LAKE COUNTY                     
Data Source: U.S. Census Bureau    
     
POPULATION BY AGE - 5 year increments
   
Year
1980 1990 2000 Difference Difference Percent Percent    
1990-1980 2000-1990 Change Change    
  1980-1990 1990-2000    
Total Population 440,372 516,418 644,356 76,046 127,938 17.27% 24.77%  
   Male 224,991 261,305 324,034 36,314 62,729 16.14% 24.01%    
   Female 215,381 255,113 320,322 39,732 65,209 18.45% 25.56%    
Median Age 28.3   33.8    
   Male 26.9   32.5      
   Female 29.7   34.9      
Under 5 Years 33,915 43,849 52,978 9,934 9,129 29.29% 20.82%  
   Male 17,174 22,380 27,155 5,206 4,775 30.31% 21.34%    
   Female 16,741 21,469 25,823 4,728 4,354 28.24% 20.28%    
5 to 9 Years 34,337 41,261 55,785 6,924 14,524 20.16% 35.20%  
   Male 17,472 21,257 28,707 3,785 7,450 21.66% 35.05%    
   Female 16,865 20,004 27,078 3,139 7,074 18.61% 35.36%    
10 to 14 Years 38,629 36,859 51,861 -1,770 15,002 -4.58% 40.70%  
   Male 19,833 18,810 26,562 -1,023 7,752 -5.16% 41.21%    
   Female 18,796 18,049 25,299 -747 7,250 -3.97% 40.17%    
15 to 19 Years 48,532 39,778 48,500 -8,754 8,722 -18.04% 21.93%  
   Male 28,562 23,117 26,752 -5,445 3,635 -19.06% 15.72%    
   Female 19,970 16,661 21,748 -3,309 5,087 -16.57% 30.53%    
20 to 24 Years 39,860 37,146 37,733 -2,714 587 -6.81% 1.58%  
   Male 22,092 20,899 20,904 -1,193 5 -5.40% 0.02%    
   Female 17,768 16,247 16,829 -1,521 582 -8.56% 3.58%    
25 to 29 Years 37,899 43,103 39,418 5,204 -3,685 13.73% -8.55%  
   Male 19,145 21,658 20,003 2,513 -1,655 13.13% -7.64%    
   Female 18,754 21,445 19,415 2,691 -2,030 14.35% -9.47%    
30 to 34 Years 37,201 49,671 48,565 12,470 -1,106 33.52% -2.23%  
   Male 18,542 24,569 24,181 6,027 -388 32.50% -1.58%    
   Female 18,659 25,102 24,384 6,443 -718 34.53% -2.86%    
35 to 44 Years 56,952 87,223 115,530 30,271 28,307 53.15% 32.45%  
   Male 28,535 43,536 57,095 15,001 13,559 52.57% 31.14%    
   Female 28,417 43,687 58,435 15,270 14,748 53.74% 33.76%    
    35 to 39 Years   46,364 58,294   11,930   25.73%  
      Male   23,059 28,650   5,591   24.25%    
      Female   23,305 29,644   6,339   27.20%    
    40 to 44 Years   40,859 57,236   16,377   40.08%  
      Male   20,477 28,445   7,968   38.91%    
      Female   20,382 28,791   8,409   41.26%    
45 to 54 Years 45,448 55,608 89,642 10,160 34,034 22.36% 61.20%  
   Male 23,072 28,046 44,810 4,974 16,764 21.56% 59.77%    
   Female 22,376 27,562 44,832 5,186 17,270 23.18% 62.66%    
    45 to 49 Years   31,895 49,340   17,445   54.70%  
      Male   16,048 24,535   8,487   52.89%    
      Female   15,847 24,805   8,958   56.53%    
    50 to 54 Years   23,713 40,302   16,589   69.96%  
      Male   11,998 20,275   8,277   68.99%    
      Female   11,715 20,027   8,312   70.95%    
55 to 59 Years 20,454 19,907 28,964 -547 9,057 -2.67% 45.50%  
   Male 10,246 9,892 14,550 -354 4,658 -3.46% 47.09%    
   Female 10,208 10,015 14,414 -193 4,399 -1.89% 43.92%    
60 to 64 Years 15,333 18,591 20,391 3,258 1,800 21.25% 9.68%  
   Male 7,644 9,300 10,080 1,656 780 21.66% 8.39%    
   Female 7,689 9,291 10,311 1,602 1,020 20.83% 10.98%    
65 to 74 Years 19,749 26,243 30,625 6,494 4,382 32.88% 16.70%    
   Male 8,513 11,993 14,168 3,480 2,175 40.88% 18.14%    
   Female 11,236 14,250 16,457 3,014 2,207 26.82% 15.49%    
    65 to 69 Years   15,150 15,985   835   5.51%  
      Male   7,083 7,495   412   5.82%    
      Female   8,067 8,490   423   5.24%    
    70 to 74 Years   11,093 14,640   3,547   31.98%  
      Male   4,910 6,673   1,763   35.91%    
      Female   6,183 7,967   1,784   28.85%    
75 to 84 Years 9,214 13,029 18,323 3,815 5,294 41.40% 40.63%  
   Male 3,335 4,749 7,340 1,414 2,591 42.40% 54.56%    
   Female 5,879 8,280 10,983 2,401 2,703 40.84% 32.64%    
    75 to 79 Years   8,035 11,075   3,040   37.83%  
      Male   3,108 4,653   1,545   49.71%    
      Female   4,927 6,422   1,495   30.34%    
    80 to 84 Years   4,994 7,248   2,254   45.13%  
      Male   1,641 2,687   1,046   63.74%    
      Female   3,353 4,561   1,208   36.03%  
85 Years and Over 2,849 4,150 6,041 1,301 1,891 45.67% 45.57%  
   Male 826 1,099 1,727 273 628 33.05% 57.14%    
   Female 2,023 3,051 4,314 1,028 1,263 50.82% 41.40%    
     
