Thermopolis ZIP Codes — Hot Springs County, WY

There is one unique ZIP code in Thermopolis, Wyoming and it is 82443. Area code: 307.

ZIP codes

1,053.94

sq mi land

1.36

sq mi water

307

area code

Thermopolis, WY ZIP code map

About Thermopolis, WY

Thermopolis, Wyoming, is a quaint town known for its rich natural resources and stunning geothermal features. Nestled in Hot Springs County, it serves as a gateway for visitors looking to explore the nearby Hot Springs State Park. The town offers a unique blend of historical charm and modern-day amenities, making it a desirable place for both residents and tourists alike.

Location & geography

Thermopolis is located in the central part of Wyoming, surrounded by the breathtaking landscapes of the Wind River Canyon and the Big Horn Basin. The town is approximately 76 miles from Cody, 95 miles from Casper, and 115 miles from Lander, making it relatively accessible from several notable Wyoming cities. Covering a total land area of 1,053.94 square miles, with an additional 1.36 square miles of water, the terrain is characterized by its scenic valleys and gentle rolling hills.

Community & economy

The character of Thermopolis is defined by its friendly atmosphere and welcoming community. Local industries primarily revolve around tourism, agriculture, and the famous mineral hot springs, which draw visitors year-round. Daily life in Thermopolis reflects a small-town charm, with community events, local shops, and outdoor recreational activities playing a significant role in residents' lives.

Transportation

Thermopolis is situated along U.S. Highway 20, providing convenient access for travelers navigating the region. The nearest commercial airport is located in Riverton, approximately 75 miles away, while local transit options are limited, emphasizing the town's peaceful, rural environment. Visitors often rely on personal vehicles to explore the scenic beauty surrounding the area.

History

Thermopolis was officially founded in the late 19th century, capitalizing on the health benefits of its mineral hot springs. Historically, the town's economy has been driven by tourism related to these geothermal resources, alongside agriculture, which remains important to the local economy. Notable events in the town's history include the establishment of Hot Springs State Park, which showcases the natural hot springs that have been attracting visitors for generations.

Did you know?

A surprising fact about Thermopolis is that it houses one of the largest mineral hot springs in the world, known as the 'World's Largest Hot Spring.' Additionally, the town is also recognized for its dinosaur fossils, with several significant discoveries made in the surrounding areas.

ZIP codes for Thermopolis, WY (1)

ZIP code	City	County	Map
82443	Thermopolis	Hot Springs	View map

Demographics & statistics

4,546

Population

45.6

Median age

$65,000

Median household income

$33,295

Per capita income

$196,100

Median home value

$824

Median monthly rent

70.8%

Home ownership

16.2%

Poverty rate

1.0%

Unemployment

1,886

Housing units

28.6%

Bachelor's or higher

Age distribution

Male Female

133

Under 5

134

122

5–9

123

158

10–14

158

115

15–19

115

121

20–24

122

180

25–34

180

278

35–44

279

243

45–54

244

200

55–59

201

133

60–64

134

339

65–74

339

171

75–84

172

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	964	21.2%
18 and over	3,582	78.8%
65 and over	1,173	25.8%
Median age	45.6 years

Race & ethnicity

White 89.4%

Two or more races 4%

Hispanic or Latino 3.2%

American Indian / Alaska Native 2.1%

Other race 1.3%

Asian 0.1%

Group	Count	%
White	4,197	89.4%
Two or more races	186	4%
Hispanic or Latino	150	3.2%
American Indian / Alaska Native	97	2.1%
Other race	60	1.3%
Asian	6	0.1%

Household income

Under $10k 4.2%

$10k–$15k 2.7%

$15k–$25k 10.5%

$25k–$35k 12.2%

$35k–$50k 9.5%

$50k–$75k 17.3%

$75k–$100k 19.2%

$100k–$150k 16.0%

$150k–$200k 3.3%

$200k+ 5.1%

Range	% of households
Under $10k	4.2%
$10k–$15k	2.7%
$15k–$25k	10.5%
$25k–$35k	12.2%
$35k–$50k	9.5%
$50k–$75k	17.3%
$75k–$100k	19.2%
$100k–$150k	16.0%
$150k–$200k	3.3%
$200k+	5.1%
Median income	$65,000

Housing

Home values

Under $50k 8.9%

$50k–$100k 9.4%

$100k–$150k 17.4%

$150k–$200k 15.3%

$200k–$300k 27.3%

$300k–$500k 14.3%

$500k–$1M 7.1%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$196,100
Median rent / month	$824
Owner occupied	70.8%
Renter occupied	29.2%
Vacant	17.0%
Single-family detached	74.5%
Large apartment buildings	1.6%
Mobile homes	15.2%
Median rooms	5.8
Avg household size (owned)	2.24

