Bethel Island, CA · standard
ZIP Code 94511
Contra Costa County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,137
- 158/sq mi High-density area
- $74,972
- Median income Near-median income area
- $682,700
- Median home value Above-median home value
- 18.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Bethel Island pairs an above-median household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 45%
- household income, US ZIPs
- Top 7%
- home value, US ZIPs
- 158
- people per sq mi
- 64%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94511 against every reporting US ZIP.
ZIP code 94511 covers 13.6 square miles in Bethel Island, Contra Costa County, California (a standard USPS delivery area), with a modest 2,137 residents on file, a density of 158 people per square mile, in the Los Angeles time zone.
ZIP 94511 lands in the middle-income range, with a median household income of $74,972 (26% below the average California ZIP), while per-capita income is $39,932. Economic pressure is pronounced: 34.6% of residents are below the poverty line and unemployment is 35.5%. Median home value is $682,700 (12% below the average California ZIP) and median rent is $1,606; 64.2% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 18.9% of adults hold a bachelor's degree or higher, the median age is 56.6, and the average commute is -. The page also surfaces 7 ZIP codes within roughly 10 miles and 6 more in Contra Costa County, so 94511 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 94511
Top 5 sectors by establishment count in Bethel Island, CA
Which industries have the most business establishments in ZIP 94511.
- Construction
Construction
8 establishments
- Retail trade
Retail trade
6 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
5 establishments
- Accommodation and food services
Accommodation and food services
4 establishments
- Arts, entertainment, and recreation 3
Arts, entertainment, and recreation
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 94511, Bethel Island, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
2,137
Population
13.6
Area (sq mi)
158
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 94511?
56.6
Median Age
48.2%
Male
51.8%
Female
28.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$74,972
Median Household Income
-26% vs state ZIP avg
$39,932
Per Capita Income
34.6%
Poverty Rate
35.5%
Unemployment Rate
How ZIP 94511 ranks among California ZIPs
Bethel Island, CA household income vs. every California ZIP code
Median household income among 1,583 reporting California ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$74,972 30th percentile higher than 30% of 1,583 California ZIPs
Each bar is a $20K-wide band; taller bars hold more California ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,038housing units
1,038
Total Housing Units
863
Occupied Units
175
Vacant Units
2.16
Avg Household Size
Occupancy Type
$682,700
Median Home Value
-12% vs state ZIP avg
$1,606
Median Rent
1973
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+17.1%
YoY Change (2022)
227
HPI Index (2000 = 100)
+127%
Total Change Since 2000
Home values in ZIP 94511 have increased 17.1% over the past year (2022). Since 2000, this ZIP has seen +127% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2018 | +6.6% | 164 |
| 2019 | +2.3% | 168 |
| 2020 | +5.8% | 177 |
| 2021 | +9.2% | 194 |
| 2022 | +17.1% | 227 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 35 business establishments in ZIP 94511, employing approximately 239 people with a combined annual payroll of $10,120,000.
35
Businesses
239
Employees
$10.1M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 8 | 22.9% |
| Retail trade | 6 | 17.1% |
| Real estate and rental and leasing | 5 | 14.3% |
| Accommodation and food services | 4 | 11.4% |
| Arts, entertainment, and recreation | 3 | 8.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 94511 vs 94548 →
ZIP 94511 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94513
Brentwood (94513)
54,605 residents
- 94531
Antioch (94531)
40,290 residents
- 94561
Oakley (94561)
36,515 residents
- 94571 7,911
Rio Vista (94571)
7,911 residents
- 94511 2,137
Bethel Island (94511)
2,137 residents
- 95641 1,986
Isleton (95641)
1,986 residents
- 94548 412
Knightsen (94548)
412 residents
- 95234 70
Holt (95234)
70 residents
What this shows Among its immediate neighbors, ZIP 94511 ranks #5 by population - useful context the national average alone can't give.
ZIP 94511 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94548
Knightsen (94548)
$189,653 median income
- 94513
Brentwood (94513)
$142,223 median income
- 94561
Oakley (94561)
$134,678 median income
- 94531
Antioch (94531)
$120,927 median income
- 94571
Rio Vista (94571)
$87,740 median income
- 94511 $74,972
Bethel Island (94511)
$74,972 median income
- 95641 $74,886
Isleton (95641)
$74,886 median income
What this shows By household income, ZIP 94511 ranks #6 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 94511, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,137 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Contra Costa County
Related Areas
Frequently Asked Questions
What county is ZIP code 94511 in?
ZIP code 94511 (Bethel Island) is located in Contra Costa County, California. Contra Costa County contains multiple ZIP codes, see the full list at /counties/contra-costa-ca.
What is the population of ZIP code 94511?
ZIP code 94511 in Bethel Island, CA has a population of 2,137 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94511?
The median household income in ZIP 94511 is $74,972, which is 2% below the national average of $76,288.
What is the average home value in ZIP 94511?
The median home value in ZIP 94511 is $682,700, which is 145% above the national average of $278,155.
What is the demographic makeup of ZIP 94511?
The largest racial group in ZIP 94511 is White at 53.4%. Hispanic or Latino residents make up 41.7% of the population.
How many businesses are in ZIP code 94511?
ZIP code 94511 has 35 business establishments employing approximately 239 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 94511?
The top industries by establishment count in ZIP 94511 are: Construction (8), Retail trade (6), Real estate and rental and leasing (5). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 94511?
According to the FHFA House Price Index, home values in ZIP 94511 increased by 17.1% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 127%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 94511?
In ZIP code 94511, 51.8% of residents aged 25+ have a high school diploma or higher, and 18.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 94511?
In ZIP code 94511, approximately 64.2% of occupied housing units are owner-occupied and 35.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 94511?
The poverty rate in ZIP code 94511 is 34.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 94511's numbers, next.
- See how ZIP 94511 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Bethel Island, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.