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Where 95552 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 95552 into a pocket calculator and turn it upside down: ZSSSG — not quite a word, sorry.
- ➕ As a number, 95,552 = 2 × 2 × 2 × 2 × 2 × 2 × 1493. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111010101000000 - 🏠 Its numerical neighbours: 95551 (Loleta, CA, 48 mi away) and 95553 (Miranda, CA, 25 mi away).
- 🔄 Backwards, 95552 becomes 25559 — and that is a real ZIP code: Salt Rock, WV, 2,186 miles away.
- 👥 11 other ZIP codes are made of exactly the same digits (25559, 29555, 52595, 55592, 55925, 55952, …). The farthest-flung twin is 29555 in Johnsonville, SC, 2,439 miles away.
- 🧭 Farther north than 60% of all ZIP codes, and farther west than 98%.
- 🎯1,309 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 95552 and you would come out at 40.34°S, 56.58°E — 910 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
- 📏 At 136.9 square miles of land, 95552 is bigger than 85% of ZIP codes — room for about 104 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 586This ZIP586 |
|---|---|
| Households | 223This ZIP223 |
| Housing units | 529This ZIP529 |
| Median age | 57.4This ZIP57.4California37.9US 38.9 |
| Median household income | $77,796This ZIP$77,796California$99,122US $80,734 |
| Median gross rent | $1,660This ZIP$1,660California$2,036US $1,413 |
| Bachelor's degree or higher | 4.9%This ZIP4.9% |
| Mean commute | 73.1 minThis ZIP73.1 min |
| Population density | 4.3 / sq miThis ZIP4.3 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 53This ZIP53 |
| Annual payroll | $3,697,000This ZIP$3,697,000 |
| Tax returns filed | 140This ZIP140 |
| Total adjusted gross income | $5,960,000This ZIP$5,960,000 |
Land area
| Land area | 136.89 sq miThis ZIP136.89 sq mi |
|---|---|
| Water area | 1.71 sq miThis ZIP1.71 sq mi |
Counties 95552 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Trinity County | 93.2% |
| Humboldt County | 6.8% |
Other place names in 95552
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 95552
| ZIP | City | Distance |
|---|---|---|
95514 | Blocksburg, CA | 13.5 mi |
95511 | Alderpoint, CA | 15.1 mi |
95526 | Bridgeville, CA | 15.9 mi |
96041 | Hayfork, CA | 16.5 mi |
96046 | Hyampom, CA | 18.4 mi |
95554 | Myers Flat, CA | 19.2 mi |
95559 | Phillipsville, CA | 20.4 mi |
95595 | Zenia, CA | 22.6 mi |
95569 | Redcrest, CA | 23.5 mi |
95553 | Miranda, CA | 25.0 mi |
Find every ZIP code within 10 miles of 95552 →
Questions about this ZIP code
Where is ZIP code 95552?
95552 is in Mad River, California, in Trinity County. Its published point location is 40.3444, -123.4172.
What county is 95552 in?
95552 spans 2 counties: Trinity County and Humboldt County. Most of it falls in Trinity 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 95552?
Mad River uses area code 707, from NANPA's telephone records.
What time zone is 95552 in?
95552 uses America/Los_Angeles.
How many people live in 95552?
About 586 people live in ZIP code 95552, in 223 households, at 4.3 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 95552?
$77,796 a year, against $99,122 across California.
What ZIP codes are near 95552?
The closest are 95514 (13.5 mi), 95511 (15.1 mi), 95526 (15.9 mi), 96041 (16.5 mi) and 96046 (18.4 mi).
Is 95552 a PO Box ZIP code?
95552 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “95552 ZIP Code — Mad River, California (Trinity County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95552
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/95552.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.