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Where 95640 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 95640 into a pocket calculator and turn it upside down: OhgSG — not quite a word, sorry.
- ➕ As a number, 95,640 = 2 × 2 × 2 × 3 × 5 × 797. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111010110011000 - 🏠 Its numerical neighbours: 95639 (Hood, CA, 30 mi away) and 95641 (Isleton, CA, 38 mi away).
- 🔄 Backwards, 95640 becomes 04659, which is not a ZIP code at all.
- 👥 47 other ZIP codes are made of exactly the same digits (04956, 04965, 05469, 05649, 06459, 06495, …). The farthest-flung twin is 96450 in FPO AA, a military post office, 7,043 miles away.
- 🧭 Farther south than 56% of all ZIP codes, and farther west than 94%.
- 🎯1,200 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 95640 and you would come out at 38.34°S, 59.06°E — 940 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 29m.
- 📏 At 131.4 square miles of land, 95640 is bigger than 84% of ZIP codes — room for about 100 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 13,926This ZIP13,926 |
|---|---|
| Households | 4,182This ZIP4,182 |
| Housing units | 4,305This ZIP4,305 |
| Median age | 41.6This ZIP41.6California37.9US 38.9 |
| Median household income | $97,000This ZIP$97,000California$99,122US $80,734 |
| Median home value | $450,500This ZIP$450,500California$734,700US $332,700 |
| Median gross rent | $1,350This ZIP$1,350California$2,036US $1,413 |
| Bachelor's degree or higher | 16.5%This ZIP16.5% |
| Mean commute | 30.0 minThis ZIP30.0 min |
| Population density | 106.0 / sq miThis ZIP106.0 / sq mi |
Business and tax activity
| Business establishments | 109This ZIP109 |
|---|---|
| Employees | 964This ZIP964 |
| Annual payroll | $62,603,000This ZIP$62,603,000 |
| Tax returns filed | 4,580This ZIP4,580 |
| Total adjusted gross income | $376,872,000This ZIP$376,872,000 |
Land area
| Land area | 131.39 sq miThis ZIP131.39 sq mi |
|---|---|
| Water area | 6.33 sq miThis ZIP6.33 sq mi |
Counties 95640 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Amador County | 99.7% |
| Sacramento County | 0.3% |
Other place names in 95640
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 95640
| ZIP | City | Distance |
|---|---|---|
95638 | Herald, CA | 7.0 mi |
95699 | Drytown, CA | 8.0 mi |
95226 | Campo Seco, CA | 8.2 mi |
95601 | Amador City, CA | 8.3 mi |
95654 | Martell, CA | 9.0 mi |
95642 | Jackson, CA | 9.5 mi |
95254 | Wallace, CA | 9.9 mi |
95225 | Burson, CA | 10.4 mi |
95669 | Plymouth, CA | 10.6 mi |
95227 | Clements, CA | 10.9 mi |
Find every ZIP code within 10 miles of 95640 →
Questions about this ZIP code
Where is ZIP code 95640?
95640 is in Ione, California, in Amador County. Its published point location is 38.3415, -120.9401.
What county is 95640 in?
95640 spans 2 counties: Amador County and Sacramento County. Most of it falls in Amador 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 95640?
Ione uses area code 209, from NANPA's telephone records.
What time zone is 95640 in?
95640 uses America/Los_Angeles.
How many people live in 95640?
About 13,926 people live in ZIP code 95640, in 4,182 households, at 106.0 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 95640?
$97,000 a year, against $99,122 across California.
What ZIP codes are near 95640?
The closest are 95638 (7 mi), 95699 (8 mi), 95226 (8.2 mi), 95601 (8.3 mi) and 95654 (9 mi).
Is 95640 a PO Box ZIP code?
95640 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “95640 ZIP Code — Ione, California (Amador County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95640
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/95640.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.