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zipcodes.pro — ZIP/94511

94511

ZIP 94511 is Bethel Island, California, in Contra Costa County; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Contra Costa
Population
1,864
Coordinates
38.0281, -121.6299
☼ Live from 94511 — Bethel Island, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 94511 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 94511
  • 🔢 Type 94511 into a pocket calculator and turn it upside down: IIShG — not quite a word, sorry.
  • ➕ As a number, 94,511 = 29 × 3259. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000100101111
  • 🏠 Its numerical neighbours: 94510 (Benicia, CA, 27 mi away) and 94512 (Birds Landing, CA, 13 mi away).
  • 🔄 Backwards, 94511 becomes 11549 — and that is a real ZIP code: Hempstead, NY, 2,540 miles away.
  • 👥 21 other ZIP codes are made of exactly the same digits (11549, 11954, 14519, 14591, 15419, 19145, …). The farthest-flung twin is 11954 in Montauk, NY, 2,620 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther west than 95%.
  • 🎯1,242 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94511 and you would come out at 38.03°S, 58.37°E — 978 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 5.3 square miles of land, 94511 is bigger than 19% of ZIP codes — room for about 4.0 Central Parks.
🌙 The sky over 94511 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,864This ZIP1,864
Households863This ZIP863
Housing units1,038This ZIP1,038
Median age56.6This ZIP56.6California37.9US 38.9
Median household income$74,972This ZIP$74,972California$99,122US $80,734
Median home value$682,700This ZIP$682,700California$734,700US $332,700
Median gross rent$1,606This ZIP$1,606California$2,036US $1,413
Bachelor's degree or higher18.9%This ZIP18.9%
Population density354.9 / sq miThis ZIP354.9 / sq mi

Business and tax activity

Business establishments35This ZIP35
Employees239This ZIP239
Annual payroll$10,120,000This ZIP$10,120,000

Land area

Land area5.25 sq miThis ZIP5.25 sq mi
Water area0.58 sq miThis ZIP0.58 sq mi

Other place names in 94511

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

ZIP codes near 94511

ZIPCityDistance
94548 Knightsen, CA 3.9 mi
94561 Oakley, CA 4.1 mi
95219 Stockton, CA 6.4 mi
94513 Brentwood, CA 7.8 mi
95641 Isleton, CA 8.9 mi
94531 Antioch, CA 9.4 mi
94509 Antioch, CA 10.3 mi
95686 Thornton, CA 10.8 mi
94505 Discovery Bay, CA 11.0 mi
94571 Rio Vista, CA 11.1 mi

Find every ZIP code within 10 miles of 94511 →

Questions about this ZIP code

Where is ZIP code 94511?

94511 is in Bethel Island, California, in Contra Costa County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 38.0281, -121.6299.

What county is 94511 in?

94511 lies in Contra Costa County.

What time zone is 94511 in?

94511 uses America/Los_Angeles.

How many people live in 94511?

About 1,864 people live in ZIP code 94511, in 863 households, at 354.9 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 94511?

$74,972 a year, against $99,122 across California.

What ZIP codes are near 94511?

The closest are 94548 (3.9 mi), 94561 (4.1 mi), 95219 (6.4 mi), 94513 (7.8 mi) and 95641 (8.9 mi).

Is 94511 a PO Box ZIP code?

94511 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94511 ZIP Code — Bethel Island, California (Contra Costa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94511

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