Buffalo ZIP Code List — Johnson County, WY

There is one unique ZIP code in Buffalo, Wyoming and it is 82834. Area code: 307.

ZIP codes

1,686.18

sq mi land

10.71

sq mi water

307

area code

Buffalo, WY ZIP code map

About Buffalo, WY

Buffalo, Wyoming, is a charming city nestled in Johnson County, known for its stunning natural landscapes and rich history. With a single ZIP code of 82834, Buffalo serves as a hub for both residents and visitors exploring the beautiful Bighorn Mountains. Its welcoming community and unique character make it a beloved location in the heart of Wyoming.

Location & geography

Buffalo is strategically located in north-central Wyoming, lying approximately 30 miles from Sheridan to the northwest and 50 miles from Gillette to the southeast. The city spans a vast area of 1,686.18 square miles of land and features 10.71 square miles of water, showcasing varied terrain that includes plains and rolling hills. Surrounded by natural beauty, Buffalo offers residents and visitors easy access to outdoor recreational activities.

Community & economy

The character of Buffalo is defined by its friendly residents and strong sense of community. The local economy is supported by a mix of tourism, agriculture, and small businesses, making for a diverse job market. Daily life in Buffalo is enriched by a vibrant cultural scene, including local events and community gatherings that draw people together.

Transportation

Buffalo is served by U.S. Highway 87, which runs through the city and provides access to other parts of the state. The nearest named airport is Sheridan County Airport, located about 30 miles northwest of Buffalo, offering both commercial flights and general aviation services. Public transportation options may be limited, but the city is easily navigated by car.

History

Founded in the 19th century, Buffalo has a rich history that coincides with the development of the cattle industry in Wyoming. The city played a role in the westward expansion and became a key supply point for the surrounding ranching communities. Notable events in its history include the establishment of the Johnson County War in the late 1800s, which highlighted the tensions between cattle ranchers and homesteaders.

Did you know?

One surprising fact about Buffalo is that it serves as a gateway to the Bighorn National Forest, enticing nature enthusiasts from all over. Additionally, the city is home to the historic Occidental Hotel, which has hosted numerous famous figures throughout its storied past.

ZIP codes for Buffalo, WY (1)

ZIP code	City	County	Map
82834	Buffalo	Johnson	View map

Demographics & statistics

7,517

Population

45.3

Median age

$59,464

Median household income

$36,410

Per capita income

$291,600

Median home value

$929

Median monthly rent

68.8%

Home ownership

17.1%

Poverty rate

2.7%

Unemployment

2,840

Housing units

33.9%

Bachelor's or higher

Age distribution

Male Female

177

Under 5

168

232

5–9

220

181

10–14

171

197

15–19

186

206

20–24

195

385

25–34

364

536

35–44

507

405

45–54

384

251

55–59

238

295

60–64

280

611

65–74

578

260

75–84

246

125

85+

119

← Male

Female →

Age summary

Group	Count	%
Under 18	1,397	18.6%
18 and over	6,120	81.4%
65 and over	1,939	25.8%
Median age	45.3 years

Race & ethnicity

White 88.9%

Hispanic or Latino 3.1%

Other race 2.5%

American Indian / Alaska Native 2.4%

Two or more races 2.1%

Asian 0.7%

Black or African American 0.2%

Group	Count	%
White	6,899	88.9%
Hispanic or Latino	243	3.1%
Other race	196	2.5%
American Indian / Alaska Native	187	2.4%
Two or more races	162	2.1%
Asian	57	0.7%
Black or African American	16	0.2%

Household income

Under $10k 13.5%

$10k–$15k 3.1%

$15k–$25k 7.0%

$25k–$35k 11.1%

$35k–$50k 9.7%

$50k–$75k 18.2%

$75k–$100k 7.6%

$100k–$150k 17.2%

$150k–$200k 10.0%

$200k+ 2.6%

Range	% of households
Under $10k	13.5%
$10k–$15k	3.1%
$15k–$25k	7.0%
$25k–$35k	11.1%
$35k–$50k	9.7%
$50k–$75k	18.2%
$75k–$100k	7.6%
$100k–$150k	17.2%
$150k–$200k	10.0%
$200k+	2.6%
Median income	$59,464

Housing

Home values

Under $50k 9.6%

$50k–$100k 2.7%

$100k–$150k 4.2%

$150k–$200k 4.8%

$200k–$300k 31.0%

$300k–$500k 33.2%

$500k–$1M 12.9%

$1M+ 1.6%

Housing overview

Metric	Value
Median home value	$291,600
Median rent / month	$929
Owner occupied	68.8%
Renter occupied	31.2%
Vacant	11.1%
Single-family detached	74.6%
Large apartment buildings	1.5%
Mobile homes	10.4%
Median rooms	5.4
Avg household size (owned)	2.17

