Immigration Trends

Nassau County (NY)

Top countries of origin for this county's foreign-born population, decade by decade, 1900-1960 -- the same IPUMS NHGIS census tables behind Population Trends, read for country-of-birth instead of race. No comparable county-level series exists past 1960 in this data (same real gap Population Trends names for its own 1960-2023 span).

1960

507,606 foreign-born residents on file this year

Italy

108,646

U.S.S.R.

66,186

Germany

65,951

Poland

46,229

United Kingdom

42,703

1950

82,479 foreign-born residents on file this year

Germany

14,878

Italy

12,445

England and Wales

6,563

Ireland (Eire)

6,007

Poland

5,532

1940

64,556 foreign-born residents on file this year

Germany

12,050

Italy

9,973

England

5,399

Irish Free State (Eire)

5,013

Poland

4,923

1930

63,437 foreign-born residents on file this year

Germany

11,558

Italy

9,145

Poland

5,923

Irish Free State

5,666

England

5,563

1920

26,033 foreign-born residents on file this year

Italy

4,290

Germany

4,073

Poland

3,644

Ireland

3,499

England

2,457

1910

19,738 foreign-born residents on file this year

Germany

3,806

Italy

3,457

Russia

3,300

Ireland

3,168

England

1,587

1900

13,418 foreign-born residents on file this year

Ireland

3,255

Germany

2,811

Other Colored >> Female

1,218

Other Colored >> Male

1,137

England

1,121