ZIP Code 84756 in Newcastle, UT

Data Last Updated: February 1, 2026
City:Newcastle, Utah
Names to Avoid:
Pinto
County:Iron County
Timezone:Mountain (GMT -07:00)
Local Time:10:15:59 AM
Population:447 [See All]
Area Code:435
Classification:PO Box
Coordinates:37.8766, -113.6473
Land Area:71.09 sq mi
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84756 Newcastle, UT - Rural Utah Mail Hub

ZIP Code 84756, Newcastle

Small Town
LocationIron County, UT
Area37.7 sq mi
Population447
Households122
PO Boxes221 Regional Hub (181%)
Median Age30.8 years
Seasonal Housing12%
Also Known AsPinto
ZIP CreatedBefore Oct 2004
Key Facts
  • The Newcastle post office maintains 221 PO Boxes for a community of only 122 households, serving ranches and rural properties across the surrounding area.
  • This isn't a PO Box Only Zone. Residents can receive mail through two rural carrier routes or rent a PO Box at the post office.
  • Street names follow Utah's Mormon grid pattern with directional numbering like W 300 S and N 100 W, typical of early LDS settlements.
  • USPS recognizes "Pinto" as an alias for this ZIP code, though it's not valid for mailing addresses.
  • Nearly three-quarters of homes were built before 1939, making Newcastle's housing stock among the oldest in rural Utah.
  • Household size averages 3.66 people, higher than national norms, indicating a family-oriented community.

Community Overview

Newcastle sits in southwestern Utah's Iron County, a small community of 447 residents spread across 38 square miles of high desert terrain. The post office here handles mail for more than just local households. With 221 PO Boxes serving only 122 occupied homes, the Newcastle post office functions as a regional mail access point for surrounding ranches and rural properties that lack street delivery.

Mormon Grid Streets and the Pinto Connection

The town's street grid follows the classic Mormon settlement pattern. Streets like N Main St, W 300 S, and S 100 W use the directional numbering system common throughout Utah's LDS-founded communities. USPS also recognizes "Pinto" as an alias for this ZIP code, though it isn't valid for mailing. This likely references the nearby Pinto area that shares postal service through Newcastle.

Rural Delivery Options

Rural carrier routes handle street delivery here. Two distinct rural routes serve the area, meaning residents can choose between a PO Box at the Newcastle post office or rural mail delivery to their homes. About 12% of housing units sit vacant for seasonal use, suggesting some vacation or second-home presence in the area.

Demographics and Housing

Demographics point to a working, family-oriented community. Median age is 30.8 years, and household size averages 3.66 people, higher than the national norm. Two-thirds of homes are owner-occupied. Per capita income runs $27,970, and the median home value is $218,800. Nearly three-quarters of housing stock dates to before 1939, making this one of the older building inventories in rural Utah. All residents were born in the United States.

Street Name Patterns

Mormon Grid Numbered Directional

Street names follow the traditional Utah Mormon grid system with directional numbering, plus rural roads like S Bench Rd.

Nearby Areas

Enterprise Ranchos Enterprise Valley View Sunny Meadows Acres Clove Dixie Deer Estates
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Population & Demographics


ZIP Code 84756 has 447 residents and 122 households (average 3.54 persons per household). The median age is 30.8 years, about the same as the state (31.3) and significantly younger than the nation (38.8). The gender split is 52.8% male and 47.2% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (73.8%, much higher than the national average of 61.6%) and Hispanic or Latino (28.2%); Hispanic or Latino residents make up 28.2%, which is much higher than the state average (15.1%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:447Source: Census DHC
2024 ACS Population Estimate:390Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:6.3 people per sq mile
Average Income:$85,489Source: Census ACS
Households:122Source: Census DHC
Average House Value:$255,400Source: Census ACS
Persons Per Household:3.54Source: Census DHC
Average Family Size:3.15Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--238311286378337339309349291326279360253390
Decennial Census366------------------447--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 30.8

