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Where 83111 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 83111 into a pocket calculator and turn it upside down: IIIEB — not quite a word, sorry.
- ➕ As a number, 83,111 = 7 × 31 × 383. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10100010010100111 - 🏠 Its numerical neighbours: 83110 (Afton, WY, 10 mi away) and 83112 (Bedford, WY, 9 mi away).
- 🔄 Backwards, 83111 becomes 11138, which is not a ZIP code at all.
- 👥 6 other ZIP codes are made of exactly the same digits (11381, 13118, 13811, 31811, 38111, 81131). The farthest-flung twin is 11381 in Flushing, NY, 1,905 miles away.
- 🧭 Farther north than 81% of all ZIP codes, and farther west than 86%.
- 🎯677 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 83111 and you would come out at 42.82°S, 68.99°E — 455 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 01m.
- 📏 At 15.0 square miles of land, 83111 is bigger than 33% of ZIP codes — room for about 11 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 284This ZIP284 |
|---|---|
| Households | 132This ZIP132 |
| Housing units | 132This ZIP132 |
| Median age | 50.9This ZIP50.9Wyoming39.1US 38.9 |
| Median household income | $131,000This ZIP$131,000Wyoming$76,176US $80,734 |
| Bachelor's degree or higher | 0.0% |
| Population density | 18.9 / sq miThis ZIP18.9 / sq mi |
Business and tax activity
| Business establishments | 15This ZIP15 |
|---|---|
| Employees | 29This ZIP29 |
| Annual payroll | $1,956,000This ZIP$1,956,000 |
| Tax returns filed | 230This ZIP230 |
| Total adjusted gross income | $18,403,000This ZIP$18,403,000 |
Land area
| Land area | 15.03 sq miThis ZIP15.03 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 83111
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 83111
| ZIP | City | Distance |
|---|---|---|
83122 | Grover, WY | 2.7 mi |
83127 | Thayne, WY | 6.9 mi |
83112 | Bedford, WY | 9.1 mi |
83110 | Afton, WY | 10.4 mi |
83119 | Fairview, WY | 12.2 mi |
83118 | Etna, WY | 16.4 mi |
83126 | Smoot, WY | 17.3 mi |
83120 | Freedom, WY | 21.1 mi |
83128 | Alpine, WY | 21.2 mi |
83276 | Soda Springs, ID | 22.0 mi |
Find every ZIP code within 10 miles of 83111 →
Questions about this ZIP code
Where is ZIP code 83111?
83111 is in Auburn, Wyoming, in Lincoln County. Its published point location is 42.8190, -111.0114.
What county is 83111 in?
83111 lies in Lincoln County.
What area code is 83111?
Auburn uses area code 307, from NANPA's telephone records.
What time zone is 83111 in?
83111 uses America/Denver.
How many people live in 83111?
About 284 people live in ZIP code 83111, in 132 households, at 18.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 83111?
$131,000 a year, against $76,176 across Wyoming.
What ZIP codes are near 83111?
The closest are 83122 (2.7 mi), 83127 (6.9 mi), 83112 (9.1 mi), 83110 (10.4 mi) and 83119 (12.2 mi).
Is 83111 a PO Box ZIP code?
83111 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “83111 ZIP Code — Auburn, Wyoming (Lincoln County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83111
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/83111.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.