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Contra Costa County, California Demographics Analysis


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Demographics Analysis

The people of Contra Costa County, California give the community character. This place is unique because of factors such as population size / density, ethnic background, ratio of males to females, and average age.

Population By Sex By Age
(Contra Costa County, California)

Male:

Under 5 years : 33,348

5 to 9 years : 37,647

10 to 14 years : 38,188

15 to 17 years : 23,948

18 and 19 years : 14,093

20 years : 7,378

21 years : 6,589

22 to 24 years : 19,364

25 to 29 years : 32,754

30 to 34 years : 33,581

35 to 39 years : 35,287

40 to 44 years : 36,879

45 to 49 years : 39,885

50 to 54 years : 40,050

55 to 59 years : 35,043

60 and 61 years : 12,674

62 to 64 years : 17,630

65 and 66 years : 10,043

67 to 69 years : 12,068

70 to 74 years : 15,458

75 to 79 years : 10,829

80 to 84 years : 7,731

85 years and over : 6,618

Female:

Under 5 years : 32,201

5 to 9 years : 37,630

10 to 14 years : 34,948

15 to 17 years : 22,443

18 and 19 years : 12,884

20 years : 6,017

21 years : 6,902

22 to 24 years : 18,836

25 to 29 years : 32,507

30 to 34 years : 34,782

35 to 39 years : 36,643

40 to 44 years : 39,371

45 to 49 years : 42,020

50 to 54 years : 42,416

55 to 59 years : 38,556

60 and 61 years : 13,823

62 to 64 years : 19,227

65 and 66 years : 11,487

67 to 69 years : 13,300

70 to 74 years : 18,887

75 to 79 years : 13,610

80 to 84 years : 9,923

85 years and over : 13,962


(updated 2013)



Population By Citizen Status In The United States
(Contra Costa County, California)

U.S. citizen, born in the United States : 809,101

U.S. citizen, born in Puerto Rico or U.S. Island Areas : 2,649

U.S. citizen, born abroad of American parent(s) : 13,474

U.S. citizen by naturalization : 131,842

Not a U.S. citizen : 122,394


(updated 2013)



Place Of Birth By Age
(Contra Costa County, California)

Born in state of residence:

Under 5 years : 61,315

5 to 17 years : 167,215

18 to 24 years : 70,913

25 to 34 years : 73,519

35 to 44 years : 60,482

45 to 54 years : 74,752

55 to 59 years : 30,932

60 and 61 years : 11,186

62 to 64 years : 15,037

65 to 74 years : 26,809

75 years and over : 17,904

Born in other state in the United States:

Under 5 years : 2,553

5 to 17 years : 12,236

18 to 24 years : 5,914

25 to 34 years : 15,158

35 to 44 years : 24,668

45 to 54 years : 36,778

55 to 59 years : 21,270

60 and 61 years : 8,029

62 to 64 years : 10,982

65 to 74 years : 32,756

75 years and over : 28,693

Native, born outside the United States:

Under 5 years : 633

5 to 17 years : 2,095

18 to 24 years : 1,965

25 to 34 years : 2,040

35 to 44 years : 2,748

45 to 54 years : 2,859

55 to 59 years : 1,273

60 and 61 years : 356

62 to 64 years : 705

65 to 74 years : 811

75 years and over : 638

Foreign born:

Under 5 years : 1,048

5 to 17 years : 13,258

18 to 24 years : 13,271

25 to 34 years : 42,907

35 to 44 years : 60,282

45 to 54 years : 49,982

55 to 59 years : 20,124

60 and 61 years : 6,926

62 to 64 years : 10,133

65 to 74 years : 20,867

75 years and over : 15,438


(updated 2013)



Place Of Birth By Marital Status
(Contra Costa County, California)

Born in state of residence:

Never married : 183,015

Now married, except separated : 172,191

Divorced : 42,013

Separated : 8,498

Widowed : 13,789

Born in other state in the United States:

Never married : 30,877

Now married, except separated : 107,475

Divorced : 26,769

Separated : 3,371

Widowed : 18,828

Native; born outside the United States:

Never married : 4,834

Now married, except separated : 7,286

Divorced : 1,287

Separated : 356

Widowed : 520

Foreign born:

Never married : 48,794

Now married, except separated : 157,934

Divorced : 17,966

Separated : 6,616

Widowed : 13,079


(updated 2013)



Place Of Birth By Individual Income
(Contra Costa County, California)

Born in state of residence:

No income : 75,585

With income:

