Martin County, FL Population By Ancestry in 2021 (ACS-5Yrs)

Updated on April 15, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 158.32K Martin County, FL population, 32.57K had Other Groups ancestry (20.57%), 30.77K had Unclassified ancestry (19.44%), and 25.91K had German ancestry (16.37%).

The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.

You can see similar information for other Florida counties, and for Florida.

NB: People could belong to one or more ancestry groups.

Data Source: US Census Bureau.

Martin County, FL Percentage of Ancestry Population in 2021

Other Groups

Unclassified

German

Irish

English

Italian

American

Polish

French (except Basque)

Scottish

Martin County, FL Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Other Groups	32572	20.57
Unclassified	30774	19.44
German	25914	16.37
Irish	25892	16.35
English	18908	11.94
Italian	17569	11.10
American	10255	6.48
Polish	6819	4.31
French (except Basque)	4789	3.03
Scottish	3681	2.33
European	2422	1.53
Norwegian	2245	1.42
West Indian (except Hispanic groups)	2221	1.40
Swedish	1916	1.21
Russian	1904	1.20
Dutch	1721	1.09
French Canadian	1540	0.97
Scotch Irish	1502	0.95
British	1130	0.71
Hungarian	1078	0.68
Haitian	1051	0.66
Greek	901	0.57
Jamaican	898	0.57
Welsh	894	0.56
Portuguese	847	0.54
Eastern European	835	0.53
Ukrainian	774	0.49
Danish	755	0.48
Lebanese	737	0.47
Lithuanian	651	0.41
Canadian	568	0.36
Czech	505	0.32
Czechoslovakian	466	0.29
Swiss	360	0.23
Austrian	342	0.22
Slovak	277	0.18
Finnish	276	0.17
Subsaharan African	271	0.17
Scandinavian	263	0.17
Brazilian	231	0.15
Romanian	217	0.14
Croatian	181	0.11
Armenian	145	0.09
African	138	0.09
Northern European	134	0.09
West Indian	133	0.08
Bahamian	132	0.08
Albania	106	0.07
Pennsylvania German	97	0.06
Iranian	93	0.06
Belgian	87	0.06
Latvian	85	0.05
South African	80	0.05
Turkish	80	0.05
Egyptian	70	0.04
Moroccan	57	0.04
Slavic	55	0.04
Guyanese	52	0.03
Trinidadian and Tobagonian	44	0.03
Yugoslavian	44	0.03
Icelander	38	0.02
US Virgin Islander	36	0.02
Serbian	31	0.02
Maltese	28	0.02
Australian	25	0.02
Ghanaian	24	0.02
Luxembourger	21	0.01
Basque	20	0.01
Celtic	20	0.01
Belizean	17	0.01
Arab	16	0.01
Estonian	15	0.01
Nigerian	14	0.01
British West Indian	13	0.01
Palestinian	12	0.01
Cajun	9	0.01
Slovene	8	0.01
Macedonian	3	0.002