COOK COUNTY                
Data Source: U.S. Census Bureau    
   
POPULATION BY AGE - 5 year increments
   
Year
1980 1990 2000    
   
   
Total Population 5,253,655 5,105,067 5,376,741    
   Male 2,516,853 2,455,036 2,603,532    
   Female 2,736,802 2,650,031 2,773,209    
Median Age 30.3   33.6    
   Male 29   32.2    
   Female 31.6   35.1    
Under 5 Years 376,680 380,591 388,201    
   Male 191,853 194,146 198,013    
   Female 184,827 186,445 190,188    
5 to 9 Years 380,535 357,080 406,508    
   Male 193,551 181,886 207,703    
   Female 186,984 175,194 198,805    
10 to 14 Years 417,070 338,949 380,589    
   Male 211,951 172,695 193,934    
   Female 205,119 166,254 186,655    
15 to 19 Years 473,725 350,706 368,175    
   Male 238,831 180,367 188,831    
   Female 234,894 170,339 179,344    
20 to 24 Years 493,431 398,810 385,321    
   Male 240,800 199,817 192,950    
   Female 252,631 198,993 192,371    
25 to 29 Years 465,346 480,563 444,365    
   Male 227,625 239,682 222,291    
   Female 237,721 240,881 222,074    
30 to 34 Years 397,350 464,244 428,459    
   Male 192,739 229,555 215,342    
   Female 204,611 234,689 213,117    
35 to 44 Years 589,804 742,837 832,847    
   Male 282,230 360,790 410,322    
   Female 307,574 382,047 422,525    
    35 to 39 Years   399,120 422,932    
      Male   195,308 210,144    
      Female   203,812 212,788    
    40 to 44 Years   343,717 409,915    
      Male   165,482 200,178    
      Female   178,235 209,737    
45 to 54 Years 552,013 514,375 673,290    
   Male 264,523 243,413 322,367    
   Female 287,490 270,962 350,923    
    45 to 49 Years   276,292 359,941    
      Male   131,164 173,419    
      Female   145,128 186,522    
    50 to 54 Years   238,083 313,349    
      Male   112,249 148,948    
      Female   125,834 164,401    
55 to 59 Years 287,753 220,048 240,501    
   Male 136,294 103,592 112,214    
   Female 151,459 116,456 128,287    
60 to 64 Years 247,495 223,632 198,220    
   Male 113,861 103,342 90,692    
   Female 133,634 120,290 107,528    
65 to 74 Years 355,273 372,424 328,628      
   Male 148,588 158,435 142,634    
   Female 206,685 213,989 185,994    
    65 to 69 Years   207,425 169,363    
      Male   91,162 75,299    
      Female   116,263 94,064    
    70 to 74 Years   164,999 159,265    
      Male   67,273 67,335    
      Female   97,726 91,930    
75 to 84 Years 170,283 201,807 225,117    
   Male 59,889 71,492 84,932    
   Female 110,394 130,315 140,185    
    75 to 79 Years   125,023 134,107    
      Male   46,565 53,015    
      Female   78,458 81,092    
    80 to 84 Years   76,784 91,010    
      Male   24,927 31,917    
      Female   51,857 59,093    
85 Years and Over 46,897 59,001 76,520    
   Male 14,118 15,824 21,307    
   Female 32,779 43,177 55,213    
       
       
       
 
     
Population by Race and Hispanic Origin     
         
 
       
Year 2000      
Total Population 5,376,741      
   Single-Race classification 5,240,518      
     White 3,025,760      
       Under 18 years of age 644,202      
       18 or older 2,381,558      
     Black or African-American 1,405,361      
       Under 18 years of age 450,422      
       18 or older 954,939      
     American Indian or Native Alaskan 15,496      
       Under 18 years of age 4,988      
       18 or older 10,508  
     Asian 260,170  
       Under 18 years of age 56,852  
       18 or older 203,318  
     Native Hawaiian or Pacific Islander 2,561  
       Under 18 years of age 694  
       18 or older 1,867  
     Asian or Pacific Islander 262,731  
       Under 18 years of age 57,546  
       18 or older 205,185  
     Other 531,170  
       Under 18 years of age 190,613  
       18 or older 340,557  
   Two or more races classified 136,223  
     Under 18 years of age 50,048  
     18 or older 86,175  
  1,071,740  
   Hispanic or Latino  
     Under 18 years of age 382,357  
     18 or older 689,383  
   Not Hispanic or Latino 4,305,001  
     Under 18 years of age 1,015,462  
     18 or older 3,289,539  
     
