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zipcodes.pro — ZIP/94561

94561

ZIP 94561 is Oakley, California, in Contra Costa County; area code 925; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Contra Costa
Population
46,368
Coordinates
37.9935, -121.6912
☼ Live from 94561 — Oakley, CA

Weather right now

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Local time: —

Where 94561 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.

★ Weird and wonderful facts about 94561
  • 🔢 Type 94561 into a pocket calculator and turn it upside down: IgShG — not quite a word, sorry.
  • ➕ 94561 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000101100001
  • 🏠 Its numerical neighbours: 94560 (Newark, CA, 39 mi away) and 94562 (Oakville, CA, 49 mi away).
  • 🔄 Backwards, 94561 becomes 16549, which is not a ZIP code at all.
  • 👥 40 other ZIP codes are made of exactly the same digits (14569, 15469, 15946, 16945, 19456, 19465, …). The farthest-flung twin is 96451 in FPO AA, a military post office, 7,019 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther west than 95%.
  • 🎯1,246 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94561 and you would come out at 37.99°S, 58.31°E — 982 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 31m.
  • 📏 At 17.3 square miles of land, 94561 is bigger than 35% of ZIP codes — room for about 13 Central Parks.
🌙 The sky over 94561 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population46,368This ZIP46,368
Households14,105This ZIP14,105
Housing units14,603This ZIP14,603
Median age36.4This ZIP36.4California37.9US 38.9
Median household income$134,678This ZIP$134,678California$99,122US $80,734
Median home value$659,800This ZIP$659,800California$734,700US $332,700
Median gross rent$1,952This ZIP$1,952California$2,036US $1,413
Bachelor's degree or higher24.4%This ZIP24.4%
Mean commute40.4 minThis ZIP40.4 min
Population density2,674.2 / sq miThis ZIP2,674.2 / sq mi

Business and tax activity

Business establishments469This ZIP469
Employees3,601This ZIP3,601
Annual payroll$179,994,000This ZIP$179,994,000
Tax returns filed21,140This ZIP21,140
Total adjusted gross income$1,940,332,000This ZIP$1,940,332,000

Land area

Land area17.34 sq miThis ZIP17.34 sq mi
Water area0.44 sq miThis ZIP0.44 sq mi

Other place names in 94561

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 94561

ZIPCityDistance
94548 Knightsen, CA 2.5 mi
94511 Bethel Island, CA 4.1 mi
94513 Brentwood, CA 4.7 mi
94531 Antioch, CA 5.4 mi
94509 Antioch, CA 6.6 mi
94505 Discovery Bay, CA 9.9 mi
95219 Stockton, CA 10.2 mi
94571 Rio Vista, CA 11.6 mi
94512 Birds Landing, CA 11.9 mi
94514 Byron, CA 12.0 mi

Find every ZIP code within 10 miles of 94561 →

Questions about this ZIP code

Where is ZIP code 94561?

94561 is in Oakley, California, in Contra Costa County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.9935, -121.6912.

What county is 94561 in?

94561 lies in Contra Costa County.

What area code is 94561?

Oakley uses area code 925, from NANPA's telephone records.

What time zone is 94561 in?

94561 uses America/Los_Angeles.

How many people live in 94561?

About 46,368 people live in ZIP code 94561, in 14,105 households, at 2,674.2 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 94561?

$134,678 a year, against $99,122 across California.

What ZIP codes are near 94561?

The closest are 94548 (2.5 mi), 94511 (4.1 mi), 94513 (4.7 mi), 94531 (5.4 mi) and 94509 (6.6 mi).

Is 94561 a PO Box ZIP code?

94561 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94561 ZIP Code — Oakley, California (Contra Costa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94561

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