Weather right now
Asking the National Weather Service…
Where 95666 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 95666 into a pocket calculator and turn it upside down: gggSG — not quite a word, sorry.
- ➕ As a number, 95,666 = 2 × 31 × 1543. Its digits add up to 32, a total 644 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111010110110010 - 🏠 Its numerical neighbours: 95665 (Pine Grove, CA, 20 mi away) and 95667 (Placerville, CA, 28 mi away).
- 🔄 Backwards, 95666 becomes 66659, which is not a ZIP code at all.
- 👥 3 other ZIP codes are made of exactly the same digits (56669, 65669, 66956). The farthest-flung twin is 56669 in Kabetogama, MN, 1,509 miles away.
- 🧭 Farther south than 55% of all ZIP codes, and farther west than 94%.
- 🎯1,165 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 95666 and you would come out at 38.54°S, 59.67°E — 911 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
- 📏 At 84.0 square miles of land, 95666 is bigger than 74% of ZIP codes — room for about 64 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,994This ZIP5,994 |
|---|---|
| Households | 2,581This ZIP2,581 |
| Housing units | 3,560This ZIP3,560 |
| Median age | 56.4This ZIP56.4California37.9US 38.9 |
| Median household income | $84,311This ZIP$84,311California$99,122US $80,734 |
| Median home value | $386,500This ZIP$386,500California$734,700US $332,700 |
| Median gross rent | $1,900This ZIP$1,900California$2,036US $1,413 |
| Bachelor's degree or higher | 22.7%This ZIP22.7% |
| Mean commute | 48.0 minThis ZIP48.0 min |
| Population density | 71.4 / sq miThis ZIP71.4 / sq mi |
Business and tax activity
| Business establishments | 58This ZIP58 |
|---|---|
| Employees | 235This ZIP235 |
| Annual payroll | $8,701,000This ZIP$8,701,000 |
| Tax returns filed | 2,390This ZIP2,390 |
| Total adjusted gross income | $172,654,000This ZIP$172,654,000 |
Land area
| Land area | 83.98 sq miThis ZIP83.98 sq mi |
|---|---|
| Water area | 2.25 sq miThis ZIP2.25 sq mi |
Other place names in 95666
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 95666
| ZIP | City | Distance |
|---|---|---|
95684 | Somerset, CA | 9.5 mi |
95636 | Grizzly Flats, CA | 9.8 mi |
95255 | West Point, CA | 11.7 mi |
95257 | Wilseyville, CA | 13.5 mi |
95644 | Kit Carson, CA | 14.7 mi |
95726 | Pollock Pines, CA | 15.9 mi |
95689 | Volcano, CA | 16.2 mi |
95248 | Rail Road Flat, CA | 17.0 mi |
95646 | Kirkwood, CA | 18.1 mi |
95232 | Glencoe, CA | 18.3 mi |
Find every ZIP code within 10 miles of 95666 →
Questions about this ZIP code
Where is ZIP code 95666?
95666 is in Pioneer, California, in Amador County. Its published point location is 38.5414, -120.3291.
What county is 95666 in?
95666 lies in Amador County.
What area code is 95666?
Pioneer uses area code 209, from NANPA's telephone records.
What time zone is 95666 in?
95666 uses America/Los_Angeles.
How many people live in 95666?
About 5,994 people live in ZIP code 95666, in 2,581 households, at 71.4 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 95666?
$84,311 a year, against $99,122 across California.
What ZIP codes are near 95666?
The closest are 95684 (9.5 mi), 95636 (9.8 mi), 95255 (11.7 mi), 95257 (13.5 mi) and 95644 (14.7 mi).
Is 95666 a PO Box ZIP code?
95666 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “95666 ZIP Code — Pioneer, California (Amador County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95666
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/95666.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.