ZIP code
94548
Knightsen, CA
94548 covers Knightsen in Contra Costa County, with 637 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94548. Methodology
ZIP code map of 94548
About ZIP code 94548
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 94548. Not ACS. Methodology
People in 94548
Race
- White277
- Black or African American3
- Asian3
- Native Hawaiian and Pacific Islander1
- Other race86
- Two or more races50
Hispanic or Latino (any race): 169
Age
- Under 1046
- 10 to 1964
- 20 to 2945
- 30 to 3936
- 40 to 4948
- 50 to 5971
- 60 to 6953
- 70 to 7938
- 80 and older19
Income and housing in 94548
Education
- High school graduate93.9%
- Bachelor's degree33.9%
- Graduate degree21.7%
Places covering 94548
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Knightsen100.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Contra Costa County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 94548
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 829 | |
| 2006 | 813 | |
| 2007 | 911 | |
| 2008 | 893 | |
| 2011 | 396 | |
| 2012 | 430 | |
| 2013 | 338 | |
| 2014 | 400 | |
| 2015 | 373 | |
| 2016 | 379 | 760 |
| 2017 | 418 | |
| 2018 | 501 | |
| 2019 | 377 | |
| 2020 | 248 | |
| 2021 | 470 | |
| 2022 | 598 | |
| 2023 | 637 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 94548
12 nearest ZIP centroids (any distance)
- 94561Oakley2.5 miPop 45,386 · Income $130,859
- 94511Bethel Island3.9 miPop 2,144 · Income $78,393
- 94513Brentwood3.9 miPop 68,160 · Income $139,736
- 94531Antioch7.0 miPop 44,746 · Income $123,428
- 94505Discovery Bay7.7 miPop 15,316 · Income $154,063
- 95219Stockton8.7 miPop 31,200 · Income $105,300
- 94509Antioch8.9 miPop 71,013 · Income $81,512
- 94514Byron10.3 miPop 2,044 · Income $97,946
- 95641Isleton12.8 miPop 2,086 · Income $76,667
- 94571Rio Vista13.6 miPop 10,973 · Income $85,212
- 95391Tracy13.7 miPop 25,193 · Income $171,510
- 94512Birds Landing14.3 miPop 134 · Income —
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 94548, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 94548 FAQ
- What city is ZIP code 94548 in?
- 94548 is in Knightsen, CA.
- What county is 94548 in?
- 94548 is in Contra Costa County.
- What is the median household income in 94548?
- The median household income in 94548 is $183,100.
- Which ZIP codes are near 94548?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 94548.