US ZIP Code
84756

Newcastle, UT

Iron County  ·  Utah

● Active
👥 253 Population ↓ 13% since 2019
🎂 64.0 Median Age ↑ 5% since 2019
🏠 $218,800 Median Home Value
▼ 22% below avg
🎓 34.0% College Grads
▼ 12% below avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code84756
CityNewcastle
StateUtah (UT)
CountyIron County
Area Code435
Elevation5,136 ft
Latitude37.742488
Longitude-113.54774
TimezoneDenver (DST)
FIPS49021
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 52.2% (132) Female 47.8% (121) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

5–17
11%
18–24
6%
25–44
18%
45–64
23%
65+
37%

Key Indicators

Median Age64.0 yrs ↑ 5% since 2019
Avg Household Size3.05
Below Poverty8.7% ▼ 13% below avg
College Grads34.0% ▼ 12% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate94 (45%)
Some College30 (14.4%)
Associates14 (6.7%)
Bachelors15 (7.2%)
Graduate Degree56 (26.8%)

Education

HS Grad: 45%Some College: 14.4%Associates: 6.7%Bachelors: 7.2%Graduate: 26.8%Edu
HS Grad45.0%
Some College14.4%
Associates6.7%
Bachelors7.2%
Graduate26.8%
Housing & Income

Housing Tenure

Owner: 100%Tenure
Owner100.0%

Home Value Distribution

$100k–150k
12%
$150k–200k
18%
$200k–300k
53%
$300k–500k
17%

Financials

Median Home Value$218,800 ▼ 22% below avg
Total Units111
Vacant Units28
Avg HH Size3.05

Income Distribution

Under $25k
45%
$50k–75k
17%
$75k–100k
27%
Over $200k
12%
Employment & Commute

How People Get to Work

Drove Alone
90%
Work From Home
10%

Commute Time

Under 15 min
43%
15–30 min
17%
30–45 min
40%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
22%
1960s–1970s
13%
1980s–1990s
8%
2000+
50%

Summary

Total Units111
Vacant28
Owner Occupied100.0%
Renter Occupied0.0%
Avg HH Size3.05
Frequently Asked Questions
ZIP code 84756 is in Newcastle, UT, in Iron County.
ZIP code 84756 is located in Utah (UT).
ZIP code 84756 is in Iron County, UT.
ZIP 84756 observes the Denver timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 84756 is 253 people (ACS 2023).
Income data not available.
The median home value in ZIP 84756 is $218,800 (ACS 2023).
About ZIP Code 84756

ZIP code 84756 is located in Newcastle, Utah, within Iron County. With a population of 253, this is a sparsely populated ZIP code with an older community — the median age is 64 years.

Real estate in ZIP code 84756 represents an affordable housing market. The median home value of $218,800 is below the national average.

The population of 84756 is primarily White (100.00%). Residents are moderately educated — 34.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.7%.

As in most parts of the country, driving alone is the dominant commute mode at 90%.

Overall, ZIP code 84756 in Newcastle, UT is characterized as moderately educated, an older community, and predominantly owner-occupied.