Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/83623

83623

ZIP 83623 is Glenns Ferry, Idaho, in Elmore County; Mountain time.

Type
Standard
Time zone
America/Boise
County
Elmore
Metro area
Mountain Home, ID
Population
1,521
Coordinates
43.0416, -115.4002
☼ Live from 83623 — Glenns Ferry, ID

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 83623 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.

★ Weird and wonderful facts about 83623
  • 🔢 Type 83623 into a pocket calculator and turn it upside down: EZgEB — not quite a word, sorry.
  • ➕ As a number, 83,623 = 17 × 4919. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100011010100111
  • 🏠 Its numerical neighbours: 83622 (Garden Valley, ID, 77 mi away) and 83624 (Grand View, ID, 39 mi away).
  • 🔄 Backwards, 83623 becomes 32638, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (23836, 26338, 26833, 28363, 28633, 32683, …). The farthest-flung twin is 33862 in Lake Placid, FL, 2,187 miles away.
  • 🧭 Farther north than 83% of all ZIP codes, and farther west than 89%.
  • 🎯897 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 83623 and you would come out at 43.04°S, 64.60°E — 512 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
  • 📏 At 246.6 square miles of land, 83623 is bigger than 93% of ZIP codes — room for about 187 Central Parks.
🌙 The sky over 83623 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,521This ZIP1,521
Households558This ZIP558
Housing units663This ZIP663
Median age43.9This ZIP43.9Idaho37.3US 38.9
Median household income$58,145This ZIP$58,145Idaho$77,800US $80,734
Median home value$217,600This ZIP$217,600Idaho$418,600US $332,700
Median gross rent$646This ZIP$646Idaho$1,238US $1,413
Bachelor's degree or higher13.6%This ZIP13.6%
Mean commute21.8 minThis ZIP21.8 min
Population density6.2 / sq miThis ZIP6.2 / sq mi

Business and tax activity

Business establishments42This ZIP42
Employees285This ZIP285
Annual payroll$11,776,000This ZIP$11,776,000
Tax returns filed670This ZIP670
Total adjusted gross income$35,510,000This ZIP$35,510,000

Land area

Land area246.59 sq miThis ZIP246.59 sq mi
Water area1.27 sq miThis ZIP1.27 sq mi

Other place names in 83623

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 83623

ZIPCityDistance
83633 King Hill, ID 10.2 mi
83627 Hammett, ID 11.2 mi
83337 Hill City, ID 17.8 mi
83314 Bliss, ID 23.3 mi
83648 Mountain Home Afb, ID 23.5 mi
83604 Bruneau, ID 24.8 mi
83647 Mountain Home, ID 25.6 mi
83322 Corral, ID 29.0 mi
83332 Hagerman, ID 29.2 mi
83330 Gooding, ID 36.3 mi

Find every ZIP code within 10 miles of 83623 →

Questions about this ZIP code

Where is ZIP code 83623?

83623 is in Glenns Ferry, Idaho, in Elmore County, part of the Mountain Home, ID micropolitan area. Its published point location is 43.0416, -115.4002.

What county is 83623 in?

83623 lies in Elmore County.

What time zone is 83623 in?

83623 uses America/Boise.

How many people live in 83623?

About 1,521 people live in ZIP code 83623, in 558 households, at 6.2 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 83623?

$58,145 a year, against $77,800 across Idaho.

What ZIP codes are near 83623?

The closest are 83633 (10.2 mi), 83627 (11.2 mi), 83337 (17.8 mi), 83314 (23.3 mi) and 83648 (23.5 mi).

Is 83623 a PO Box ZIP code?

83623 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “83623 ZIP Code — Glenns Ferry, Idaho (Elmore County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83623

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/83623.json

Underlying data is public domain or openly licensed — sources, vintages and licences.