Contra Costa County

Contra Costa County has 1,165,012 residents across 43 ZIP codes with their own report. Median household income is $127,229, 28% above the California figure. The typical owner-occupied home is valued at $866,800, and 45% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026

1,165,012residentsACS 2020–2024

$127,229median household incomeCalifornia: $99K

$866,800median home valueowner-occupied homes

96%of households have broadbandhome internet subscription

Contra Costa County in CaliforniaZIP codes in Contra Costa County highlighted; the rest of California in grey

Map of California with Contra Costa County highlighted

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

All 43 ZIP codes.

Colour shows where each zip code sits among the others in the table, from lowest to highest.

ZIP code	Residents	Household income	Home value	Owners	Bachelor's+	Broadband	Commute
94505	14,970	$146K	$831K	90%	33%	98%	46 min
94506	27,055	$250K	$1.96M	88%	75%	99%	41 min
94507	14,586	$250K	$2.00M	92%	78%	98%	33 min
94509	70,090	$86K	$584K	58%	18%	95%	44 min
94511	1,864	$75K	$683K	64%	19%	84%	38 min
94513	69,755	$142K	$838K	82%	38%	97%	42 min
94514	1,953	$77K	$736K	60%	17%	87%	43 min
94516	214	$113K	$785K	72%	66%	93%	38 min
94517	12,316	$169K	$1.03M	89%	58%	99%	40 min
94518	27,345	$112K	$859K	69%	43%	94%	35 min
94519	19,058	$122K	$784K	71%	29%	97%	37 min
94520	37,381	$82K	$601K	38%	29%	93%	32 min
94521	41,909	$126K	$853K	74%	45%	97%	36 min
94523	34,592	$143K	$1.08M	62%	55%	96%	33 min
94525	3,372	$111K	$776K	57%	34%	96%	44 min
94526	32,584	$225K	$1.68M	84%	71%	99%	33 min
94528	1,049	$208K	$2.00M	100%	80%	100%	44 min
94530	26,401	$129K	$1.11M	59%	68%	96%	36 min
94531	46,387	$121K	$702K	73%	32%	97%	47 min
94547	26,302	$129K	$769K	79%	46%	96%	41 min
94548	832	$190K	$960K	100%	22%	85%	61 min
94549	28,420	$235K	$2.00M	79%	79%	98%	33 min
94553	48,643	$124K	$826K	72%	43%	95%	31 min
94556	15,998	$216K	$1.66M	83%	82%	98%	34 min
94561	46,368	$135K	$660K	78%	24%	96%	44 min
94563	19,378	$250K	$1.87M	91%	86%	98%	39 min
94564	18,761	$128K	$719K	79%	39%	91%	39 min
94565	100,488	$96K	$584K	61%	21%	93%	41 min
94569	296	$39K	$600K	56%	28%	100%	4 min
94572	8,976	$91K	$663K	59%	32%	97%	38 min
94575	975	$-666667K	$-666667K	–	33%	–	17 min
94582	47,424	$215K	$1.64M	70%	77%	98%	40 min
94583	39,583	$185K	$1.38M	72%	65%	96%	36 min
94595	16,988	$101K	$861K	82%	70%	93%	31 min
94596	23,417	$136K	$1.28M	44%	71%	99%	34 min
94597	23,129	$132K	$1.03M	46%	65%	98%	36 min
94598	27,206	$186K	$1.34M	76%	74%	97%	32 min
94708	11,947	$235K	$1.59M	85%	88%	98%	40 min
94801	33,591	$82K	$609K	49%	20%	91%	38 min
94803	27,659	$118K	$784K	73%	42%	96%	39 min
94804	44,891	$91K	$632K	54%	33%	91%	35 min
94805	14,670	$111K	$792K	66%	43%	96%	35 min
94806	62,546	$86K	$608K	50%	25%	93%	37 min

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

People.

1,165,012 residents in 414,417 households, next to the California figure.

22%

under 18

20%

aged 18–34

17%

aged 65 and over

22%

of households are people living alone

54%

of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

429,260 housing units; the median owner-occupied home is valued at $866,800 (±$6,426).

68%

of households own their home

68%

of homes are detached single-family houses

17%

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$2,375

median gross rent a month

When homes were built

2020 or later1%

2010–20196%

2000–200912%

1990–199912%

1980–198916%

1970–197918%

1960–196913%

1950–195912%

1940–19496%

1939 or earlier4%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$1,713.

$127,229

median household income

8.4%

of people live below the poverty line

6.5%

unemployment rate

45%

of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

38 min

average commute to work

33%

of commuters travel 45 minutes or more

70%

of workers drive or carpool

take public transportation

walk or bike

21%

work from home

of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

96%

of households have a broadband subscription

have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Around here.

Photographs taken near Contra Costa County, California, shared on Wikimedia Commons under free licences.