BUFFALO GROVE                  
Data Source: U.S. Census Bureau    
     
POPULATION BY AGE - 5 year increments
 
Year
1980 1990 2000      
     
       
Total Population 22,230 36,427 42,909        
   Male 11,034 17,867 20,750        
   Female 11,196 18,560 22,159        
Median Age   37.4      
   Male   36.4      
   Female   38.2      
Under 5 Years 2,178 3,489 2,827        
   Male 1,118 1,852 1,420        
   Female 1,060 1,637 1,407        
5 to 9 Years 2,218 3,103 3,509        
   Male 1,101 1,638 1,769          
   Female 1,117 1,465 1,740        
10 to 14 Years 2,333 2,546 3,845        
   Male 1,184 1,302 2,000        
   Female 1,149 1,244 1,845        
15 to 19 Years 1,794 1,995 2,969        
   Male 908 1,023 1,599        
   Female 886 972 1,370        
20 to 24 Years 1,332 1,749 1,513        
   Male 647 839 737        
   Female 685 910 776        
25 to 29 Years 2,065 3,327 2,063        
   Male 918 1,526 968        
   Female 1,147 1,801 1,095        
30 to 34 Years 2,840 4,556 2,954        
   Male 1,322 2,138 1,436        
   Female 1,518 2,418 1,518        
35 to 44 Years 3,827 7,500 8,780        
   Male 2,017 3,672 4,080          
   Female 1,810 3,828 4,700          
    35 to 39 Years   4,144 4,029        
      Male   2,021 1,837        
      Female   2,123 2,192        
    40 to 44 Years   3,356 4,751          
      Male   1,651 2,243        
      Female   1,705 2,508        
45 to 54 Years 1,999 3,879 7,222        
   Male 1,059 1,938 3,550            
   Female 940 1,941 3,672        
    45 to 49 Years   2,350 4,085          
      Male   1,196 2,021        
      Female   1,154 2,064        
    50 to 54 Years   1,529 3,137          
      Male   742 1,529        
      Female   787 1,608        
55 to 59 Years 623 1,238 1,996        
   Male 319 621 984        
   Female 304 617 1,012        
60 to 64 Years 359 1,025 1,348        
   Male 190 493 636        
   Female 169 532 712        
65 to 74 Years 463 1,374 2,223          
   Male 182 585 965        
   Female 281 789 1,258        
    65 to 69 Years   815 1,166        
      Male   345 517        
      Female   470 649        
    70 to 74 Years   559 1,057        
      Male   240 448        
      Female   319 609        
75 to 84 Years 161 558 1,289          
   Male 57 209 501        
   Female 104 349 788        
    75 to 79 Years   373 799        
      Male   143 318        
      Female   230 481        
    80 to 84 Years   185 490        
      Male   66 183        
      Female   119 307        
85 Years and Over 38 88 371        
   Male 12 31 105        
   Female 26 57 266        
     
     
     
 
   
Population by Race and Hispanic Origin   
       
 
     
Year 2000    
Total Population 42,909    
   Single-Race classification 42,421    
     White 38,059    
       Under 18 years of age 10,728    
       18 or older 27,331    
     Black or African-American 325    
       Under 18 years of age 88    
       18 or older 237    
     American Indian or Native Alaskan 24    
       Under 18 years of age 11    
       18 or older 13    
     Asian 3,618    
       Under 18 years of age 1,172    
       18 or older 2,446    
     Native Hawaiian or Pacific Islander 6    
       Under 18 years of age      
       18 or older 6    
     Asian or Pacific Islander 3,624    
       Under 18 years of age 1,172    
       18 or older 2,452    
     Other 389    
       Under 18 years of age 147    
       18 or older 242    
   Two or more races classified 488    
     Under 18 years of age 258    
     18 or older 230    
  1,425    
   Hispanic or Latino    
     Under 18 years of age 500    
     18 or older 925    
   Not Hispanic or Latino 41,484    
     Under 18 years of age 11,904    
     18 or older 29,580    
       
Population by Household for Buffalo Grove, Illinois    
       
       
       
Year
1980 1990 2000        
       
       
Total Population 22,230 36,427 42,909        
Number of Households 7,001 13,335 15,708        
   With people under 18 present 4,017 5,792 6,848        
   With people 65 or older 512 1,516 2,692        
Population in Households 22,230 36,427 42,673        
   In Family Households 20,866 32,489 37,998        
   In Nonfamily Households 1,364 3,938 4,675        
Population in Group Quarters 0 0 236        
   Institutionalized 0 0 234        
   Other 0 0 2        
  3.18 2.73 2.72        
Average Household Size      
Number of Households 7,001 13,335 15,708        
   Single-person households 934 2,756 3,473        
     Male 467 1,090 1,291        
     Female 467 1,666 2,182        
     Householder 65 or older 112 498 1,011        
   Multiple-person households 6,067 10,579 12,235        
     With people 65 or older present 400 1,018 1,681        
     Family households 5,870 10,018 11,663        
       With people under 18 present 4,003 5,771 6,831        
       With people 65 or older present 398 990 1,639        
       Married-couple family 5,394 9,021 10,366        
         With people under 18 present 3,684 5,219 6,041        
       Male householder family, no wife present 104 222 257        
         With people under 18 present 52 104 139        
       Female householder family, no husband present 372 775 1,040        
         With people under 18 present 267 448 651        
     Non-family households 197 561 572        
       With people 65 or older present 2 28 42        
       Male householder 135 332 324        
         
       Female householder 62 229 248        
       
     
Housing Occupancy and Occupant Characteristics   
       
       
Year
1980 1990 2000      
     
     
Housing units 7,862 13,866 16,166      
   Occupied 7,001 13,335 15,708      
     Owner occupied 5,789 11,171 13,682      
     Renter occupied 1,212 2,164 2,026      
   Vacant 861 531 458      
    106 73      
Age of householder      
Owner-occupied housing units:      
   15 to 24 years      
   25 to 34 years   2,813 1,662      
   35 to 44 years   3,758 4,080      
   45 to 54 years   2,134 3,802      
   55 to 64 years   1,266 1,883      
   65 to 74 years   766 1,251      
   75 years and over   328 931      
     75 to 84 years   792      
     85 years and over   139      
    236 165      
Renter-occupied housing units      
   15 to 24 years      
   25 to 34 years   1,034 690      
   35 to 44 years   459 519      
   45 to 54 years   178 361      
   55 to 64 years   107 144      
   65 to 74 years   81 78      
   75 years and over   69 69      
     75 to 84 years   53      
     85 years and over   16      
  5,635 10,686 12,672      
Race of householder      
Owner-occupied housing units:      
   White      
   Black 30 94 82      
   American Indian, Eskimo, Aluet 4 7 2      
   Asian and Pacific Islander 106 362 793      
     Asian   791      
     Native Hawiian/Pacific Islander   2      
   Other or Multiple 26 22 133      
  1,160 2,024 1,622      
Renter-occupied housing units      
   White      
   Black 18 53 52      
   American Indian, Eskimo, Aluet 0 3 0      
   Asian and Pacific Islander 22 73 285      
     Asian   285      
     Native Hawiian/Pacific Islander   0      
   Other or Multiple 0 11 67