Male Median Age: 37

Female Median Age: 23.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1017352213971516164111114161613
Female91635388991186214181111240
Total193370602118162624226252925271853
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:33062.15%
Black:20.38%
Hispanic:*12623.73%
Asian:30.56%
American Indian:40.75%
Hawaiian:00%
Other:6612.43%
Total:531100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:23652.80%37.0 years
Females:21147.20%23.5 years
Total:447100%30.8 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:390100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:390100%
Total Native Population:390100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $85,489, which is well above the national median ($80,734), is up $54,118 (172.5%) since 2011 and above its 2019 pre-pandemic level by $48,844. Family households earn a median of $125,735 versus $0 for nonfamily households (a difference of $125,735). By gender, male median income is $68,654 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $68,654 that has widened from 2011 to 2024. The labor-force participation rate is 55.1%, which is much lower than the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (58.2%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$31,371$32,386$32,439$55,417$65,192$56,085$56,067$56,481$36,645$0$0$0$0$85,489
Median Family Income$40,288$65,551$65,469$57,173$65,609$56,675$56,067$56,481$36,645$0$60,625$0$0$125,735
Median NonFamily Income$0$30,938$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$31,169$31,090$31,436$33,430$0$0$0$0$0$0$0$63,906$68,750$68,654
Median Female Income$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:18955.10%
Unemployed:00.00%
Not In Labor Force:15444.90%
Total:343100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:11058.20%
Service:147.41%
Sales and Office:178.99%
Natural resources, construction, and maintenance:178.99%
Production, transportation, and material moving:3116.40%
Total Civilian Employed Population:189100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $255,400, which is considerably lower than the national median ($332,700), is down $79,000 (23.62%) since 2011 and above its 2019 pre-pandemic level by $255,400. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 100.00% (48.03% with a mortgage, 51.97% free-and-clear) and renters 0.00% - making this ZIP Code under national rental averages. The vacancy rate is 18.59%, which is much higher than the national rate (10.12%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$334,400$107,700$101,200$103,100$122,700$157,700$187,500$176,000$0$0$0$208,300$218,800$255,400
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00%
$500 to $999:00%
$1,000 to $1,499:00%
$1,500 to $1,999:00%
$2,000 to $2,499:00%
$2,500 to $2,999:00%
$3,000 or more:00%
No Rent:00%
Total:0100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$0$460$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):6148.03%
Owner Occupied (free and clear, no mortgage):6651.97%
Renter Occupied:00.00%
Total Occupied Housing Units:127100%

Occupied Housing Units:12781.41%
Vacant Housing Units (not graphed):2918.59%
Total Housing Units:156100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:12781.41%
Multi-Family Units:00.00%
Other Units:2918.59%
Total Housing Units:156100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 32.20% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 100.00%, which is comparable to the national rate (89.60%). The uninsured rate is 18.20%, which is comparable to the national rate (8.40%). Private coverage is 41.30%, which is falls below the national rate (67.10%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.80%), down 47.30 percentage points since 2011. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is high school (58.44%). College enrollment is 22.08%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00.00%
9th to 12th grade, no diploma:00.00%
High school graduate (includes equivalency):14651.05%
Some college, no degree:248.39%
Associate's degree:248.39%
Bachelor's degree:7526.22%
Graduate or professional degree:175.94%
Total:286100%
High school or higher:286100.00%
Bachelor's degree or higher:9232.17%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:16138.06%
Public Insurance:19145.15%
No Insurance:7116.78%
Total:423100%
Has Health Insurance:35283.22%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty47.3%19.3%19.0%11.6%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):1519.48%
High school (grades 9-12):4558.44%
College or graduate school:1722.08%
Total:77100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):6077.92%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 84756 supports both business and residential activity. According to the Business Census (2024), there are 8 business establishments, employing about 29 people with an annual payroll of $925,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:230Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:8Source: CBP
1st Quarter Payroll:$226,000Source: CBP
Annual Payroll:$925,000Source: CBP
# of Employees:29Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 84756 is located in Iron County, Utah, within the Cedar City, UT Metropolitan Statistical Area (CBSA 16260) and Utah's 2nd Congressional District. This Micro area has a population of 46,163 people, about 0.97% of whom live in ZIP Code 84756. It covers 71.09 sq mi of land and a water area of 0 sq mi.

CBSA Name:Cedar City, UTSource: Census
CBSA Number:16260Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:46,163Source: Census
MSA:Source: Census
Land Area:71.09 sq miSource: Census
Water Area:--Source: Census
Congressional District:02Source: USPS
Congressional Land Area:39987.95 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4954330Source: Census
Place Name:Newcastle CDP; UtahSource: Census

Adjacent & Nearby ZIP Codes


84757 | | 84755

Schools in ZIP Code 84756


We could not locate which school district 84756 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Escalante Valley School 202 N Beryl Hwy
Beryl, UT 84714
District: Iron School DistrictNearby
Enterprise School 216 S 100 E
Enterprise, UT 84725
District: Washington School DistrictNearby
Enterprise High 565 S 200 E
Enterprise, UT 84725
District: Washington School DistrictNearby
Iron Springs School 235 N 4050 W
Cedar City, UT 84720
District: Iron School DistrictNearby
Three Peaks School 1685 W Midvalley Road
Cedar City, UT 84721
District: Iron School DistrictNearby
Moonridge Academy 9450 W 2400 S
Cedar City, UT 84720
District: Private SchoolNearby
Discovery Ranch South 4928 N 4500 W
Cedar City, UT 84721
District: Private SchoolNearby
Renewed Hope Ranch Academy 425 E 6000 N
Cedar City, UT 84721
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 84756


Southern Utah University 351 West University Blvd
Cedar City, UT 84720
Type: Post Secondary
Evans Hairstyling College-Cedar City 169 N 100 W
Cedar City, UT 84720
Type: Post Secondary
Southwest Technical College 757 West 800 South
Cedar City, UT 84720
Type: Post Secondary
Rocky Vista University - Southern Utah 255 East Center Street
Ivins, UT 84738-6756
Type: Post Secondary
Evans Hairstyling College-St George 1028 E Tabernacle
Saint George, UT 84770
Type: Post Secondary
Utah Tech University 225 S University Avenue
Saint George, UT 84770-3876
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov