Contra Costa County, CA ZIP Codes
47 ZIP codes cover all or part of Contra Costa County, California. The Census Bureau counts 1,165,012 residents in the county, with a median household income of $127,229 and a median home value of $866,800. Median household income ranges from $74,972 in 94511 to $250,000+ in 94506. Its largest communities include Concord, Berkeley, Antioch, Richmond and San Ramon.
Contra Costa County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 1,165,012 |
| Households | 414,417 |
| Median household income | $127,229 |
| Median home value | $866,800 |
| Median age | 40.5 |
| Median rent | $2,375 |
All 47 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,288,106 |
| Households (sum of ZIP codes) | 460,235 |
| Median household income, range across ZIP codes | $74,972 (94511) to $250,000+ (94506) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $140,018 |
| Homeowners | 68.1% |
| Households with kids under 18 | 34.4% |
| Moved in the past year | 10.2% |
| Carrier routes in EDDM2GO's route library | 835 routes, 473,650 homes (41 of 47 ZIP codes) |
Top facts
- Highest median household income in Contra Costa County: 94506 ($250,000+)
- Most residents: 94565 (100,488 people)
- Highest homeownership: 94528 (100.0% own their home)
- Most households with kids: 94582 (46.8% of households)
- Most new movers: 94511 (19.7% moved in last year)
- Youngest median age: 94801 (34.7 years)
- Highest median home value: 94549 ($2,000,000+)
Every ZIP code in Contra Costa County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 94565 | Pittsburg | 100,488 | 30,537 | $95,556 | $583,800 | 60.9% | 40.8% | 10.1% | 43 | 33,485 | 100% of its land |
| 94509 | Antioch | 70,090 | 23,476 | $86,196 | $584,100 | 58.0% | 38.6% | 8.9% | 43 | 24,825 | 100% of its land |
| 94513 | Brentwood | 69,755 | 22,390 | $142,223 | $837,800 | 81.9% | 44.5% | 9.0% | 38 | 25,197 | 100% of its land |
| 94806 | San Pablo | 62,546 | 20,538 | $86,034 | $607,800 | 49.9% | 38.3% | 9.4% | 35 | 21,530 | 100% of its land |
| 94553 | Martinez | 48,643 | 19,141 | $124,130 | $825,900 | 72.3% | 29.2% | 9.8% | 39 | 21,499 | 100% of its land |
| 94582 | San Ramon | 47,424 | 16,466 | $214,677 | $1,635,700 | 70.3% | 46.8% | 11.6% | 16 | 16,152 | 100% of its land |
| 94531 | Antioch | 46,387 | 13,905 | $120,927 | $701,600 | 73.2% | 37.7% | 10.6% | 29 | 15,755 | 100% of its land |
| 94561 | Oakley | 46,368 | 14,105 | $134,678 | $659,800 | 77.9% | 41.1% | 5.1% | 25 | 15,912 | 100% of its land |
| 94804 | Richmond | 44,891 | 16,250 | $91,037 | $631,900 | 53.6% | 31.7% | 8.3% | 28 | 16,797 | 100% of its land |
| 94521 | Concord | 41,909 | 15,938 | $125,899 | $853,200 | 74.3% | 28.4% | 8.6% | 28 | 16,541 | 100% of its land |
| 94583 | San Ramon | 39,583 | 13,890 | $184,898 | $1,383,600 | 72.1% | 40.8% | 10.3% | 24 | 16,365 | 100% of its land |
| 94551 | Livermore | 37,885 | 14,052 | $145,392 | $978,500 | 70.6% | 32.7% | 11.1% | 28 | 16,452 | 37% of its land |
| 94520 | Concord | 37,381 | 13,721 | $82,479 | $601,000 | 37.5% | 33.5% | 13.5% | 22 | 16,784 | 100% of its land |
| 94523 | Pleasant Hill | 34,592 | 13,452 | $142,586 | $1,076,600 | 62.3% | 31.6% | 12.8% | 24 | 15,899 | 100% of its land |
| 94588 | Pleasanton | 34,328 | 12,465 | $191,073 | $1,384,300 | 63.1% | 38.3% | 10.5% | 27 | 14,584 | 49% of its land |
| 94801 | Richmond | 33,591 | 10,593 | $81,728 | $609,000 | 48.5% | 41.5% | 7.4% | 16 | 11,128 | 100% of its land |
