Newcastle Flag

Newcastle

County:
Iron County
County Seat:
No
Area (mi²):
3.978
State:
Utah

Newcastle is a CDP located in Iron County, Utah. Newcastle has a 2026 population of 227. Newcastle is currently declining at a rate of -0.87% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Newcastle is $86,739 with a poverty rate of 0%. The median age in Newcastle is 48.9 years: 58.4 years for males, and 42.3 years for females. For every 100 females there are 79.0 males.

227
Total Population
57
Density (mi²)
-2 -0.87%
Growth

Newcastle Population

Newcastle Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026227-2-0.87%
2025229-1-0.43%

Median Age

Overall: 48.9 years
Female: 42.3 years
Male: 58.4 years

Newcastle Adults

There are 303 adults, (120 of whom are seniors) in Newcastle.

Sex Ratio

Female: 205 (55.9%)
Male: 162 (44.1%)

Demographics

The racial composition of Newcastle includes 94.82% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White34894.82%
Two or more races195.18%
Race
Population ↓
Percentage (of total)
White34894.82%
Two or more races195.18%

Newcastle Marital Status

Economics and Income Statistics

Newcastle 's average per capita income is $0. Household income levels show a median of $86,739. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$125,735$138,024
Married Families$125,735-
Households$86,739$114,387
Non Families--

$0

Average Income

$86,739

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)