Alameda County, California ZIP codes
69 ZIP codes are in Alameda County, plus 4 that cross in from neighboring counties. It's part of the San Francisco-Oakland-Fremont, CA metro area.
- ZIP codes
- 69
- Population in these ZIPs
- 1,668,635
- Avg. median income
- $137,300population-weighted
- Cities & towns
- 18
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Alameda County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 94501 | Alameda | 63,808 | $127,906 | $1,147,300 |
| 94502 | Alameda | 13,430 | $180,938 | $1,142,100 |
| 94536 | Fremont | 70,619 | $167,662 | $1,375,200 |
| 94537 PO Box | Fremont | — | — | — |
| 94538 | Fremont | 67,781 | $147,301 | $1,254,300 |
| 94539 | Fremont | 52,396 | $243,552 | $2,155,200 |
| 94540 PO Box | Hayward | — | — | — |
| 94541 | Hayward | 67,139 | $105,729 | $759,900 |
| 94542 | Hayward | 14,871 | $133,734 | $1,212,600 |
| 94543 PO Box | Hayward | — | — | — |
| 94544 | Hayward | 76,947 | $107,785 | $804,000 |
| 94545 | Hayward | 32,843 | $114,356 | $874,600 |
| 94546 | Castro Valley | 44,855 | $128,385 | $1,006,900 |
| 94550 | Livermore | 49,873 | $180,295 | $1,195,600 |
| 94551 | Livermore | 37,885 | $145,392 | $963,200 |
| 94552 | Castro Valley | 14,506 | $212,605 | $1,364,600 |
| 94555 | Fremont | 37,501 | $219,938 | $1,425,500 |
| 94557 PO Box | Hayward | — | — | — |
| 94560 | Newark | 46,903 | $169,064 | $1,185,000 |
| 94566 | Pleasanton | 44,222 | $191,155 | $1,644,000 |
| 94568 | Dublin | 70,803 | $214,385 | $1,229,100 |
| 94577 | San Leandro | 46,317 | $108,772 | $794,000 |
| 94578 | San Leandro | 41,769 | $94,084 | $766,000 |
| 94579 | San Leandro | 20,017 | $99,040 | $840,600 |
| 94580 | San Lorenzo | 29,420 | $110,729 | $797,500 |
| 94586 | Sunol | 971 | $204,931 | $1,427,200 |
| 94587 | Union City | 67,464 | $133,715 | $1,196,400 |
| 94588 | Pleasanton | 34,328 | $191,073 | $1,352,000 |
| 94601 | Oakland | 53,259 | $72,359 | $553,400 |
| 94602 | Oakland | 31,759 | $122,263 | $1,012,300 |
| 94603 | Oakland | 35,742 | $76,723 | $507,500 |
| 94604 PO Box | Oakland | — | — | — |
| 94605 | Oakland | 44,103 | $106,068 | $659,200 |
| 94606 | Oakland | 39,966 | $72,470 | $594,000 |
| 94607 | Oakland | 28,804 | $94,863 | $513,800 |
| 94608 | Emeryville | 34,395 | $120,239 | $604,500 |
| 94609 | Oakland | 23,928 | $107,834 | $968,000 |
| 94610 | Oakland | 32,628 | $134,507 | $1,200,900 |
| 94611 | Oakland | 40,116 | $180,549 | $1,409,500 |
| 94612 | Oakland | 18,175 | $74,037 | $530,700 |
| 94613 | Oakland | 472 | — | — |
| 94614 PO Box | Oakland | — | — | — |
| 94615 PO Box | Oakland | — | — | — |
| 94617 PO Box | Oakland | — | — | — |
| 94618 | Oakland | 16,958 | $201,780 | $1,653,300 |
| 94619 | Oakland | 26,831 | $129,867 | $832,200 |
| 94620 PO Box | Piedmont | — | — | — |
| 94621 | Oakland | 33,840 | $52,049 | $445,400 |
| 94622 PO Box | Oakland | — | — | — |
| 94623 PO Box | Oakland | — | — | — |
| 94624 PO Box | Oakland | — | — | — |
| 94649 PO Box | Oakland | — | — | — |
| 94659 PO Box | Oakland | — | — | — |
| 94660 PO Box | Oakland | — | — | — |
| 94661 PO Box | Oakland | — | — | — |
| 94662 PO Box | Emeryville | — | — | — |
| 94666 PO Box | Oakland | — | — | — |
| 94701 PO Box | Berkeley | — | — | — |
| 94702 | Berkeley | 17,635 | $99,775 | $1,161,100 |
| 94703 | Berkeley | 20,934 | $109,881 | $1,257,300 |
| 94704 | Berkeley | 23,788 | $50,129 | $1,138,800 |
| 94705 | Berkeley | 13,991 | $167,970 | $1,974,400 |
| 94706 | Albany | 19,969 | $143,398 | $1,241,700 |
| 94707 | Berkeley | 12,811 | $212,776 | $1,775,000 |
| 94709 | Berkeley | 12,146 | $89,054 | $1,323,900 |
| 94710 | Berkeley | 8,380 | $102,227 | $985,000 |
| 94712 PO Box | Berkeley | — | — | — |
| 94720 | Berkeley | 5,763 | — | $507,800 |
| 95391 | Tracy | 25,574 | $176,952 | $848,100 |
ZIP codes partly in Alameda County
These ZIP codes are mostly in a neighboring county but cover part of Alameda County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 94505 | Discovery Bay | Contra Costa County | 14,970 | $146,480 | $773,800 |
| 94514 | Byron | Contra Costa County | 1,953 | $76,511 | $839,600 |
| 94708 | Berkeley | Contra Costa County | 11,947 | $234,923 | $1,627,200 |
| 95377 | Tracy | San Joaquin County | 37,739 | $158,158 | $736,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Alameda County
Nearby counties
Frequently asked questions
How many ZIP codes are in Alameda County, California?
69 ZIP codes are mainly in Alameda County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Alameda County?
ZIP codes in Alameda County use the city names Alameda, Albany, Berkeley, Castro Valley, Dublin, Emeryville, Fremont, Hayward, Livermore, Newark, Oakland and Piedmont and others.
What metro area is Alameda County in?
Alameda County is part of the San Francisco-Oakland-Fremont, CA metropolitan statistical area.