Contra Costa County, CA

Demographics   Cities   ZIP Codes
Main / California / Contra Costa County

Contra Costa County, California demographics

Population: 1,161,643
Median age: 39.9

Median household income: 110,455

Demographics, population, home values, social and economic characteristics of Contra Costa County, California.

Population

20211,161,643
20201,147,788
20191,142,251
20181,133,247
20171,123,678
20161,107,925
20151,096,068
20141,081,232
20131,065,794
20121,052,047
20111,037,817
20101,024,809
20091,015,571

Contra Costa County, CA cities

Acalanes Ridge CDP - 1,074

Alamo CDP - 13,852

Alhambra Valley CDP - 982

Antioch city - 114,750

Bay Point CDP - 24,999

Bayview CDP - 2,825

Bethel Island CDP - 2,119

Blackhawk CDP - 10,874

Brentwood city - 63,618

Byron CDP - 2,113

Camino Tassajara CDP - 6,279

Castle Hill CDP - 920

Clayton city - 11,136

Clyde CDP - 633

Concord city - 125,769

Crockett CDP - 3,405

Danville town - 43,673

Diablo CDP - 689

Discovery Bay CDP - 15,704

East Richmond Heights CDP - 3,355

El Cerrito city - 25,898

El Sobrante CDP - 15,468

Hercules city - 26,050

Kensington CDP - 5,288

Knightsen CDP - 1,310

Lafayette city - 25,384

Martinez city - 37,308

Montalvin Manor CDP - 2,232

Moraga town - 16,750

Mountain View CDP - 1,868

Norris Canyon CDP - 895

North Gate CDP - 687

North Richmond CDP - 3,928

Oakley city - 42,996

Orinda city - 19,497

Pacheco CDP - 5,129

Pinole city - 19,065

Pittsburg city - 75,701

Pleasant Hill city - 34,649

Port Costa CDP - 247

Reliez Valley CDP - 3,168

Richmond city - 115,677

Rodeo CDP - 9,575

Rollingwood CDP - 3,535

San Miguel CDP - 3,573

San Pablo city - 31,975

San Ramon city - 85,688

Saranap CDP - 6,148

Shell Ridge CDP - 1,081

Tara Hills CDP - 5,080

Vine Hill CDP - 3,382

Walnut Creek city - 69,876

Contra Costa County, CA ZIP Codes

Census data for Contra Costa County, California

Demographic and housing estimates in Contra Costa County, California

Total population
Total population1,161,643
Male571,006
Female590,637
Population by age
Total population1,161,643
Under 5 years64,333
5 to 9 years71,330
10 to 14 years79,499
15 to 19 years75,458
20 to 24 years66,003
25 to 34 years145,267
35 to 44 years159,680
45 to 54 years161,895
55 to 59 years82,075
60 to 64 years72,072
65 to 74 years109,672
75 to 84 years52,404
85 years and over21,955
Median age (years)39.9
Under 18 years263,508
16 years and over930,333
18 years and over898,135
21 years and over858,898
62 years and over225,125
65 years and over184,031
Population by race
Total population1,161,643
One race1,037,322
   White580,523
   Black or African American100,260
   American Indian and Alaska Native7,807
   Asian206,918
   Native Hawaiian and Other Pacific Islander5,611
   Some other race136,203
Two or more races124,321
Citizen, voting age population
Citizen, VOTING AGE 18 and over population785,618
Male Citizen, VOTING AGE 18 and over population380,360
Female Citizen, VOTING AGE 18 and over population405,258

Social characteristics in Contra Costa County, California

Households by type
Total households405,106
Family households (families)221,647
Married-couple family26,153
Male householder, no wife present, family56,783
Female householder, no husband present, family36,266
Nonfamily households100,523
Average household size130,753
Average family size2.84

Economic characteristics in Contra Costa County, California

Income and benefits (in inflation-adjusted dollars)
Total households405,106
Less than $10,00014,340
$10,000 to $14,99910,199
$15,000 to $24,99915,668
$25,000 to $34,99919,184
$35,000 to $49,99927,806
$50,000 to $74,99949,577
$75,000 to $99,99945,903
$100,000 to $149,99976,962
$150,000 to $199,99951,734
$200,000 or more93,733
Median household income (dollars)110,455

Housing characteristics in Contra Costa County, California

Housing occupancy
Total housing units421,239
Occupied housing units405,106
Vacant housing units16,133
Units in structure
Total housing units421,239
1-unit, detached281,433
1-unit, attached36,417
2 units5,879
3 or 4 units19,592
5 to 9 units15,688
10 to 19 units14,002
20 or more units41,330
Mobile home6,474
Boat, RV, van, etc.424
Year structure built
Total housing units421,239
Built 2014 or later350
Built 2010 to 201318,615
Built 2000 to 200950,022
Built 1990 to 199953,879
Built 1980 to 198966,031
Built 1970 to 197977,782
Built 1960 to 196955,826
Built 1950 to 195952,070
Built 1940 to 194928,540
Built 1939 or earlier18,124
Rooms
Total housing units421,239
1 room10,659
2 rooms10,362
3 rooms33,922
4 rooms62,762
5 rooms75,157
6 rooms73,688
7 rooms59,038
8 rooms44,736
9 rooms or more50,915
Median rooms5.7
Bedrooms
Total housing units421,239
No bedroom11,849
1 bedroom37,512
2 bedrooms92,932
3 bedrooms142,011
4 bedrooms105,472
5 or more bedrooms31,463
Housing tenure
Occupied housing units405,106
Owner-occupied271,379
Renter-occupied133,727
Average household size of owner-occupied unit2.87
Average household size of renter-occupied unit2.80
Year householder moved into unit
Occupied housing units405,106
Moved in 2017 or later34,120
Moved in 2015 to 2016106,773
Moved in 2010 to 201481,894
Moved in 2000 to 200986,434
Moved in 1990 to 199946,855
Moved in 1989 and earlier49,030
Value
Owner-occupied units271,379
Less than $50,0003,637
$50,000 to $99,9993,178
$100,000 to $149,9992,176
$150,000 to $199,9992,402
$200,000 to $299,9997,707
$300,000 to $499,99954,899
$500,000 to $999,999127,653
$1,000,000 or more69,727
Median (dollars)689,000
Mortgage status
Owner-occupied units271,379
Housing units with a mortgage198,058
Housing units without a mortgage73,321
Gross rent
Occupied units paying rent129,134
Less than $5005,008
$500 to $9997,805
$1,000 to $1,49917,570
$1,500 to $1,99930,391
$2,000 to $2,49931,038
$2,500 to $2,99919,106
$3,000 or more18,216
Median (dollars)2,061
No rent paid4,593

Demographic data for Contra Costa County, CA and each city in the county. Lists of cities by population, wealth and poverty in Contra Costa County, CA.

Links

US demographics

California demographics

Butte County

Calaveras County

Colusa County

Del Norte County

El Dorado County

Fresno County