| 94526 | Danville | 32,584 | 11,843 | $225,097 | $1,677,700 | 84.1% | 37.2% | 10.9% | 24 | 13,517 | 100% of its land |
| 95219 | Stockton | 31,713 | 11,517 | $112,268 | $581,300 | 60.6% | 37.7% | 15.2% | 18 | 12,887 | 16% of its land |
| 94549 | Lafayette | 28,420 | 10,682 | $234,516 | $2,000,000+ | 78.9% | 36.8% | 10.2% | 27 | 12,158 | 100% of its land |
| 94803 | El Sobrante | 27,659 | 9,562 | $118,447 | $783,900 | 72.8% | 30.7% | 7.2% | 17 | 9,985 | 100% of its land |
| 94518 | Concord | 27,345 | 10,124 | $112,094 | $859,000 | 69.3% | 30.4% | 10.8% | 18 | 10,969 | 100% of its land |
| 94598 | Walnut Creek | 27,206 | 10,828 | $186,225 | $1,339,900 | 76.3% | 28.7% | 11.5% | 23 | 11,658 | 100% of its land |
| 94506 | Danville | 27,055 | 9,185 | $250,000+ | $1,956,800 | 88.1% | 42.4% | 9.8% | 15 | 9,019 | 100% of its land |
| 94530 | El Cerrito | 26,401 | 11,021 | $128,529 | $1,114,100 | 59.2% | 25.6% | 15.0% | 24 | 11,705 | 100% of its land |
| 94547 | Hercules | 26,302 | 9,355 | $129,397 | $769,400 | 79.2% | 31.5% | 7.9% | 12 | 9,421 | 100% of its land |
| 94596 | Walnut Creek | 23,417 | 11,009 | $135,635 | $1,277,800 | 43.6% | 19.2% | 19.0% | 20 | 14,021 | 100% of its land |
| 94597 | Walnut Creek | 23,129 | 10,782 | $132,063 | $1,026,800 | 46.4% | 20.6% | 17.4% | 15 | 12,244 | 100% of its land |
| 94563 | Orinda | 19,378 | 7,218 | $250,000+ | $1,866,500 | 91.2% | 38.0% | 7.1% | 16 | 7,638 | 100% of its land |
| 94519 | Concord | 19,058 | 7,043 | $122,418 | $783,700 | 70.9% | 29.7% | 9.9% | 13 | 7,565 | 100% of its land |
| 94564 | Pinole | 18,761 | 6,588 | $127,717 | $718,600 | 79.4% | 25.9% | 8.9% | 14 | 7,779 | 100% of its land |
| 94595 | Walnut Creek | 16,988 | 9,368 | $100,552 | $860,600 | 81.9% | 12.3% | 12.0% | 18 | 10,502 | 100% of its land |
| 94556 | Moraga | 15,998 | 5,614 | $215,720 | $1,659,600 | 82.9% | 37.9% | 13.0% | 14 | 6,305 | 100% of its land |
| 94505 | Discovery Bay | 14,970 | 5,446 | $146,480 | $830,500 | 90.2% | 32.9% | 8.5% | 13 | 6,070 | 96% of its land |
| 94805 | Richmond | 14,670 | 5,493 | $111,152 | $791,900 | 66.4% | 27.3% | 5.4% | 11 | 5,598 | 100% of its land |
| 94507 | Alamo | 14,586 | 5,098 | $250,000+ | $2,000,000+ | 91.9% | 31.1% | 10.3% | 13 | 5,695 | 100% of its land |
| 94707 | Berkeley | 12,811 | 5,267 | $212,776 | $1,649,300 | 87.5% | 26.9% | 8.6% | 13 | 5,577 | 35% of its land |
| 94517 | Clayton | 12,316 | 4,511 | $168,921 | $1,032,100 | 89.2% | 35.1% | 8.9% | 9 | 4,724 | 100% of its land |
| 94708 | Berkeley | 11,947 | 4,800 | $234,923 | $1,593,000 | 85.0% | 26.5% | 8.4% | 13 | 4,867 | 58% of its land |
| 94572 | Rodeo | 8,976 | 3,015 | $91,484 | $663,200 | 59.0% | 30.6% | 6.3% | 6 | 3,206 | 100% of its land |
| 94525 | Crockett | 3,372 | 1,539 | $110,899 | $776,100 | 56.5% | 26.9% | 5.8% | 3 | 1,684 | 100% of its land |
| 94514 | Byron | 1,953 | 576 | $76,511 | $735,600 | 60.4% | 28.5% | 10.0% | 1 | 255 | 82% of its land |
| 94511 | Bethel Island | 1,864 | 863 | $74,972 | $682,700 | 64.2% | 18.9% | 19.7% | — | — | 100% of its land |
| 94528 | Diablo | 1,049 | 424 | $207,500 | $2,000,000+ | 100.0% | 31.4% | 3.0% | — | — | 100% of its land |
| 94575 | Moraga | 975 | 0 | — | — | — | — | 50.2% | — | — | 100% of its land |
| 94548 | Knightsen | 832 | 259 | $189,653 | $959,900 | 100.0% | 34.0% | 4.1% | — | — | 100% of its land |
