Immigration Trends

Bergen County (NJ)

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

327,711 foreign-born residents on file this year

Italy

83,780

Germany

48,483

Poland

30,602

United Kingdom

29,572

Ireland (Eire)

20,385

1950

76,697 foreign-born residents on file this year

Italy

17,907

Germany

13,601

Poland

6,452

England and Wales

4,544

Ireland (Eire)

3,341

1940

73,283 foreign-born residents on file this year

Italy

18,186

Germany

13,339

Poland

6,424

England

4,289

Austria

2,808

1930

83,850 foreign-born residents on file this year

Italy

20,785

Germany

14,940

Poland

7,941

England

4,982

Czechoslovakia

3,864

1920

54,184 foreign-born residents on file this year

Italy

14,162

Germany

8,869

Poland

4,678

England

3,374

Ireland

3,313

1910

40,194 foreign-born residents on file this year

Germany

8,968

Italy

8,489

Ireland

3,507

Austria

3,096

England

2,803

1900

22,904 foreign-born residents on file this year

Germany

6,214

Ireland

2,928

Holland

2,217

Italy

2,055

England

1,947