Newcastle
Census-designated place in Iron County, Utah

Newcastle is an unincorporated community (census-designated place) in Iron County, Utah, with 330 residents (2020 Census). It sits at 5,276 ft (1,608 m) above sea level. The nearest town is Beryl Junction, 5.5 miles NW.
- 330residents (2020 Census)
- 5,276 ftelevation · 1,608 m
- 4.0 sq miland area · 10.3 km²
- 83 / sq mipopulation density
- 84756ZIP code
About Newcastle
Newcastle (also New Castle) is an unincorporated community and census-designated place (CDP) in southwestern Iron County, Utah, United States. It lies along State Route 56, 30 miles (48 km) west of Cedar City. Newcastle has a post office with the ZIP code of 84756. The population was 330 at the 2020 census. Newcastle was founded in 1910 by citizens of the more isolated Pinto.
Newcastle is a small farming community which has a dairy, orchard, greenhouses producing house plants and tomatoes, and several fields. Crops produced include wheat, oats, alfalfa, corn and potatoes.
Text: Wikipedia · CC BY-SA 4.0
Newcastle weather: 7-day forecast
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Source: National Weather Service (NOAA).
Live webcams in Newcastle
Webcams: Windy.com
Living in Newcastle
- Median household income
- $86,739
- Median home value
- $280,400
- Median age
- 48.9
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Map of Newcastle
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Newcastle Street View
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Open in Google Maps ›Newcastle, UT population
Newcastle had 330 residents in the 2020 Census.
| 2020 Census | 330 |
|---|---|
| Density | 83 per sq mi (32 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Newcastle at a glance
| State | Utah (UT) |
|---|---|
| County | Iron County |
| Type | Census-designated place |
| Population | 330 (2020) |
| Land area | 3.98 sq mi (10.3 km²) |
| Elevation | 5,276 ft (1,608 m) |
| Coordinates | 37.6629° N, 113.5644° W |
| ZIP code | 84756 |
| Census code (GEOID) | 4954330 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Newcastle
- Beryl Junction5.5 mi NW
- Enterprise11.6 mi SW
- Central17.5 mi S
- New Harmony18.8 mi SE
- Pine Valley19.1 mi S
- Modena21.8 mi NW
- Kanarraville22.7 mi E
- Veyo23.6 mi S
- Dammeron Valley25.4 mi S
- Cedar City25.7 mi E
- Cedar Highlands28.7 mi E
- Enoch29.3 mi E
Straight-line distance between town centers.
Frequently asked questions about Newcastle
What county is Newcastle in?
Newcastle is in Iron County, Utah.
What is the population of Newcastle, UT?
330 people lived in Newcastle at the 2020 Census.
What is the ZIP code of Newcastle, UT?
The ZIP code of Newcastle is 84756.
What is the elevation of Newcastle?
5,276 feet (1,608 m) above sea level.
What towns are near Newcastle?
Beryl Junction (5.5 mi), Enterprise (11.6 mi), Central (17.5 mi), New Harmony (18.8 mi), Pine Valley (19.1 mi).
Last updated: