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Where 83611 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 83611 into a pocket calculator and turn it upside down: IIgEB — not quite a word, sorry.
- ➕ As a number, 83,611 = 11 × 11 × 691. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10100011010011011 - 🏠 Its numerical neighbours: 83610 (Cambridge, ID, 94 mi away) and 83612 (Council, ID, 80 mi away).
- 🔄 Backwards, 83611 becomes 11638, which is not a ZIP code at all.
- 👥 20 other ZIP codes are made of exactly the same digits (11368, 11386, 13618, 13681, 13861, 18631, …). The farthest-flung twin is 11368 in Corona, NY, 2,081 miles away.
- 🧭 Farther north than 92% of all ZIP codes, and farther west than 88%.
- 🎯918 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 83611 and you would come out at 45.34°S, 64.95°E — 371 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 40m of daylight. Shortest: 8h 43m.
- 📏 At 2,678.8 square miles of land, 83611 is bigger than 99% of ZIP codes — room for about 2,034 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,329This ZIP3,329 |
|---|---|
| Households | 944This ZIP944 |
| Housing units | 3,284This ZIP3,284 |
| Median age | 46.5This ZIP46.5Idaho37.3US 38.9 |
| Median household income | $77,411This ZIP$77,411Idaho$77,800US $80,734 |
| Median home value | $429,400This ZIP$429,400Idaho$418,600US $332,700 |
| Median gross rent | $1,163This ZIP$1,163Idaho$1,238US $1,413 |
| Bachelor's degree or higher | 33.6%This ZIP33.6% |
| Mean commute | 24.4 minThis ZIP24.4 min |
| Population density | 1.2 / sq miThis ZIP1.2 / sq mi |
Business and tax activity
| Business establishments | 96This ZIP96 |
|---|---|
| Employees | 659This ZIP659 |
| Annual payroll | $32,841,000This ZIP$32,841,000 |
| Tax returns filed | 1,250This ZIP1,250 |
| Total adjusted gross income | $100,472,000This ZIP$100,472,000 |
Land area
| Land area | 2,678.76 sq miThis ZIP2,678.76 sq mi |
|---|---|
| Water area | 38.41 sq miThis ZIP38.41 sq mi |
Counties 83611 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Valley County | 60.1% |
| Idaho County | 39.9% |
Other place names in 83611
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 83611
| ZIP | City | Distance |
|---|---|---|
83677 | Yellow Pine, ID | 23.3 mi |
83671 | Warren, ID | 30.8 mi |
83525 | Elk City, ID | 32.0 mi |
83638 | McCall, ID | 35.6 mi |
83469 | Shoup, ID | 36.6 mi |
83229 | Cobalt, ID | 43.5 mi |
83466 | North Fork, ID | 49.6 mi |
59829 | Darby, MT | 50.8 mi |
83654 | New Meadows, ID | 58.5 mi |
83549 | Riggins, ID | 59.0 mi |
Find every ZIP code within 10 miles of 83611 →
Questions about this ZIP code
Where is ZIP code 83611?
83611 is in Cascade, Idaho, in Valley County. Its published point location is 45.3439, -115.0523.
What county is 83611 in?
83611 spans 2 counties: Valley County and Idaho County. Most of it falls in Valley County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 83611?
Cascade uses area codes 208 and 986, from NANPA's telephone records.
What time zone is 83611 in?
83611 uses America/Boise.
How many people live in 83611?
About 3,329 people live in ZIP code 83611, in 944 households, at 1.2 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 83611?
$77,411 a year, against $77,800 across Idaho.
What ZIP codes are near 83611?
The closest are 83677 (23.3 mi), 83671 (30.8 mi), 83525 (32 mi), 83638 (35.6 mi) and 83469 (36.6 mi).
Is 83611 a PO Box ZIP code?
83611 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “83611 ZIP Code — Cascade, Idaho (Valley County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83611
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/83611.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.