Ranking of Louisiana Counties By Population with Celtic Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 271 people in Louisiana with Celtic ancestry. Among all Louisiana counties, Beauregard Parish had the highest population with Celtic ancestry (57), followed by Ouachita Parish (35), and Orleans Parish (25).

The chart and table below shows the top 10 counties with high number of people with Celtic ancestry.

You can see similar information for other states and for other ancestry groups in Louisiana.

Data Source: US Census Bureau.
Ranking of Louisiana Counties By Population with Celtic Ancestry in 2021
Beauregard Parish
Ouachita Parish
Orleans Parish
Jefferson Parish
St. Tammany Parish
Calcasieu Parish
Livingston Parish
West Carroll Parish
Jefferson Davis Parish
Caddo Parish
Ranking of Louisiana Counties By Population with Celtic Ancestry in 2021
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Rank County Population
1 Beauregard Parish 57
2 Ouachita Parish 35
3 Orleans Parish 25
4 Jefferson Parish 23
5 St. Tammany Parish 21
6 Calcasieu Parish 20
7 Livingston Parish 18
8 West Carroll Parish 17
9 Jefferson Davis Parish 14
10 Caddo Parish 12
11 Lafayette Parish 10
12 East Baton Rouge Parish 9
13 St. John the Baptist Parish 4
13 St. Mary Parish 4
14 Natchitoches Parish 2