Immigration Trends

Morris 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

76,630 foreign-born residents on file this year

Italy

14,639

Germany

11,672

United Kingdom

10,655

Poland

5,562

Ireland (Eire)

5,155

1950

17,396 foreign-born residents on file this year

Italy

3,302

Germany

2,884

England and Wales

1,446

Ireland (Eire)

1,213

Poland

1,158

1940

17,273 foreign-born residents on file this year

Italy

3,616

Germany

2,559

England

1,485

Irish Free State (Eire)

1,323

Poland

1,204

1930

18,180 foreign-born residents on file this year

Italy

3,770

Germany

2,416

Irish Free State

1,757

England

1,745

Poland

1,270

1920

14,662 foreign-born residents on file this year

Italy

3,187

Ireland

2,281

Germany

1,612

England

1,511

Poland

1,014

1910

16,139 foreign-born residents on file this year

Italy

3,411

Ireland

2,942

Hungary

1,987

England

1,841

Germany

1,640

1900

13,914 foreign-born residents on file this year

Ireland

3,650

England

1,838

Germany

1,441

Italy

1,390

Hungary

1,039