94511 ZIP Code, Bethel Island, CA

94511 is a ZIP code in Bethel Island, California in Contra Costa County. It covers 5.3 square miles of land. The closest ZIP codes are 94548, 94561 and 95219. 1,864 people live here in 863 households. With about 355 people per square mile it is lightly settled, and owners and renters are mixed (64% own). Median household income is $74,972, below the California median of $99,122; the median age is 56.6, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents1,864
Households863
Median household income$74,972
Income per person$39,932
Median age56.6
Homeowners64.2%
Median home value$682,700
Median rent$1,606
Bachelor's degree or higher18.9%
Average commute (minutes)not published
Households with kids under 1818.9%
Moved in the past year19.7%
Below the poverty line34.6%
Broadband internet84.0%
Speak a non-English language at home31.9%

Household income

% of householdsValue
<$10K15.6%
$10–15K0.0%
$15–25K14.3%
$25–35K0.0%
$35–50K8.1%
$50–75K12.1%
$75–100K27.2%
$100–150K7.5%
$150–200K5.4%
$200K+9.7%

Age

% of all residentsValue
<106.8%
10–1911.7%
20–240.0%
25–340.0%
35–4422.1%
45–544.2%
55–6416.2%
65–7422.5%
75+16.4%

Tenure

% of housing unitsValue
Owned, with mortgage13.4%
Owned outright40.0%
Rented29.8%
Vacant16.9%

Type of building

% of housing unitsValue
Detached house73.9%
Townhome0.0%
2–4 units3.7%
5–19 units0.0%
20+ units0.0%
Mobile / other22.4%

Businesses in 94511

35 business establishments with 239 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 94511 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 94511

Where it ranks

Mail every home in 94511

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 94511, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 94511 in?
94511 is a Bethel Island, CA mailing address. By land area, 100% lies inside Bethel Island.
What county is 94511 in?
94511 is in Contra Costa County.
What is the population of 94511?
About 1,864 people (±570), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 2,131.
What is the median household income in 94511?
$74,972 (±$23,097), compared with $99,122 for California as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 94511?
EDDM2GO's stored route library does not include 94511 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 94511?
The closest, measured center to center: 94548 (3.9 mi, Knightsen), 94561 (4.1 mi, Oakley), 95219 (6.4 mi, Stockton), 94513 (7.8 mi, Brentwood), 95641 (8.9 mi, Walnut Grove) and 94531 (9.4 mi, Antioch).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.