Population by Household for Cook County, Illinois    
     
     
     
Year
1980 1990 2000    
   
   
Total Population 5,253,655 5,105,067 5,376,741    
Number of Households 1,879,117 1,879,488 1,974,181    
   With people under 18 present 702,581 645,532 694,778    
   With people 65 or older 423,241 462,495 463,684    
Population in Households 5,172,462 5,021,054 5,283,124    
   In Family Households 4,501,149 4,260,562 4,417,333    
   In Nonfamily Households 671,313 760,492 865,791    
Population in Group Quarters 81,193 84,013 93,617    
   Institutionalized 42,086 46,069 47,532    
   Other 39,107 37,944 46,085    
  2.75 2.67 2.68    
Average Household Size    
Number of Households 1,879,117 1,879,488 1,974,181    
   Single-person households 502,522 530,253 580,001    
     Male 210,798 219,458 249,752    
     Female 291,724 310,795 330,249    
     Householder 65 or older 161,292 184,123 183,903    
   Multiple-person households 1,376,595 1,349,235 1,394,180    
     With people 65 or older present 261,949 278,372 279,781    
     Family households 1,302,453 1,248,468 1,269,592    
       With people under 18 present 697,964 640,319 689,178    
       With people 65 or older present 252,017 267,692 268,309    
       Married-couple family 973,075 878,032 868,244    
         With people under 18 present 496,366 424,197 444,009    
       Male householder family, no wife present 64,168 81,055 94,269    
         With people under 18 present 25,740 35,262 46,380    
       Female householder family, no husband present 265,210 289,381 307,079    
         With people under 18 present 175,858 180,860 198,789    
     Non-family households 74,142 100,767 124,588    
       With people 65 or older present 9,932 10,680 11,472    
       Male householder 44,601 59,762 71,289    
       
       Female householder 29,541 41,005 53,299    
     
       
Housing Occupancy and Occupant Characteristics     
     
     
Year
1980 1990 2000    
   
   
Housing units 1,993,006 2,021,833 2,096,121    
   Occupied 1,879,117 1,879,488 1,974,181    
     Owner occupied 979,818 1,042,904 1,142,677    
     Renter occupied 899,299 836,584 831,504    
   Vacant 113,889 142,345 121,940    
    10,156 12,088    
Age of householder    
Owner-occupied housing units:    
   15 to 24 years    
   25 to 34 years   146,431 140,852    
   35 to 44 years   228,666 254,457    
   45 to 54 years   198,300 256,053    
   55 to 64 years   188,354 186,727    
   65 to 74 years   168,501 153,343    
   75 years and over   102,496 139,157    
     75 to 84 years   110,544    
     85 years and over   28,613    
    77,430 80,055    
Renter-occupied housing units    
   15 to 24 years    
   25 to 34 years   274,200 254,237    
   35 to 44 years   175,966 186,500    
   45 to 54 years   97,330 125,997    
   55 to 64 years   76,396 72,715    
   65 to 74 years   71,329 54,202    
   75 years and over   63,933 57,798    
     75 to 84 years   40,912    
     85 years and over   16,886    
  804,861 823,412 825,383    
Race of householder    
Owner-occupied housing units:    
   White    
   Black 140,483 161,406 200,213    
   American Indian, Eskimo, Aluet 704 1,078 1,920    
   Asian and Pacific Islander 14,831 26,908 42,587    
     Asian   42,341    
     Native Hawiian/Pacific Islander   246    
   Other or Multiple 18,939 30,100 72,574    
  538,450 468,134 412,773    
Renter-occupied housing units    
   White    
   Black 284,644 273,167 276,380    
   American Indian, Eskimo, Aluet 1,928 2,273 2,643    
   Asian and Pacific Islander 19,004 28,667 43,887    
     Asian   43,436    
     Native Hawiian/Pacific Islander   451    
   Other or Multiple 55,273 64,343 95,821