$1 to $9,999 or loss : 69,349

$10,000 to $14,999 : 30,168

$15,000 to $24,999 : 42,190

$25,000 to $34,999 : 34,041

$35,000 to $49,999 : 40,517

$50,000 to $64,999 : 34,412

$65,000 to $74,999 : 17,452

$75,000 or more : 75,792

Born in other state in the United States:

No income : 15,742

With income:

$1 to $9,999 or loss : 19,460

$10,000 to $14,999 : 15,306

$15,000 to $24,999 : 21,488

$25,000 to $34,999 : 16,797

$35,000 to $49,999 : 18,741

$50,000 to $64,999 : 17,917

$65,000 to $74,999 : 8,368

$75,000 or more : 53,501

Native; born outside the United States:

No income : 2,467

With income:

$1 to $9,999 or loss : 1,765

$10,000 to $14,999 : 1,281

$15,000 to $24,999 : 1,931

$25,000 to $34,999 : 882

$35,000 to $49,999 : 1,358

$50,000 to $64,999 : 1,340

$65,000 to $74,999 : 472

$75,000 or more : 2,787

Foreign born:

No income : 44,448

With income:

$1 to $9,999 or loss : 34,833

$10,000 to $14,999 : 20,162

$15,000 to $24,999 : 34,848

$25,000 to $34,999 : 21,043

$35,000 to $49,999 : 24,882

$50,000 to $64,999 : 17,302

$65,000 to $74,999 : 8,158

$75,000 or more : 38,713


(updated 2013)



Median Income By Place Of Birth
(Contra Costa County, California)

Born in state of residence : 33,345

Born in other state of the United States : 44,027

Native; born outside the United States : 35,427

Foreign born : 29,621


(updated 2013)



Population Under 18 Years By Age
(Contra Costa County, California)

Under 3 years : 38,364

3 and 4 years : 26,986

5 years : 14,456

6 to 8 years : 45,570

9 to 11 years : 44,354

12 to 14 years : 43,760

15 to 17 years : 45,901


(updated 2013)



Household Income
(Contra Costa County, California)

Less than $10,000 : 15,888

$10,000 to $14,999 : 14,203

$15,000 to $19,999 : 14,107

$20,000 to $24,999 : 14,804

$25,000 to $29,999 : 12,290

$30,000 to $34,999 : 14,310

$35,000 to $39,999 : 13,860

$40,000 to $44,999 : 13,531

$45,000 to $49,999 : 12,687

$50,000 to $59,999 : 24,475

$60,000 to $74,999 : 35,031

$75,000 to $99,999 : 46,173

$100,000 to $124,999 : 40,200

$125,000 to $149,999 : 28,180

$150,000 to $199,999 : 36,524

$200,000 or more : 43,873


(updated 2013)



