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Newcastle, UT
Census-designated place in Iron County, Utah.
Population
367
Land area
4sq mi
People per sq mi
92
ZIP codes
0
Newcastle and its ZIP codes
Newcastle at a glance
- Newcastle is about 2.2 times as dense as Utah as a whole.
Local data for Newcastle, UT
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Iron County. PPP loans are for Newcastle.
Unemployment rate
3.7%
Aug 2026, +0.1 pts in a year
Average annual pay
$49,908
25,889 jobs, 2025
Income per person
$45,498
BEA, 2024
Federal spending
$448M
FY 2026, $7,817 per person
Environment and hazard risk
Newcastle, UT, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: wildfire
Storm events since 1996
180
Countywide, mostly flash flood
Flood insurance policies
96
0.5% of homes, county
July high / Jan low
93° / 14°F
Health statistics
Share of adults in Newcastle, UT, CDC PLACES estimates
Obesity
35.1%
U.S. 33.3% +1.8 pts
Diabetes
11.7%
U.S. 12.1% about the same
Smoking
8.6%
U.S. 12.8% -4.2 pts
Uninsured (18-64)
13.8%
U.S. 11.1% +2.7 pts
Cities near Newcastle
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Beryl JunctionCensus-designated place | 5.4 mi | 1.8 |
| EnterpriseCity | 13 mi | 8.7 |
| CentralCensus-designated place | 17 mi | 2.5 |
| New HarmonyTown | 19 mi | 0.6 |
| Pine ValleyCensus-designated place | 19 mi | 3.4 |
| ModenaCensus-designated place | 22 mi | 0.2 |
| KanarravilleTown | 23 mi | 0.4 |
| VeyoCensus-designated place | 23 mi | 2.1 |
| Dammeron ValleyCensus-designated place | 25 mi | 4.9 |
| Cedar CityCity | 27 mi | 36.2 |
| Cedar HighlandsCensus-designated place | 29 mi | 0.9 |
Frequently asked questions
- What county is Newcastle, UT in?
- Newcastle is in Iron County, Utah.
- What is the population of Newcastle, UT?
- About 367 people live in Newcastle, based on American Community Survey 5-year estimates.
- What cities are near Newcastle?
- Nearby places include Beryl Junction (5.4 mi), Enterprise (13 mi), Central (17 mi), New Harmony (19 mi), Pine Valley (19 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023