Newcastle CDP, UT Population By Ancestry in 2021 (ACS-5Yrs)

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 254 Newcastle CDP, UT population, 169 had English ancestry (66.54%), 137 had Irish ancestry (53.94%), and 45 had British ancestry (17.72%).

The chart below shows the top 5 ancestry groups, and the table below shows both the population and percentages for many ancestry groups.

You can also see similar information for other Utah cities and places, and for Utah.

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

Data Source: US Census Bureau.
Newcastle CDP, UT Percentage of Ancestry Population in 2021
English
Irish
British
French (except Basque)
Scotch Irish
Newcastle CDP, UT Population By Ancestry in 2021
0 of 0
Ancestry Population Percent of Pop. (%)
English 169 66.54
Irish 137 53.94
British 45 17.72
French (except Basque) 40 15.75
Scotch Irish 32 12.60