Newcastle ZIP Codes — Weston County, WY

There is one unique ZIP code in Newcastle, Wyoming and it is 82701. Area code: 307.

ZIP codes

1,798.50

sq mi land

1.44

sq mi water

307

area code

Newcastle, WY ZIP code map

About Newcastle, WY

Newcastle, nestled in the scenic Weston County of Wyoming, is a charming city steeped in rich history and natural beauty. With its welcoming community and stunning landscapes, Newcastle acts as a gateway to the Black Hills and offers a unique blend of outdoor activities and cultural experiences. The city's manageable size and friendly atmosphere make it an appealing destination for both residents and visitors alike.

Location & geography

Geographically, Newcastle lies in the northeastern part of Wyoming, showcasing the picturesque terrain of the state. It is surrounded by several notable cities, including Gillette, which is approximately 43 miles to the northeast, and Alliance, Nebraska, about 60 miles to the southeast. The city encompasses a substantial land area of 1,798.50 square miles, complemented by a water area of 1.44 square miles, providing ample opportunities for various recreational activities.

Community & economy

The character of Newcastle reflects a close-knit community that values its heritage while embracing modern development. The local economy is primarily driven by industries such as agriculture, ranching, and tourism, which showcases the natural wonders of the region. Daily life in Newcastle is vibrant, with numerous events and activities fostered by community engagement, providing residents with a strong sense of belonging.

Transportation

Newcastle is conveniently accessible via major highways, including U.S. Route 85, which connects the city to surrounding areas. For air travel, the nearest named airport is the Gillette-Campbell County Airport, located approximately 43 miles away. Though there are no public transit options, the city's layout makes it easy for residents to navigate by car or on foot.

History

Founded in the late 19th century, Newcastle quickly developed as a vital center for mining and ranching activities in the region. As the city evolved, it became known for its strong community spirit and local celebrations, which have remained an integral part of Newcastle's culture. Over the years, Newcastle has also transformed into a gateway for outdoor enthusiasts exploring the beautiful Black Hills.

Did you know?

A little-known fact about Newcastle is its proximity to several historical sites, including the nearby Fort Robinson, which played an important role in the Indian Wars of the late 19th century. Additionally, the city's annual events, such as the Weston County Fair, highlight its rich agricultural heritage and bring the community together each summer.

ZIP codes for Newcastle, WY (1)

ZIP code	City	County	Map
82701	Newcastle	Weston	View map

Demographics & statistics

5,383

Population

39.2

Median age

$77,885

Median household income

$36,996

Per capita income

$221,800

Median home value

$820

Median monthly rent

91.6%

Home ownership

13.1%

Poverty rate

3.5%

Unemployment

2,349

Housing units

18.5%

Bachelor's or higher

Age distribution

Male Female

109

Under 5

194

5–9

156

145

10–14

116

294

15–19

236

194

20–24

156

307

25–34

247

470

35–44

378

221

45–54

178

185

55–59

149

326

60–64

262

313

65–74

251

197

75–84

158

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,168	21.7%
18 and over	4,215	78.3%
65 and over	973	18.1%
Median age	39.2 years

Race & ethnicity

White 78.8%

Two or more races 10.1%

Hispanic or Latino 6.7%

American Indian / Alaska Native 2.7%

Native Hawaiian / Pacific Islander 0.8%

Other race 0.3%

Asian 0.3%

Black or African American 0.1%

Group	Count	%
White	4,550	78.8%
Two or more races	585	10.1%
Hispanic or Latino	389	6.7%
American Indian / Alaska Native	158	2.7%
Native Hawaiian / Pacific Islander	48	0.8%
Other race	20	0.3%
Asian	16	0.3%
Black or African American	6	0.1%

Household income

Under $10k 8.5%

$10k–$15k 4.6%

$15k–$25k 7.0%

$25k–$35k 6.2%

$35k–$50k 6.9%

$50k–$75k 15.8%

$75k–$100k 11.3%

$100k–$150k 22.7%

$150k–$200k 12.2%

$200k+ 4.8%

Range	% of households
Under $10k	8.5%
$10k–$15k	4.6%
$15k–$25k	7.0%
$25k–$35k	6.2%
$35k–$50k	6.9%
$50k–$75k	15.8%
$75k–$100k	11.3%
$100k–$150k	22.7%
$150k–$200k	12.2%
$200k+	4.8%
Median income	$77,885