Year built

Era	%
2020 or later	0.2%
2010–2019	2.3%
2000–2009	7.8%
1990–1999	9.6%
1980–1989	15.7%
1970–1979	18.0%
1960–1969	12.3%
1950–1959	12.4%
1940–1949	11.2%
1939 or earlier	10.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	5.4%
2 bedrooms	30.9%
3 bedrooms	37.5%
4 bedrooms	17.2%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.0%
1 vehicle	33.7%
2 vehicles	36.4%
3 or more	25.9%

Heating fuel

Fuel type	%
Utility gas	68.6%
Electricity	11.0%
Propane / LP gas	10.9%
Fuel oil	0.1%
Wood	8.5%

Households & families

Household type	Count	%
Married-couple family	1,030	49.9%
Cohabiting couple	124	6.0%
Male householder, no spouse	441	21.4%
Female householder, no spouse	469	22.7%
Households with children under 18	492	23.8%
Households with seniors (65+)	803	38.9%
Average household size	2.16

Marital status

Status	Male	Female
Never married	20.8%	17.8%
Married	60.5%	57.4%
Separated	0.6%	0.8%
Widowed	6.5%	9.1%
Divorced	11.6%	15.0%

Education

Less than 9th grade 0.9%

Some HS, no diploma 4.0%

HS graduate 25.5%

Some college, no degree 28.2%

Associate's degree 12.9%

Bachelor's degree 21.0%

Graduate / professional 7.7%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	28.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	41	4.7%
Kindergarten	46	5.3%
Elementary school	451	51.8%
High school	214	24.6%
College / grad school	118	13.6%

Employment

Industry of employment

Education & healthcare 31.4%

Agriculture & mining 15.5%

Arts, food & hospitality 12.3%

Public administration 9.8%

Construction 8.9%

Professional & management 4.8%

Other services 4.7%

Manufacturing 4.1%

Retail trade 3.8%

Transportation & utilities 1.9%

Finance & real estate 1.8%

Information 0.7%

Wholesale trade 0.4%

Occupation

Category	%
Management, business & arts	36.2%
Service	22.3%
Sales & office	15.2%
Natural resources & construction	12.9%
Production & transportation	13.4%

Employment type

Type	%
Private sector	62.1%
Government	27.7%
Self-employed	9.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	72.8%
Carpool	8.2%
Public transit	0.0%
Walk	2.8%
Other means	1.7%
Avg commute (minutes)	13.0

Poverty

All people 16.2%

Under 18 years 23.8%

18 and over 14.2%

Married-couple families 6.9%

Female-led households 27.8%

Income support

Source	% of households
Social Security	42.1%
Retirement income	33.0%
Supplemental Security	2.8%
Cash public assistance	1.9%
Food stamps / SNAP	7.0%

Health indicators

Condition	%
High blood pressure	37.5%
High cholesterol	35.3%
Heart disease	8.4%
Stroke	3.9%
Asthma	10.0%
Arthritis	27.1%
Kidney disease	3.6%
Pulmonary disease	8.9%
Cancer	8.7%

Behavior / access	%
Binge drinking	14.6%
No physical activity	26.5%
Less than 7 hrs sleep	30.9%
Fair or poor health	14.9%
Poor mental health	12.5%
Poor physical health	11.3%
No health insurance	14.3%
Visited doctor (checkup)	67.6%
Visited dentist	63.4%
Cholesterol screening	91.0%
Teeth loss	16.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	358	10.0%

Disability	%
Any disability	18.9%
Under 18	4.4%
18–64 years	16.7%
65 and over	36.0%

Health insurance coverage

Type	%
Private insurance	61.3%
Public insurance	43.7%
Uninsured under 19	8.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,279	94.1%
Spanish	17	0.4%
Other Indo-European	17	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,515	99.3%
Born in same state	4,495	98.9%
Born in different state	2,310	50.8%
Foreign born	20	0.4%
Naturalized citizen	31	0.7%
Not a US citizen	12	38.7%

Ancestry

Ancestry	Count	%
French	961	21.1%
Italian	893	19.6%
Polish	289	6.4%
Arab	192	4.2%
English	52	1.1%

Ancestry	Count	%
Dutch	11	0.2%
German	9	0.2%
Norwegian	4	0.1%
Irish	1	0%

Technology access

Metric	% of households
Computer access	45.4%
Internet access	93.3%

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

Frequently asked questions

What ZIP codes does Thermopolis, WY have?

Thermopolis, WY has one ZIP code: 82443. Each ZIP code serves a distinct delivery area within the city and surrounding region.