Year built

Era	%
2020 or later	0.2%
2010–2019	7.8%
2000–2009	18.3%
1990–1999	17.7%
1980–1989	12.3%
1970–1979	12.2%
1960–1969	5.8%
1950–1959	3.2%
1940–1949	11.6%
1939 or earlier	10.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	14.6%
2 bedrooms	31.3%
3 bedrooms	33.6%
4 bedrooms	9.4%
5+ bedrooms	8.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	24.1%
2 vehicles	49.9%
3 or more	22.5%

Heating fuel

Fuel type	%
Utility gas	65.7%
Electricity	15.2%
Propane / LP gas	13.0%
Wood	4.6%

Households & families

Household type	Count	%
Married-couple family	1,776	50.9%
Cohabiting couple	93	2.7%
Male householder, no spouse	805	23.1%
Female householder, no spouse	818	23.4%
Households with children under 18	771	22.1%
Households with seniors (65+)	1,308	37.5%
Average household size	2.11

Marital status

Status	Male	Female
Never married	20.9%	15.6%
Married	61.4%	61.6%
Separated	0.7%	1.6%
Widowed	3.7%	9.5%
Divorced	13.3%	11.8%

Education

Less than 9th grade 2.3%

Some HS, no diploma 4.0%

HS graduate 25.9%

Some college, no degree 25.9%

Associate's degree 7.9%

Bachelor's degree 20.8%

Graduate / professional 13.1%

Metric	%
HS diploma or higher	93.6%
Bachelor's or higher	33.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	21	1.6%
Kindergarten	20	1.5%
Elementary school	647	49.0%
High school	389	29.5%
College / grad school	243	18.4%

Employment

Industry of employment

Education & healthcare 20.5%

Professional & management 11.7%

Retail trade 11.6%

Construction 11.0%

Public administration 8.8%

Agriculture & mining 8.3%

Arts, food & hospitality 6.6%

Finance & real estate 6.4%

Other services 6.4%

Manufacturing 3.1%

Transportation & utilities 2.6%

Information 1.7%

Wholesale trade 1.3%

Occupation

Category	%
Management, business & arts	38.6%
Service	18.9%
Sales & office	20.3%
Natural resources & construction	12.0%
Production & transportation	10.1%

Employment type

Type	%
Private sector	66.1%
Government	21.8%
Self-employed	11.8%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	78.9%
Carpool	6.5%
Public transit	0.6%
Walk	6.0%
Other means	0.0%
Avg commute (minutes)	16.1

Poverty

All people 17.1%

Under 18 years 21.8%

18 and over 16.0%

Married-couple families 9.6%

Female-led households 37.5%

Income support

Source	% of households
Social Security	38.6%
Retirement income	25.0%
Supplemental Security	2.4%
Cash public assistance	1.9%
Food stamps / SNAP	1.4%

Health indicators

Condition	%
High blood pressure	32.4%
High cholesterol	32.3%
Heart disease	7.1%
Stroke	3.2%
Asthma	9.4%
Arthritis	23.3%
Kidney disease	3.0%
Pulmonary disease	7.1%
Cancer	7.9%

Behavior / access	%
Binge drinking	15.3%
No physical activity	22.8%
Less than 7 hrs sleep	28.7%
Fair or poor health	12.2%
Poor mental health	12.0%
Poor physical health	9.7%
No health insurance	13.5%
Visited doctor (checkup)	66.7%
Visited dentist	67.8%
Cholesterol screening	91.0%
Teeth loss	14.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	635	10.4%

Disability	%
Any disability	13.8%
Under 18	4.3%
18–64 years	12.2%
65 and over	24.5%

Health insurance coverage

Type	%
Private insurance	69.5%
Public insurance	39.0%
Uninsured under 19	15.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,172	95.4%
Spanish	24	0.3%
Other Indo-European	23	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,382	98.2%
Born in same state	7,337	97.6%
Born in different state	2,682	35.7%
Foreign born	45	0.6%
Naturalized citizen	135	1.8%
Not a US citizen	6	4.4%

Ancestry

Ancestry	Count	%
French	1,094	14.6%
Italian	745	9.9%
Arab	476	6.3%
Polish	253	3.4%

Ancestry	Count	%
English	87	1.2%
German	79	1.1%
Irish	12	0.2%
Dutch	8	0.1%

Technology access

Metric	% of households
Computer access	46.5%
Internet access	94.5%

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

Frequently asked questions

What is the ZIP code for Buffalo, WY?

Buffalo, WY has one ZIP code: 82834.

What is the main ZIP code for Buffalo, WY?

The primary ZIP code for Buffalo, WY is 82834. The city uses area code 307 for phone service.

What county is Buffalo, WY in?

Buffalo is located in Johnson County, Wyoming.

How many ZIP codes are in Buffalo, WY?

Buffalo, WY has 1 ZIP code.

What ZIP code should I use when mailing something to Buffalo's downtown historic district?

Buffalo's downtown area, including the historic Main Street and surrounding business district, uses the ZIP code 82834.

What is the ZIP code for the Buffalo area near the Bighorn National Forest entrance?

The Buffalo area serving residents and visitors near the Bighorn National Forest uses ZIP code 82834.