Housing

Home values

Under $50k 8.6%

$50k–$100k 5.4%

$100k–$150k 17.2%

$150k–$200k 10.4%

$200k–$300k 22.2%

$300k–$500k 23.9%

$500k–$1M 12.3%

Housing overview

Metric	Value
Median home value	$221,800
Median rent / month	$820
Owner occupied	91.6%
Renter occupied	8.4%
Vacant	24.9%
Single-family detached	69.2%
Large apartment buildings	1.6%
Mobile homes	18.6%
Median rooms	6.1
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	1.3%
2010–2019	5.3%
2000–2009	12.2%
1990–1999	13.4%
1980–1989	11.1%
1970–1979	13.8%
1960–1969	6.1%
1950–1959	12.3%
1940–1949	13.2%
1939 or earlier	11.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	6.9%
2 bedrooms	34.1%
3 bedrooms	34.1%
4 bedrooms	20.5%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.6%
1 vehicle	17.8%
2 vehicles	31.9%
3 or more	47.7%

Heating fuel

Fuel type	%
Utility gas	42.8%
Electricity	24.9%
Propane / LP gas	27.0%
Wood	4.8%

Households & families

Household type	Count	%
Married-couple family	1,087	57.7%
Cohabiting couple	144	7.6%
Male householder, no spouse	338	17.9%
Female householder, no spouse	315	16.7%
Households with children under 18	521	27.7%
Households with seniors (65+)	588	31.2%
Average household size	2.67

Marital status

Status	Male	Female
Never married	33.3%	22.5%
Married	49.5%	53.5%
Separated	1.1%	1.9%
Widowed	3.3%	11.8%
Divorced	12.8%	10.3%

Education

Less than 9th grade 1.7%

Some HS, no diploma 4.6%

HS graduate 34.8%

Some college, no degree 24.6%

Associate's degree 15.7%

Bachelor's degree 14.0%

Graduate / professional 4.5%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	18.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	33	2.6%
Kindergarten	97	7.8%
Elementary school	441	35.3%
High school	496	39.7%
College / grad school	181	14.5%

Employment

Industry of employment

Agriculture & mining 27.7%

Education & healthcare 18.1%

Retail trade 8.3%

Arts, food & hospitality 8.3%

Manufacturing 7.2%

Professional & management 5.5%

Public administration 5.5%

Construction 5.2%

Transportation & utilities 4.3%

Finance & real estate 4.0%

Other services 3.6%

Wholesale trade 1.2%

Information 1.2%

Occupation

Category	%
Management, business & arts	35.5%
Service	15.8%
Sales & office	8.9%
Natural resources & construction	21.1%
Production & transportation	18.8%

Employment type

Type	%
Private sector	71.8%
Government	13.8%
Self-employed	13.7%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	68.5%
Carpool	13.0%
Public transit	6.2%
Walk	5.0%
Other means	2.3%
Avg commute (minutes)	28.7

Poverty

All people 13.1%

Under 18 years 8.7%

18 and over 14.3%

Married-couple families 22.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	28.0%
Retirement income	24.7%
Supplemental Security	2.0%
Cash public assistance	0.4%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
High blood pressure	32.9%
High cholesterol	31.8%
Heart disease	6.9%
Stroke	3.2%
Asthma	9.7%
Arthritis	23.7%
Kidney disease	3.0%
Pulmonary disease	7.6%
Cancer	7.3%

Behavior / access	%
Binge drinking	16.4%
No physical activity	25.6%
Less than 7 hrs sleep	33.3%
Fair or poor health	13.4%
Poor mental health	13.0%
Poor physical health	10.2%
No health insurance	15.8%
Visited doctor (checkup)	65.4%
Visited dentist	64.6%
Cholesterol screening	89.2%
Teeth loss	16.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	429	10.2%

Disability	%
Any disability	11.3%
Under 18	3.9%
18–64 years	11.1%
65 and over	21.3%

Health insurance coverage

Type	%
Private insurance	65.4%
Public insurance	25.7%
Uninsured under 19	19.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,187	96.4%
Spanish	8	0.2%
Other Indo-European	8	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,317	98.8%
Born in same state	5,286	98.2%
Born in different state	2,452	45.6%
Foreign born	31	0.6%
Naturalized citizen	66	1.2%
Not a US citizen	24	36.4%

Ancestry

Ancestry	Count	%
French	1,176	21.8%
Italian	696	12.9%
Arab	316	5.9%
Polish	215	4%

Ancestry	Count	%
English	133	2.5%
Dutch	50	0.9%
German	17	0.3%

Technology access

Metric	% of households
Computer access	35.0%
Internet access	92.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Newcastle, WY have?

Newcastle, WY has one ZIP code: 82701. Each ZIP code serves a distinct delivery area within the city and surrounding region.