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Where 83705 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 83705 into a pocket calculator and turn it upside down: SOLEB — not quite a word, sorry.
- ➕ As a number, 83,705 = 5 × 16741. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10100011011111001 - 🏠 Its numerical neighbours: 83704 (Boise, ID, 6 mi away) and 83706 (Boise, ID, 3 mi away).
- 🔄 Backwards, 83705 becomes 50738, which is not a ZIP code at all.
- 👥 51 other ZIP codes are made of exactly the same digits (03785, 03857, 03875, 05738, 05837, 05873, …). The farthest-flung twin is 03857 in Newmarket, NH, 2,248 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther west than 89%.
- 🎯944 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 83705 and you would come out at 43.55°S, 63.78°E — 504 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
- 📏 At 16.2 square miles of land, 83705 is bigger than 34% of ZIP codes — room for about 12 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 26,830This ZIP26,830 |
|---|---|
| Households | 12,540This ZIP12,540 |
| Housing units | 13,345This ZIP13,345 |
| Median age | 36.4This ZIP36.4Idaho37.3US 38.9 |
| Median household income | $64,731This ZIP$64,731Idaho$77,800US $80,734 |
| Median home value | $415,900This ZIP$415,900Idaho$418,600US $332,700 |
| Median gross rent | $1,232This ZIP$1,232Idaho$1,238US $1,413 |
| Bachelor's degree or higher | 39.2%This ZIP39.2% |
| Mean commute | 17.3 minThis ZIP17.3 min |
| Population density | 1,654.9 / sq miThis ZIP1,654.9 / sq mi |
Business and tax activity
| Business establishments | 1,031This ZIP1,031 |
|---|---|
| Employees | 18,972This ZIP18,972 |
| Annual payroll | $1,083,857,000This ZIP$1,083,857,000 |
| Tax returns filed | 14,040This ZIP14,040 |
| Total adjusted gross income | $965,536,000This ZIP$965,536,000 |
Land area
| Land area | 16.21 sq miThis ZIP16.21 sq mi |
|---|---|
| Water area | 0.11 sq miThis ZIP0.11 sq mi |
Other place names in 83705
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 83705
| ZIP | City | Distance |
|---|---|---|
83706 | Boise, ID | 2.9 mi |
83709 | Boise, ID | 3.2 mi |
83725 | Boise, ID | 3.5 mi |
83707 | Boise, ID | 4.2 mi |
83728 | Boise, ID | 4.2 mi |
83735 | Boise, ID | 4.2 mi |
83799 | Boise, ID | 4.2 mi |
83701 | Boise, ID | 4.3 mi |
83720 | Boise, ID | 4.5 mi |
83724 | Boise, ID | 4.7 mi |
Find every ZIP code within 10 miles of 83705 →
Questions about this ZIP code
Where is ZIP code 83705?
83705 is in Boise, Idaho, in Ada County, part of the Boise City, ID metropolitan area. Its published point location is 43.5548, -116.2214.
What county is 83705 in?
83705 lies in Ada County.
What area code is 83705?
Boise uses area codes 208 and 986, from NANPA's telephone records.
What time zone is 83705 in?
83705 uses America/Boise.
How many people live in 83705?
About 26,830 people live in ZIP code 83705, in 12,540 households, at 1,654.9 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 83705?
$64,731 a year, against $77,800 across Idaho.
What ZIP codes are near 83705?
The closest are 83706 (2.9 mi), 83709 (3.2 mi), 83725 (3.5 mi), 83707 (4.2 mi) and 83728 (4.2 mi).
Is 83705 a PO Box ZIP code?
83705 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “83705 ZIP Code — Boise, Idaho (Ada County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83705
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/83705.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.