ZIP Code 94505
ZIP Code Tabulation Area in Contra Costa County, California.
- Population
- 15,316
- Median household income
- $154,063
- Median home value
- $787,500
-6.5%’19–’23
+18.5%’19–’23
+28.0%’19–’23
Covering part of Contra Costa County, California, ZIP Code 94505 has about 15,316 residents. Its median household income of $154,063 runs above the Contra Costa County figure of $125,727.
From 2019 to 2023, ZIP Code 94505's population declined 6.5% from 16,382 to 15,316, while its median gross rent rose 14.3% from $2,532 to $2,894.
The median resident is 44.5 years old. The largest age group is 5 to 17, 17.7% of residents.
Demographics
ACS 2019–2023- Population
- 15,316
- Median age
- 44.5 yrs
- Median household income
- $154,063
- Median home value
- $787,500
- Median gross rent
- $2,894
- Housing units
- 6,136
- Homeownership rate
- 88.7%
- Bachelor's degree or higher
- 33.0%
- Unemployment rate
- 8.1%
Trends
ACS 5-year · 2019–202316,38215,316
$130,013$154,063
$615,200$787,500
$2,532$2,894
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 16,382 | $130,013 | $615,200 | $2,532 |
| 2020 | 15,974 | $128,865 | $640,100 | $2,612 |
| 2021 | 15,796 | $138,339 | $674,800 | $2,717 |
| 2022 | 15,445 | $147,292 | $768,200 | $2,859 |
| 2023 | 15,316 | $154,063 | $787,500 | $2,894 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.3%
5 to 1717.7%
18 to 246.8%
25 to 3410.7%
35 to 4410.1%
45 to 5414.4%
55 to 6415.6%
65 to 7410.9%
75 and over8.5%
| Count | Share | |
|---|---|---|
| Under 5 | 806 | 5.3% |
| 5 to 17 | 2,718 | 17.7% |
| 18 to 24 | 1,040 | 6.8% |
| 25 to 34 | 1,643 | 10.7% |
| 35 to 44 | 1,552 | 10.1% |
| 45 to 54 | 2,205 | 14.4% |
| 55 to 64 | 2,387 | 15.6% |
| 65 to 74 | 1,662 | 10.9% |
| 75 and over | 1,303 | 8.5% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 9,483 | 61.9% |
| Black or African American | 872 | 5.7% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 776 | 5.1% |
| Native Hawaiian & Pacific Islander | 12 | 0.1% |
| Some other race | 445 | 2.9% |
| Two or more races | 974 | 6.4% |
| Hispanic or Latino (any race) | 2,754 | 18.0% |
Educational attainment (age 25+)
No high school diploma5.6%
High school graduate21.0%
Some college or associate's40.4%
Bachelor's degree22.0%
Graduate or professional degree11.1%
| Count | Share | |
|---|---|---|
| No high school diploma | 602 | 5.6% |
| High school graduate | 2,257 | 21.0% |
| Some college or associate's | 4,341 | 40.4% |
| Bachelor's degree | 2,363 | 22.0% |
| Graduate or professional degree | 1,189 | 11.1% |
Commute to work
- Mean travel time to work
- 42 min
Drove alone66.9%
Carpooled10.6%
Public transit0.3%
Walked0.8%
Bicycle0.5%
Worked from home18.9%
Other means2.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 4,830 | 66.9% |
| Carpooled | 763 | 10.6% |
| Public transit | 23 | 0.3% |
| Walked | 57 | 0.8% |
| Bicycle | 35 | 0.5% |
| Worked from home | 1,361 | 18.9% |
| Other means | 147 | 2.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 1,089 | 18.6% |
| 15 to 29 min | 1,258 | 21.5% |
| 30 to 44 min | 1,123 | 19.2% |
| 45 to 59 min | 599 | 10.2% |
| 60+ min | 1,786 | 30.5% |
Households
- Average household size
- 2.77
- Poverty rate
- 6.1% (928 of 15,281)
| Count | Share | |
|---|---|---|
| Family households | 4,383 | 79.4% |
| Nonfamily households | 1,139 | 20.6% |
Housing
- Median year structure built
- 1995
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 5,522 | 90.0% |
| Vacant | 614 | 10.0% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 4,900 | 88.7% |
| Renter-occupied | 622 | 11.3% |
1-unit, detached91.8%
1-unit, attached6.8%
2 to 4 units0.1%
5 to 19 units0.0%
20 or more units1.1%
Mobile home & other0.2%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 5,634 | 91.8% |
| 1-unit, attached | 418 | 6.8% |
| 2 to 4 units | 6 | 0.1% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 66 | 1.1% |
| Mobile home & other | 12 | 0.2% |
Geography
- ZCTA
- 94505
- Land area
- 17 sq mi
- Water area
- 5.79 sq mi
- Center point
- 37.8713, -121.5970
Counties this ZIP covers
2Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)