     
     
POPULATION BY AGE      
     
 
   
Year 2000    
Total Population 644,356    
   Male 324,034    
   Female 320,322    
Median Age 33.8    
   Male 32.5    
   Female 34.9    
Under 1 Year 10,184    
   Male 5,173    
   Female 5,011    
1 Year 10,494    
   Male 5,396    
   Female 5,098    
2 Years 10,440    
   Male 5,341    
   Female 5,099    
3 Years 10,779    
   Male 5,528    
   Female 5,251    
4 Years 11,081    
   Male 5,717    
   Female 5,364    
5 Years 11,098    
   Male 5,748    
   Female 5,350    
6 Years 11,207    
   Male 5,744    
   Female 5,463    
7 Years 11,196    
   Male 5,806    
   Female 5,390    
8 Years 10,946    
   Male 5,648    
   Female 5,298    
9 Years 11,338    
   Male 5,761    
   Female 5,577    
10 Years 11,236    
   Male 5,722    
   Female 5,514    
11 Years 10,647    
   Male 5,524    
   Female 5,123    
12 Years 10,241    
   Male 5,242    
   Female 4,999    
13 Years 9,916    
   Male 5,033    
   Female 4,883    
14 Years 9,821    
   Male 5,041    
   Female 4,780    
15 Years 9,713    
   Male 4,989    
   Female 4,724    
16 Years 9,257    
   Male 4,784    
   Female 4,473    
17 Years 9,770    
   Male 5,090    
   Female 4,680    
18 Years 9,877    
   Male 5,734    
   Female 4,143    
19 Years 9,883    
   Male 6,155    
   Female 3,728    
20 Years 8,541    
   Male 5,029    
   Female 3,512    
21 Years 7,334    
   Male 4,202    
   Female 3,132    
22 to 24 Years 21,858    
   Male 11,673    
   Female 10,185    
25 to 29 Years 39,418    
   Male 20,003    
   Female 19,415    
30 to 34 Years 48,565    
   Male 24,181    
   Female 24,384    
35 to 39 Years 58,294    
   Male 28,650    
   Female 29,644    
40 to 44 Years 57,236    
   Male 28,445    
   Female 28,791    
45 to 49 Years 49,340    
   Male 24,535    
   Female 24,805    
50 to 54 Years 40,302      
   Male 20,275    
   Female 20,027    
55 to 59 Years 28,964    
   Male 14,550    
   Female 14,414    
60 and 61 Years 8,842    
   Male 4,364    
   Female 4,478    
62 to 64 Years 11,549    
   Male 5,716    
   Female 5,833    
65 and 66 Years 6,534    
   Male 3,149    
   Female 3,385    
67 to 69 Years 9,451    
   Male 4,346    
   Female 5,105    
70 to 74 Years 14,640    
   Male 6,673    
   Female 7,967    
75 to 79 Years 11,075    
   Male 4,653    
   Female 6,422    
80 to 84 Years 7,248    
   Male 2,687    
   Female 4,561    
85 Years and Over 6,041    
   Male 1,727    
   Female 4,314    
     
