83111 ZIP Code — Auburn, WY

Lincoln County, Wyoming

ZIP code 83111 is located in Auburn, Wyoming, within Lincoln County. It covers approximately 15.03 square miles and serves a population of 397 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 307.

About ZIP code 83111

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $377,300. Owner-occupancy is high at 80%, well above the national average.

Median household income is $96,364. 61% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 83111 reflects a community defined by high homeownership and a significant Social Security-dependent population.

397

population

15.03

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

83111 ZIP code map

Cities in ZIP code 83111

Below are the cities the US Postal Service accepts for ZIP code 83111. Using any city not on this list may result in mail delivery delays.

City	Status
Auburn	Preferred

Nearby ZIP codes

83127 Thayne (7.7 mi) 83110 Afton (9.2 mi) 83122 Grover (10.4 mi) 83120 Freedom (13.9 mi) 83285 Wayan (19.1 mi)

Demographics updated 06/2026

Population
Total population	397
Population density	26 / sq mi
State FIPS	56
County FIPS	023

Geography
Land area	15.03 sq mi
Water area	0.00 sq mi
Latitude	42.8145
Longitude	-111.0001
Timezone	Mountain (MT)
Area code	307

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.0%	32.8%	38.1%
$50k – $100k	69.5%	34.1%	33.2%
$100k – $200k	6.5%	28.1%	23.7%
Over $200k	0.0%	5.0%	5.0%

Demographics & statistics

397

Population

People per sq mi

41.0

Median age

$96,364

Median household income

$31,379

Per capita income

$377,300

Median home value

Median monthly rent

80.4%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

119

Housing units

25.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

25–34

35–44

55–59

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	146	36.8%
18 and over	251	63.2%
65 and over	115	29.0%
Median age	41.0 years

Race & ethnicity

White 89.5%

Hispanic or Latino 5.3%

Two or more races 5.3%

Group	Count	%
White	375	89.5%
Hispanic or Latino	22	5.3%
Two or more races	22	5.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.0%	32.8%	38.1%
$50k – $100k	69.5%	34.1%	33.2%
$100k – $200k	6.5%	28.1%	23.7%
Over $200k	0.0%	5.0%	5.0%

$15k–$25k 7.4%

$25k–$35k 18.9%

$75k–$100k 27.0%

$100k–$150k 46.6%

Range	% of households
$15k–$25k	7.4%
$25k–$35k	18.9%
$75k–$100k	27.0%
$100k–$150k	46.6%
Median income	$96,364

Housing

Home values

Under $50k 9.2%

$150k–$200k 18.5%

$200k–$300k 15.1%

$300k–$500k 33.6%

$1M+ 23.5%

Housing overview

Metric	Value
Median home value	$377,300
Median rent / month	$0
Owner occupied	80.4%
Renter occupied	19.6%
Vacant	0.0%
Single-family detached	73.0%
Large apartment buildings	0.0%
Mobile homes	27.0%
Median rooms	7.0
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	19.6%
1990–1999	12.2%
1980–1989	0.0%
1970–1979	34.5%
1960–1969	14.9%
1950–1959	0.0%
1940–1949	18.9%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	7.4%
2 bedrooms	7.4%
3 bedrooms	31.8%
4 bedrooms	38.5%
5+ bedrooms	14.9%

Vehicles per household

Vehicles	% of households
No vehicle	7.4%
1 vehicle	26.4%
2 vehicles	31.8%
3 or more	34.5%

Heating fuel

Fuel type	%
Utility gas	14.9%
Electricity	31.1%
Propane / LP gas	14.9%
Wood	39.2%

Households & families

Household type	Count	%
Married-couple family	109	73.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	39	26.4%
Households with children under 18	58	39.2%
Households with seniors (65+)	90	60.8%
Average household size	2.68

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	100.0%	72.7%
Separated	0.0%	0.0%
Widowed	0.0%	19.6%
Divorced	0.0%	7.7%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 33.1%

Some college, no degree 41.4%

Associate's degree 0.0%

Bachelor's degree 11.6%

Graduate / professional 13.9%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	25.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Professional & management 40.7%

Agriculture & mining 33.7%

Education & healthcare 25.6%

Occupation

Category	%
Management, business & arts	40.7%
Service	0.0%
Sales & office	25.6%
Natural resources & construction	33.7%
Production & transportation	0.0%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	60.8%
Retirement income	53.4%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	7.4%

Health indicators

Condition	%
Obesity	33.9%
High blood pressure	31.7%
High cholesterol	32.4%
Diabetes	9.3%
Heart disease	6.8%
Stroke	3.2%
Asthma	10.0%
Arthritis	23.5%
Kidney disease	2.9%
Pulmonary disease	7.6%
Cancer	6.9%

Behavior / access	%
Smoking	19.3%
Binge drinking	16.8%
No physical activity	25.0%
Less than 7 hrs sleep	31.2%
Depression	17.8%
Fair or poor health	13.5%
Poor mental health	13.5%
Poor physical health	10.5%
No health insurance	15.9%
Visited doctor (checkup)	67.5%
Visited dentist	67.9%
Cholesterol screening	88.7%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	11	4.4%

Disability	%
Any disability	9.1%
Under 18	0.0%
18–64 years	0.0%
65 and over	31.3%

Health insurance coverage

Type	%
Private insurance	94.5%
Public insurance	29.0%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	367	92.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	397	100.0%
Born in same state	397	100.0%
Born in different state	282	71.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	50	12.6%

Ancestry	Count	%
Italian	11	2.8%

Technology access

Metric	% of households
Computer access	37.3%
Internet access	100.0%

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

Frequently asked questions about ZIP code 83111

What city is ZIP code 83111 in?

ZIP code 83111 is primarily assigned to Auburn, Wyoming.

What county is ZIP code 83111 in?

ZIP code 83111 falls within Lincoln County, Wyoming.

Does ZIP code 83111 have a large retiree population?

61% of households in ZIP code 83111 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 83111 have an older population?

29% of residents in ZIP code 83111 are 65 or older, above the national average of ~17%.

Is ZIP code 83111 mostly owner-occupied?

80% of occupied units in ZIP code 83111 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 83111?

The median home value in ZIP code 83111 is $377,300.

What timezone is ZIP code 83111 in?

ZIP code 83111 observes the MST timezone.