Newcastle, UT has a population of 288 and is the 22,701st largest city in the United States. The population density is 72 per sq mi which is 81% higher than the Utah average and 20% lower than the national average. The median age in Newcastle is 60 which is approximately 96% higher than the Utah average of 30. In Newcastle, 84% of the population over 15 years of age are married, 95% speak English and 5% speak Spanish. 76% of Newcastle residents were born in Utah, 24% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Newcastle is 81% higher than Utah.
The median age in Newcastle is 96% higher than Utah.
In Newcastle 100.00% of the population is White.
In Newcastle 0.00% of the population is Black or African American.