Ancestries in Contra Costa County, California

  • Other Groups: 583,076   (54.0%)
  • German: 106,411   (9.9%)
  • Irish: 93,037   (8.6%)
  • Unclassified Or Not Reported: 92,105   (8.5%)
  • English: 81,154   (7.5%)
  • Italian: 66,158   (6.1%)
  • American: 39,405   (3.7%)
  • French (except Basque): 22,020   (2.0%)
  • European: 19,865   (1.8%)
  • Scottish: 18,268   (1.7%)
  • Portuguese: 17,878   (1.7%)
  • Norwegian: 15,511   (1.4%)
  • Russian: 14,694   (1.4%)
  • Polish: 14,232   (1.3%)
  • Swedish: 13,942   (1.3%)
  • Dutch: 11,318   (1.0%)
  • Iranian: 9,880   (0.9%)
  • Subsaharan African: 8,549   (0.8%)
  • Arab: 7,987   (0.7%)
  • Scotch-irish: 7,599   (0.7%)
  • Danish: 7,345   (0.7%)
  • Greek: 5,972   (0.6%)
  • British: 5,408   (0.5%)
  • Welsh: 5,376   (0.5%)
  • Afghan: 4,849   (0.4%)
  • African: 4,837   (0.4%)
  • French Canadian: 3,888   (0.4%)
  • Hungarian: 3,609   (0.3%)
  • Ukrainian: 3,391   (0.3%)
  • Swiss: 3,380   (0.3%)
  • Northern European: 3,087   (0.3%)
  • Austrian: 2,752   (0.3%)
  • Czech: 2,696   (0.2%)
  • Finnish: 2,499   (0.2%)
  • Brazilian: 2,387   (0.2%)
  • Canadian: 2,357   (0.2%)
  • Scandinavian: 2,270   (0.2%)
  • Eastern European: 2,220   (0.2%)
  • Other Arab: 2,184   (0.2%)
  • Romanian: 2,017   (0.2%)
  • Croatian: 1,841   (0.2%)
  • Armenian: 1,769   (0.2%)
  • Arab: 1,719   (0.2%)
  • West Indian (except Hispanic Groups): 1,689   (0.2%)
  • Nigerian: 1,492   (0.1%)
  • Lithuanian: 1,437   (0.1%)
  • Bulgarian: 1,300   (0.1%)
  • Slovak: 1,291   (0.1%)
  • Yugoslavian: 1,115   (0.1%)
  • Ethiopian: 1,094   (0.1%)
  • Israeli: 1,029   (0.1%)
  • Egyptian: 993   (0.1%)
  • Syrian: 952   (0.1%)
  • Lebanese: 862   (0.1%)
  • Jamaican: 784   (0.1%)
  • Palestinian: 754   (0.1%)
  • Belgian: 751   (0.1%)
  • Basque: 658   (0.1%)
  • Czechoslovakian: 635   (0.1%)
  • Slovene: 601   (0.1%)
  • Australian: 577   (0.1%)
  • Latvian: 554   (0.1%)
  • Turkish: 489   (0.0%)
  • Maltese: 472   (0.0%)
  • Iraqi: 380   (0.0%)
  • Serbian: 315   (0.0%)
  • Belizean: 311   (0.0%)
  • South African: 296   (0.0%)
  • Other Subsaharan African: 271   (0.0%)
  • Assyrian/chaldean/syriac: 261   (0.0%)
  • Slavic: 258   (0.0%)
  • Jordanian: 257   (0.0%)
  • Kenyan: 248   (0.0%)
  • Cajun: 225   (0.0%)
  • Liberian: 213   (0.0%)
  • Icelander: 197   (0.0%)
  • Moroccan: 176   (0.0%)
  • Celtic: 169   (0.0%)
  • Ghanaian: 160   (0.0%)
  • Barbadian: 124   (0.0%)
  • Pennsylvania German: 124   (0.0%)
  • West Indian: 118   (0.0%)
  • Trinidadian And Tobagonian: 118   (0.0%)
  • Cape Verdean: 111   (0.0%)
  • Haitian: 101   (0.0%)
  • Luxemburger: 99   (0.0%)
  • Senegalese: 80   (0.0%)
  • Bermudan: 80   (0.0%)
  • New Zealander: 65   (0.0%)
  • Albanian: 57   (0.0%)
  • Dutch West Indian: 53   (0.0%)
  • German Russian: 37   (0.0%)
  • Guyanese: 20   (0.0%)
  • Alsatian: 14   (0.0%)
  • Sudanese: 11   (0.0%)
  • Estonian: 10   (0.0%)
  • Cypriot: 8   (0.0%)

(updated 2013)



Total Population In Contra Costa County, California is 1,079,460



(updated 2013)



Male Population in Contra Costa County, California: 527,085
Female Population in Contra Costa County, California: 552,375


(updated 2013)



Median Male Resident Age in Contra Costa County, California: 37.2
Median Female Resident Age in Contra Costa County, California: 40.1


(updated 2013)



Median Age in the State of California is 35


(updated 2010)



Median Age By Sex in Contra Costa County, California


White


Both sexes

43.3

Male

42.1

Female

44.5

Black or African American


Both sexes

34.7

Male

32.1

Female

36.6

American Indian and Alaska Native


Both sexes

35.8

Male

35.0

Female

36.8

Asian


Both sexes

38.8

Male

37.5

Female

39.9

Native Hawaiian and Other Pacific Islander


Both sexes

32.0

Male

31.3

Female

32.5

Other


Both sexes

27.4

Male

27.3

Female

27.6

Two or More Races


Both sexes

19.2

Male

18.3

Female

20.3

Hispanic or Latino


Both sexes

27.4

Male

26.9

Female

28.0

White / Not Hispanic or Latino


Both sexes

46.3

Male

45.3

Female

47.2


(updated 2010)



Health Insurance Coverage Status By Sex By Age
(Contra Costa County, California)

Male:

Under 6 years:

With health insurance coverage : 38,972

No health insurance coverage : 1,794

6 to 17 years:

With health insurance coverage : 86,501

No health insurance coverage : 5,462

18 to 24 years:

With health insurance coverage : 36,663

No health insurance coverage : 10,308

25 to 34 years:

With health insurance coverage : 46,601

No health insurance coverage : 19,135

35 to 44 years:

With health insurance coverage : 58,843

No health insurance coverage : 13,135

45 to 54 years:

With health insurance coverage : 68,756

No health insurance coverage : 10,966

55 to 64 years:

With health insurance coverage : 58,445

No health insurance coverage : 6,712

65 to 74 years:

With health insurance coverage : 36,739

No health insurance coverage : 376

75 years and over:

With health insurance coverage : 24,249

No health insurance coverage : 165

Female:

Under 6 years:

With health insurance coverage : 37,368

No health insurance coverage : 1,899

6 to 17 years:

With health insurance coverage : 81,798

No health insurance coverage : 6,058

18 to 24 years:

With health insurance coverage : 36,199

No health insurance coverage : 8,421

25 to 34 years:

With health insurance coverage : 53,201

No health insurance coverage : 13,949

35 to 44 years:

With health insurance coverage : 64,577

No health insurance coverage : 11,347

45 to 54 years:

With health insurance coverage : 74,114

No health insurance coverage : 10,213

55 to 64 years:

With health insurance coverage : 65,084

No health insurance coverage : 6,462

65 to 74 years:

With health insurance coverage : 42,670

No health insurance coverage : 800

75 years and over:

With health insurance coverage : 35,522

No health insurance coverage : 210


(updated 2013)



Employer-Based Health Insurance By Sex By Age
(Contra Costa County, California)

Male:

Under 6 years:

With employer-based health insurance : 24,851

No employer-based health insurance : 15,915

6 to 17 years:

With employer-based health insurance : 57,074

No employer-based health insurance : 34,889

18 to 24 years:

With employer-based health insurance : 27,308

No employer-based health insurance : 19,663

25 to 34 years:

With employer-based health insurance : 36,434

No employer-based health insurance : 29,302

35 to 44 years:

With employer-based health insurance : 49,208

No employer-based health insurance : 22,770

45 to 54 years:

With employer-based health insurance : 55,797

No employer-based health insurance : 23,925

55 to 64 years:

With employer-based health insurance : 44,965

No employer-based health insurance : 20,192

65 to 74 years:

With employer-based health insurance : 18,918

No employer-based health insurance : 18,197

75 years and over:

With employer-based health insurance : 11,284

No employer-based health insurance : 13,130

Female:

Under 6 years:

With employer-based health insurance : 23,528

No employer-based health insurance : 15,739

6 to 17 years:

With employer-based health insurance : 56,538

No employer-based health insurance : 31,318

18 to 24 years:

With employer-based health insurance : 25,077

No employer-based health insurance : 19,543

25 to 34 years:

With employer-based health insurance : 38,772

No employer-based health insurance : 28,378

35 to 44 years:

With employer-based health insurance : 51,637

No employer-based health insurance : 24,287

45 to 54 years:

With employer-based health insurance : 59,812

No employer-based health insurance : 24,515

55 to 64 years:

With employer-based health insurance : 47,926

No employer-based health insurance : 23,620

65 to 74 years:

With employer-based health insurance : 20,072

No employer-based health insurance : 23,398

75 years and over:

With employer-based health insurance : 14,483

No employer-based health insurance : 21,249


(updated 2013)



Place Of Birth By Nativity
(Contra Costa County, California)

Native:

Born in state of residence : 610,064

Born in other state in the United States : 199,037

Born outside the United States:

Puerto Rico : 1,424

U.S. Island Areas or born abroad of American parent(s) : 14,699

Foreign born : 254,236


(updated 2013)



Languages Spoken At Home
(Contra Costa County, California)

Speak only English : 671,838

Spanish or Spanish Creole : 180,237

French (including Patois, Creole, Cajun) : 4,459

German or other West Germanic languages : 4,641

Slavic languages : 8,265

Other Indo-European languages : 39,435

Korean : 6,315

Chinese : 31,296

Vietnamese : 6,183

Tagalog : 31,078

Other Asian and Pacific Island languages : 20,224

Other and unspecified languages : 9,940


(updated 2013)



Medicare Coverage By Sex By Age
(Contra Costa County, California)

Male:

Under 18 years:

With Medicare coverage : 574

No Medicare coverage : 132,155

18 to 64 years:

With Medicare coverage : 7,157

No Medicare coverage : 322,407

65 years and over:

With Medicare coverage : 57,983

No Medicare coverage : 3,546

Female:

Under 18 years:

With Medicare coverage : 460

No Medicare coverage : 126,663

18 to 64 years:

With Medicare coverage : 8,665

No Medicare coverage : 334,902

65 years and over:

With Medicare coverage : 74,952

No Medicare coverage : 4,250


(updated 2013)



Races in Contra Costa County, California


  • White: 675,350
  • African American: 97,424
  • American Indian: 5,920
  • Asian: 158,024
  • Native Hawaiian and Other Pacific Islander: 5,217
  • Some Other Race: 74,808
  • Two or More Races: 62,717



(updated 2013)













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