| 94569 | Port Costa | 296 | 210 | $38,929 | $600,000 | 56.2% | 16.7% | 0.0% | — | — | 100% of its land |
| 94516 | Canyon | 214 | 76 | $113,333 | $784,700 | 72.4% | 35.5% | 2.4% | — | — | 100% of its land |
A ZIP code is listed for Contra Costa County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Concord — 124,035 residents · 5 ZIP codes
- Berkeley — 120,257 residents · 9 ZIP codes
- Antioch — 116,477 residents · 2 ZIP codes
- Richmond — 115,505 residents · 6 ZIP codes
- San Ramon — 85,993 residents · 2 ZIP codes
- Pittsburg — 76,257 residents · 1 ZIP code
- Walnut Creek — 70,088 residents · 4 ZIP codes
- Brentwood — 65,208 residents · 1 ZIP code
- Oakley — 45,183 residents · 1 ZIP code
- Danville — 43,401 residents · 2 ZIP codes
- Martinez — 36,903 residents · 1 ZIP code
- Pleasant Hill — 34,235 residents · 1 ZIP code
- San Pablo — 31,720 residents · 1 ZIP code
- Hercules — 26,302 residents · 2 ZIP codes
- El Cerrito — 25,994 residents · 1 ZIP code
- Lafayette — 25,285 residents · 1 ZIP code
- Bay Point — 24,231 residents · 1 ZIP code
- Orinda — 19,514 residents · 1 ZIP code
- Pinole — 18,761 residents · 1 ZIP code
- Moraga — 16,769 residents · 2 ZIP codes
- El Sobrante — 16,294 residents · 1 ZIP code
- Discovery Bay — 14,911 residents · 1 ZIP code
- Alamo — 14,488 residents · 1 ZIP code
- Clayton — 10,937 residents · 1 ZIP code
- Blackhawk — 10,137 residents · 1 ZIP code
- Rodeo — 8,976 residents · 2 ZIP codes
- Contra Costa Centre — 6,893 residents · 2 ZIP codes
- Camino Tassajara — 5,831 residents · 1 ZIP code
- Saranap — 5,662 residents · 1 ZIP code
- Kensington — 5,179 residents · 2 ZIP codes
Rankings
- Richest ZIP codes in Contra Costa County — 43 ZIP codes ranked
- ZIP codes with the highest home values in Contra Costa County — 43 ZIP codes ranked
- ZIP codes with the highest homeownership in Contra Costa County — 43 ZIP codes ranked
- ZIP codes with the most families with kids in Contra Costa County — 43 ZIP codes ranked
- ZIP codes with the most new movers in Contra Costa County — 43 ZIP codes ranked
- Youngest ZIP codes in Contra Costa County — 43 ZIP codes ranked
- Oldest ZIP codes in Contra Costa County — 43 ZIP codes ranked
- Fastest-growing ZIP codes in Contra Costa County — 42 ZIP codes ranked
Price a mailing to Contra Costa County ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Contra Costa County, CA?
- 94565, 94509, 94513, 94806, 94553, 94582, 94531, 94561, 94804, 94521, 94583, 94551, 94520, 94523, 94588, 94801, 94526, 95219, 94549, 94803, 94518, 94598, 94506, 94530, 94547, 94596, 94597, 94563, 94519, 94564, 94595, 94556, 94505, 94805, 94507, 94707, 94517, 94708, 94572 and 94525 and 7 more. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Contra Costa County?
- 1,165,012 residents in 414,417 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Contra Costa County?
- $127,229 for the county as a whole. Its ZIP codes range from $74,972 (94511) to $250,000+ (94506).
- Which Contra Costa County ZIP code has the highest median household income?
- 94506, at $250,000+, among ZIP codes with at least 1,000 residents. See the full ranking of Contra Costa County ZIP codes by income.
- How many carrier routes and mailboxes are in Contra Costa County?
- For the 41 of 47 ZIP codes in EDDM2GO's stored route library: 835 carrier routes reaching 473,650 residential and 29,635 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.