ZIP Code 94548
ZIP Code Tabulation Area in Contra Costa County, California.
- Population
- 637
- Median household income
- $183,100
- Median home value
- $918,100
+69.0%’19–’23
+74.8%’19–’23
-13.6%’19–’23
Covering part of Contra Costa County, California, ZIP Code 94548 has about 637 residents. The median household income of $183,100 is above the Contra Costa County median ($125,727).
Between 2019 and 2023, ZIP Code 94548's population grew 69.0% from 377 to 637, while its median household income rose 74.8% from $104,773 to $183,100.
Households average 3.25 people. 33.9% of adults 25 and older hold a bachelor's degree or higher.
Demographics
ACS 2019–2023- Population
- 637
- Median age
- 29.6 yrs
- Median household income
- $183,100
- Median home value
- $918,100
- Median gross rent
- —
- Housing units
- 196
- Homeownership rate
- 100.0%
- Bachelor's degree or higher
- 33.9%
- Unemployment rate
- 0.0%
Trends
ACS 5-year · 2019–2023377637
$104,773$183,100
$1,062,500$918,100
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 377 | $104,773 | $1,062,500 | $1,629 |
| 2020 | 248 | $150,492 | $886,400 | — |
| 2021 | 470 | $140,417 | $817,500 | — |
| 2022 | 598 | $166,597 | $1,041,700 | — |
| 2023 | 637 | $183,100 | $918,100 | — |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 57.1%
5 to 1725.6%
18 to 2413.2%
25 to 346.4%
35 to 4420.9%
45 to 5418.4%
55 to 646.0%
65 to 740.0%
75 and over2.5%
| Count | Share | |
|---|---|---|
| Under 5 | 45 | 7.1% |
| 5 to 17 | 163 | 25.6% |
| 18 to 24 | 84 | 13.2% |
| 25 to 34 | 41 | 6.4% |
| 35 to 44 | 133 | 20.9% |
| 45 to 54 | 117 | 18.4% |
| 55 to 64 | 38 | 6.0% |
| 65 to 74 | 0 | 0.0% |
| 75 and over | 16 | 2.5% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 193 | 30.3% |
| Black or African American | 0 | 0.0% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 0 | 0.0% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 0 | 0.0% |
| Hispanic or Latino (any race) | 444 | 69.7% |
Educational attainment (age 25+)
No high school diploma6.1%
High school graduate28.4%
Some college or associate's31.6%
Bachelor's degree12.2%
Graduate or professional degree21.7%
| Count | Share | |
|---|---|---|
| No high school diploma | 21 | 6.1% |
| High school graduate | 98 | 28.4% |
| Some college or associate's | 109 | 31.6% |
| Bachelor's degree | 42 | 12.2% |
| Graduate or professional degree | 75 | 21.7% |
Commute to work
- Mean travel time to work
- 46 min
Drove alone37.2%
Carpooled35.2%
Public transit10.6%
Walked0.0%
Bicycle0.0%
Worked from home10.9%
Other means6.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 130 | 37.2% |
| Carpooled | 123 | 35.2% |
| Public transit | 37 | 10.6% |
| Walked | 0 | 0.0% |
| Bicycle | 0 | 0.0% |
| Worked from home | 38 | 10.9% |
| Other means | 21 | 6.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 0 | 0.0% |
| 15 to 29 min | 150 | 48.2% |
| 30 to 44 min | 21 | 6.8% |
| 45 to 59 min | 0 | 0.0% |
| 60+ min | 140 | 45.0% |
Households
- Average household size
- 3.25
- Poverty rate
- 3.1% (20 of 637)
| Count | Share | |
|---|---|---|
| Family households | 137 | 69.9% |
| Nonfamily households | 59 | 30.1% |
Housing
- Median year structure built
- 1969
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 196 | 100.0% |
| Vacant | 0 | 0.0% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 196 | 100.0% |
| Renter-occupied | 0 | 0.0% |
1-unit, detached100.0%
1-unit, attached0.0%
2 to 4 units0.0%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 196 | 100.0% |
| 1-unit, attached | 0 | 0.0% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 94548
- Land area
- 2.31 sq mi
- Water area
- 0.09 sq mi
- Center point
- 37.9743, -121.6514
Counties this ZIP covers
1Compare 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)