 3315 0.18
Spain 3141 0.17
Lebanon 3132 0.17
Nepal 2900 0.16
Malaysia 2899 0.16
Cambodia 2819 0.16
Australia 2596 0.14
Austria 2593 0.14
Kenya 2340 0.13
Bangladesh 2279 0.13
Netherlands 2144 0.12
Yemen 2069 0.12
Panama 2041 0.11
Chile 1992 0.11
Uzbekistan 1988 0.11
Nicaragua 1807 0.10
Kuwait 1781 0.10
Kazakhstan 1771 0.10
Indonesia 1717 0.10
Cameroon 1707 0.10
Hungary 1585 0.09
Latvia 1546 0.09
Congo 1519 0.08
Sudan 1480 0.08
Scotland 1394 0.08
Costa Rica 1356 0.08
Trinidad and Tobago 1300 0.07
Sweden 1273 0.07
Singapore 1206 0.07
Guyana 1071 0.06
Sri Lanka 1066 0.06
Eritrea 982 0.05
Belgium 918 0.05
Uganda 852 0.05
Afghanistan 850 0.05
Senegal 796 0.04
Armenia 776 0.04
Switzerland 766 0.04
Somalia 751 0.04
Liberia 734 0.04
Uruguay 700 0.04
Denmark 679 0.04
Norway 627 0.04
Bahamas 454 0.03
Portugal 405 0.02
Barbados 385 0.02
Zimbabwe 362 0.02
Fiji 227 0.01
Sierra Leone 179 0.01
Micronesia 142 0.01
Dominica 112 0.01
Grenada 94 0.01
St. Vincent and the Grenadines 66 0.00
Cabo Verde 12 0.00
Azores Islands 6 0.00