Contra Costa County population

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.

Population • Density • Changes • Legends • Position

Do you like population.us?

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

Search

Looking for settlements in Contra Costa County? Visit this page: Settlements in Contra Costa County, CA

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