Population by Race and Hispanic Origin     
       
 
     
Year 2000    
Total Population 644,356    
   Single-Race classification 631,427    
     White 516,189    
       Under 18 years of age 144,321    
       18 or older 371,868    
     Black or African-American 44,741    
       Under 18 years of age 15,349    
       18 or older 29,392    
     American Indian or Native Alaskan 1,801    
       Under 18 years of age 516    
       18 or older 1,285    
     Asian 25,105    
       Under 18 years of age 7,007    
       18 or older 18,098    
     Native Hawaiian or Pacific Islander 308    
       Under 18 years of age 65    
       18 or older 243    
     Asian or Pacific Islander 25,413    
       Under 18 years of age 7,072    
       18 or older 18,341    
     Other 43,283    
       Under 18 years of age 15,906    
       18 or older 27,377    
   Two or more races classified 12,929    
     Under 18 years of age 6,200    
     18 or older 6,729    
  92,716    
   Hispanic or Latino    
     Under 18 years of age 34,541    
     18 or older 58,175    
   Not Hispanic or Latino 551,640    
     Under 18 years of age 154,823    
     18 or older 396,817    
       
Population by Household for Lake County, Illinois      
       
       
       
Year
1980 1990 2000 Difference Difference Percent Percent    
1990-1980 2000-1990 Change Change    
  1980-1990 1990-2000    
Total Population 440,372 516,418 644,356 76,046 127,938 17.27% 24.77%    
Number of Households 139,715 173,966 216,297 34,251 42,331 24.51% 24.33%    
   With people under 18 present 66,523 74,616 96,035 8,093 21,419 12.17% 28.71%    
   With people 65 or older 22,478 30,279 38,237 7,801 7,958 34.71% 26.28%    
Population in Households 416,338 495,311 623,378 78,973 128,067 18.97% 25.86%    
   In Family Households 382,325 446,763 558,556 64,438 111,793 16.85% 25.02%    
   In Nonfamily Households 34,013 48,548 64,822 14,535 16,274 42.73% 33.52%    
Population in Group Quarters 24,034 21,107 20,978 -2,927 -129 -12.18% -0.61%    
   Institutionalized 5,146 5,302 5,642 156 340 3.03% 6.41%    
   Other 18,888 15,805 15,336 -3,083 -469 -16.32% -2.97%    
  2.98 2.85 2.88 -0.13 0.03 -4.45% 1.15%    
Average Household Size    
Number of Households 139,715 173,966 216,297 34,251 42,331 24.51% 24.33%    
   Single-person households 23,681 32,207 42,662 8,526 10,455 36% 32.46%    
     Male 10,294 13,920 18,925 3,626 5,005 35.22% 35.96%    
     Female 13,387 18,287 23,737 4,900 5,450 36.60% 29.80%    
     Householder 65 or older 7,596 10,730 13,472 3,134 2,742 41.26% 25.55%    
   Multiple-person households 116,034 141,759 173,635 25,725 31,876 22.17% 22.49%    
     With people 65 or older present 14,882 19,549 24,765 4,667 5,216 31.36% 26.68%    
     Family households 111,561 134,570 163,978 23,009 29,408 20.62% 21.85%    
       With people under 18 present 66,121 74,116 95,425 7,995 21,309 12.09% 28.75%    
       With people 65 or older present 14,406 18,969 23,892 4,563 4,923 31.67% 25.95%    
       Married-couple family 96,678 114,146 136,686 17,468 22,540 18.07% 19.75%    
         With people under 18 present 56,485 61,802 77,159 5,317 15,357 9.41% 24.85%    
       Male householder family, no wife present 3,341 5,222 7,431 1,881 2,209 56.30% 42.30%    
         With people under 18 present 1,686 2,647 4,361 961 1,714 57% 64.75%    
       Female householder family, no husband present 11,542 15,202 19,861 3,660 4,659 31.71% 30.65%    
         With people under 18 present 7,950 9,667 13,905 1,717 4,238 21.60% 43.84%    
     Non-family households 4,473 7,189 9,657 2,716 2,468 60.72% 34.33%    
       With people 65 or older present 476 580 873 104 293 21.85% 50.52%    
       Male householder 2,920 4,505 5,869 1,585 1,364 54.28% 30.28%    
       Female householder 1,553 2,684 3,788 1,131 1,104 72.83% 41.13%    
       
