Population.us > Counties > California > Contra Costa County

Population of Contra Costa County

Last official estimated population of Contra Costa County was 1,052,894 (year 2014)[1]. This was 0.33% of total US population and 2.7% of total California state population. Area of Contra Costa County is 803.8 mi² (=2081.8 km²), in this year population density was 1,309.95 p/mi². If population growth rate would be same as in period 2010-2014 (+0.09%/yr), Contra Costa County population in 2024 would be 1,062,629 [0].


Historical population

Historical population of Contra Costa County for period 1860-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1860-1870] +4.73 %/yr
[1870-1880] +4 %/yr
[1880-1890] +0.76 %/yr
[1890-1900] +2.93 %/yr
[1900-1910] +5.79 %/yr
[1910-1920] +5.46 %/yr
[1920-1930] +3.85 %/yr
[1930-1940] +2.48 %/yr
[1940-1950] +11.52 %/yr
[1950-1960] +3.18 %/yr
[1960-1970] +3.16 %/yr
[1970-1980] +1.63 %/yr
[1980-1990] +2.05 %/yr
[1990-2000] +1.67 %/yr
[2000-2005] +1.04 %/yr
[2005-2010] +0.98 %/yr
[2010-2014] +0.09 %/yr

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Demography

Population of Contra Costa County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 32727 31874 64,601
5 to 9 37533 35893 73,426
10 to 14 38924 37548 76,472
15 to 19 37273 35166 72,439
20 to 24 35087 33959 69,046
25 to 29 33985 33407 67,392
30 to 34 35499 36722 72,221
35 to 39 34647 37005 71,652
40 to 44 37925 39640 77,565
45 to 49 39509 41443 80,952
50 to 54 41379 43384 84,763
55 to 59 37318 39797 77,115
60 to 64 30897 34599 65,496
65 to 69 25058 29166 54,224
70 to 74 17064 20486 37,550
75 to 79 11574 14311 25,885
80 to 84 7844 10948 18,792
85+ 7462 14286 21,748

Contra Costa County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.

Race Male Female Total
NH 401459 430321 831,780
WAC 394222 403770 797,992
WA 369772 378633 748,405
NHWAC 266950 277534 544,484
NHWA 248577 258554 507,131
H 140246 139313 279,559
HWAC 127272 126236 253,508
HWA 121195 120079 241,274
AAC 102123 113448 215,571
NHAAC 95747 107040 202,787
AA 85549 96613 182,162
NHAA 82199 93279 175,478
BAC 58229 65846 124,075
NHBAC 52067 59214 111,281
BA 49762 56839 106,601
NHBA 45629 52312 97,941
TOM 27836 28739 56,575
NHTOM 21080 21867 42,947
IAC 12161 12365 24,526
HTOM 6756 6872 13,628
HIAC 6853 6591 13,444
HBAC 6162 6632 12,794
HAAC 6376 6408 12,784
NAC 6049 6475 12,524
NHIAC 5308 5774 11,082
IA 5639 5394 11,033
NHNAC 4631 5049 9,680
HBA 4133 4527 8,660
HIA 4070 3782 7,852
HAA 3350 3334 6,684
NA 3147 3416 6,563
NHNA 2405 2697 5,102
NHIA 1569 1612 3,181
HNAC 1418 1426 2,844
HNA 742 719 1,461

Counties near Contra Costa County

Santa Clara County population 50.3 mi, 163°
Alameda County 18.9 mi, 173°
Sacramento County 49.4 mi, 42°
San Mateo County 41.8 mi, 213°
San Joaquin County 37 mi, 88°
Stanislaus County 57.4 mi, 115°
Solano County 24 mi,
Marin County 44.2 mi, 281°
Yolo County 52.6 mi,
Napa County 45.4 mi, 333°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, archived from the original, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016

[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

See note 1 California Notes

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