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Investigating the Overlooked

Region What Who For Analysis
Immigration Trends
Worcester County (MA)
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
233,827 foreign-born residents on file this year
Canada
73,571
Italy
29,723
Ireland (Eire)
23,726
Poland
20,237
United Kingdom
18,359
1950
81,603 foreign-born residents on file this year
French Canada
15,079
Italy
9,237
Canada - other
8,130
Poland
6,952
Ireland (Eire)
6,504
1940
95,981 foreign-born residents on file this year
French Canada
16,336
Italy
10,737
Canada (other)
10,663
Irish Free State (Eire)
8,529
Poland
7,797
1930
117,943 foreign-born residents on file this year
Canada
33,751
Irish Free State
12,465
Italy
11,837
Sweden
10,210
Poland
9,707
1920
124,414 foreign-born residents on file this year
Canada
31,448
Ireland
17,481
Italy
11,890
Sweden
10,215
Poland
9,752
1910
161,106 foreign-born residents on file this year
Canada
35,437
Canada (French)
25,958
Ireland
22,307
Russia
15,052
Sweden
10,560
1900
104,061 foreign-born residents on file this year
Ireland
26,873
Canada (French)
26,550
Canada (English)
10,552
Sweden
9,825
England
6,353