     
Housing Occupancy and Occupant Characteristics     
       
       
Year
1980 1990 2000 Difference Difference Percent Percent    
1990-1980 2000-1990 Change Change    
  1980-1990 1990-2000    
Housing units 148,192 183,283 225,919 35,091 42,636 23.68% 23.26%  
   Occupied 139,715 173,966 216,297 34,251 42,331 24.51% 24.33%    
     Owner occupied 102,419 129,036 168,301 26,617 39,265 25.99% 30.43%    
     Renter occupied 37,296 44,930 47,996 7,634 3,066 20.47% 6.82%    
   Vacant 8,477 9,317 9,622 840 305 9.91% 3.27%    
    1,417 1,553   136   9.60%    
Age of householder    
Owner-occupied housing units:    
   15 to 24 years    
   25 to 34 years   24,267 23,076   -1,191   -4.91%    
   35 to 44 years   36,592 48,395   11,803   32.26%    
   45 to 54 years   26,765 42,695   15,930   59.52%    
   55 to 64 years   19,374 25,196   5,822   30.05%    
   65 to 74 years   13,373 15,984   2,611   19.52%    
   75 years and over   7,248 11,402   4,154   57.31%    
     75 to 84 years   9,264      
     85 years and over   2,138      
    5,502 5,631   129   2.34%    
Renter-occupied housing units    
   15 to 24 years    
   25 to 34 years   16,746 14,660   -2,086   -12.46%    
   35 to 44 years   9,639 11,786   2,147   22.27%    
   45 to 54 years   4,446 7,008   2,562   57.62%    
   55 to 64 years   3,015 3,324   309   10.25%    
   65 to 74 years   2,634 2,428   -206   -7.82%    
   75 years and over   2,948 3,159   211   7.16%    
     75 to 84 years   2,194      
     85 years and over   965      
  96,810 120,683 149,790 23,873 29,107 24.66% 24.12%    
Race of householder    
Owner-occupied housing units:    
   White    
   Black 3,459 4,236 5,890 777 1,654 22.46% 39.05%    
   American Indian, Eskimo, Aluet 98 203 275 105 72 107.14% 35.47%    
   Asian and Pacific Islander 942 2,152 5,528 1,210 3,376 128.45% 156.88%    
     Asian   5,486      
     Native Hawiian/Pacific Islander   42      
   Other or Multiple 1,110 1,762 6,818 652 5,056 58.74% 286.95%    
  31,091 35,739 32,699 4,648 -3,040 14.95% -8.51%    
Renter-occupied housing units    
   White    
   Black 4,314 6,019 8,191 1,705 2,172 39.52% 36.09%    
   American Indian, Eskimo, Aluet 120 169 220 49 51 40.83% 30.18%    
   Asian and Pacific Islander 499 910 1,818 411 908 82.36% 99.78%    
     Asian   1,791      
     Native Hawiian/Pacific Islander   27      
   Other or Multiple 1,272 2,093 5,068 821 2,975 64.54% 142.14%