Cook County population

Population of Cook County

Last official estimated population of Cook County was 5,198,716 (year 2014)^[1]. This was 1.63% of total US population and 40.4% of total Illinois state population. Area of Cook County is 1,634.8 mi² (=4234 km²), in this year population density was 3,180.10 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Cook County population in 2026 would be 5,210,858 ^[0].

Historical population

Historical population of Cook County for period 1840-2014 ^[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

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Annual growth rate

[1840-1850] +15.58 %/yr
[1850-1860] +12.82 %/yr
[1860-1870] +9.21 %/yr
[1870-1880] +5.67 %/yr
[1880-1890] +6.97 %/yr
[1890-1900] +4.43 %/yr
[1900-1910] +2.72 %/yr
[1910-1920] +2.41 %/yr
[1920-1930] +2.69 %/yr
[1930-1940] +0.2 %/yr
[1940-1950] +1.05 %/yr
[1950-1960] +1.3 %/yr
[1960-1970] +0.69 %/yr
[1970-1980] -0.44 %/yr
[1980-1990] -0.29 %/yr
[1990-2000] +0.52 %/yr
[2000-2005] -0.64 %/yr
[2005-2010] -0.05 %/yr
[2010-2014] +0.02 %/yr

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Looking for settlements in Cook County? Visit this page: Settlements in Cook County, IL

Demography

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

Age Gr.	(M)	(F)	Total
0 to 4	172244	166330	338,574
5 to 9	165762	161075	326,837
10 to 14	164417	159664	324,081
15 to 19	165424	161463	326,887
20 to 24	181615	184173	365,788
25 to 29	214718	220044	434,762
30 to 34	207976	211691	419,667
35 to 39	181065	182220	363,285
40 to 44	172892	177603	350,495
45 to 49	166423	170824	337,247
50 to 54	170745	181184	351,929
55 to 59	162800	178791	341,591
60 to 64	133525	152403	285,928
65 to 69	101270	119744	221,014
70 to 74	68353	88963	157,316
75 to 79	47913	67864	115,777
80 to 84	33584	52559	86,143
85+	31900	67235	99,135

Cook 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	1874422	2061233	3,935,655
WAC	1751735	1783039	3,534,774
WA	1711205	1740618	3,451,823
NHWAC	1129300	1185954	2,315,254
NHWA	1099510	1154534	2,254,044
BAC	603559	720831	1,324,390
H	668204	642597	1,310,801
BA	582223	697117	1,279,340
NHBAC	576765	692319	1,269,084
NHBA	561193	674725	1,235,918
HWAC	622435	597085	1,219,520
HWA	611695	586084	1,197,779
AAC	199501	215306	414,807
NHAAC	192164	207914	400,078
AA	180225	195572	375,797
NHAA	175651	191025	366,676
TOM	46494	49242	95,736
NHTOM	34534	36990	71,524
IAC	34430	34718	69,148
HBAC	26794	28512	55,306
HIAC	23207	21686	44,893
HBA	21030	22392	43,422
IA	20457	19349	39,806
HIA	17489	15918	33,407
NHIAC	11223	13032	24,255
HTOM	11960	12252	24,212
HAAC	7337	7392	14,729
HAA	4574	4547	9,121
NAC	4101	4139	8,240
NHIA	2968	3431	6,399
NHNAC	2121	2215	4,336
NA	2022	1932	3,954
HNAC	1980	1924	3,904
HNA	1456	1404	2,860
NHNA	566	528	1,094

Counties near Cook County

• DuPage County population 22.9 mi, 262°
• Lake County 31.7 mi, 19°
• Will County 35.3 mi, 209°
• Kane County 40.4 mi, 274°
• Lake County 32.3 mi, 154°
• McHenry County 50.9 mi, 305°
• Kenosha County 48.7 mi, 13°
• Porter County 39.8 mi, 131°
• Berrien County 47 mi, 98°
• Kendall County 45.7 mi, 242°