Allendale County, SC Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 3, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 8.30K Allendale County, SC population, 5.93K had Other Groups ancestry (71.39%), 1.01K had Unclassified ancestry (12.12%), and 770 had American ancestry (9.27%).

The chart below shows the top 10 ancestry groups, and the table below shows both the number and percentages for all ancestry groups.

You can see similar information for other South Carolina counties, and for South Carolina.

Allendale County, SC Percentages of Ancestry of Population in 2021
Other Groups
Unclassified
American
German
Irish
English
Scotch Irish
Celtic
Belgian
Italian
Allendale County, SC Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
Other Groups 5928 71.39
Unclassified 1006 12.12
American 770 9.27
German 284 3.42
Irish 129 1.55
English 119 1.43
Scotch Irish 79 0.95
Celtic 53 0.64
Belgian 36 0.43
Italian 35 0.42
West Indian (except Hispanic groups) 33 0.40
European 32 0.39
Subsaharan African 30 0.36
African 30 0.36
Dutch 28 0.34
Scottish 28 0.34
Norwegian 21 0.25
Jamaican 21 0.25
Trinidadian and Tobagonian 12 0.14
French (except Basque) 10 0.12
Welsh 9 0.11
Lebanese 6 0.07
Russian 6 0.07
Scandinavian 6 0.07
Lithuanian 5 0.06
Swedish 4 0.05
Portuguese 1 0.01