1990 Population for IL

 FIPS Population Households Area(SqKm)
17001     66090     25515    2256.721 IL Adams County
17003     10626      4234     654.110 IL Alexander County
17005     14991      5652     991.120 IL Bond County
17007     30806     10950     730.278 IL Boone County
17009      5836      1991     795.809 IL Brown County
17011     35688     13790    2261.999 IL Bureau County
17013      5322      2048     734.798 IL Calhoun County
17015     16805      6638    1206.438 IL Carroll County
17017     13437      5195     993.935 IL Cass County
17019    173025     63900    2583.689 IL Champaign County
17021     34418     13591    1853.692 IL Christian County
17023     15921      6394    1307.726 IL Clark County
17025     14460      5708    1216.961 IL Clay County
17027     33944     11583    1304.076 IL Clinton County
17029     51644     18957    1321.153 IL Coles County
17031   5105067   1879488    2488.543 IL Cook County
17033     19464      7792    1154.539 IL Crawford County
17035     10670      4029     898.777 IL Cumberland County
17037     77932     26413    1644.697 IL DeKalb County
17039     16516      6488    1049.406 IL De Witt County
17041     19464      7206    1081.176 IL Douglas County
17043    781666    279344     872.502 IL DuPage County
17045     19595      7859    1616.719 IL Edgar County
17047      7440      3016     576.711 IL Edwards County
17049     31704     11465    1243.023 IL Effingham County
17051     20893      7719    1878.771 IL Fayette County
17053     14275      5602    1259.867 IL Ford County
17055     40319     16564    1117.390 IL Franklin County
17057     38080     14893    2286.097 IL Fulton County
17059      6909      2784     850.607 IL Gallatin County
17061     15317      5910    1415.106 IL Greene County
17063     32337     11979    1114.844 IL Grundy County
17065      8499      3476    1128.890 IL Hamilton County
17067     21373      8409    2109.764 IL Hancock County
17069      5189      2049     470.196 IL Hardin County
17071      8096      3237    1023.440 IL Henderson County
17073     51159     19514    2138.410 IL Henry County
17075     30787     11788    2895.905 IL Iroquois County
17077     61067     23466    1560.584 IL Jackson County
17079     10609      3962    1289.966 IL Jasper County
17081     37020     14606    1511.882 IL Jefferson County
17083     20539      7344     976.559 IL Jersey County
17085     21821      8371    1602.666 IL Jo Daviess County
17087     11347      3725     903.613 IL Johnson County
17089    317471    107176    1357.463 IL Kane County
17091     96255     34623    1765.053 IL Kankakee County
17093     39413     13301     835.769 IL Kendall County
17095     56393     21909    1864.118 IL Knox County
17097    516418    173966    1218.159 IL Lake County
17099    106913     41284    2973.620 IL La Salle County
17101     15972      6320     968.570 IL Lawrence County
17103     34392     12475    1888.982 IL Lee County
17105     39301     13737    2707.829 IL Livingston County
17107     30798     11033    1603.308 IL Logan County
17109     35244     12255    1528.267 IL McDonough County
17111    183241     62940    1582.954 IL McHenry County
17113    129180     46796    3072.595 IL McLean County
17115    117206     45996    1516.194 IL Macon County
17117     47679     18176    2247.212 IL Macoupin County
17119    249238     94857    1917.599 IL Madison County
17121     41561     16272    1491.135 IL Marion County
17123     12846      4900    1032.204 IL Marshall County
17125     16269      6342    1459.231 IL Mason County
17127     14752      5908     627.114 IL Massac County
17129     11164      4199     816.880 IL Menard County
17131     17290      6572    1473.473 IL Mercer County
17133     22422      8189    1030.109 IL Monroe County
17135     30728     11480    1838.350 IL Montgomery County
17137     36397     13678    1482.237 IL Morgan County
17139     13930      5122     892.204 IL Moultrie County
17141     45957     17132    1977.034 IL Ogle County
17143    182827     70797    1634.066 IL Peoria County
17145     21412      8306    1157.312 IL Perry County
17147     15548      5934    1140.494 IL Piatt County
17149     17577      7016    2198.693 IL Pike County
17151      4373      1611     970.350 IL Pope County
17153      7523      2957     526.659 IL Pulaski County
17155      5730      2204     446.125 IL Putnam County
17157     34583     11949    1546.993 IL Randolph County
17159     16545      6503     937.667 IL Richland County
17161    148723     59317    1168.580 IL Rock Island County
17163    262852     95333    1745.624 IL St. Clair County
17165     26551     10839    1002.306 IL Saline County
17167    178386     72146    2271.719 IL Sangamon County
17169      7498      3002    1143.297 IL Schuyler County
17171      5644      2190     654.723 IL Scott County
17173     22261      8563    1989.347 IL Shelby County
17175      6534      2512     746.505 IL Stark County
17177     48052     18920    1462.785 IL Stephenson County
17179    123692     47171    1704.056 IL Tazewell County
17181     17619      6838    1093.357 IL Union County
17183     88257     34072    2336.636 IL Vermilion County
17185     13111      5032     589.943 IL Wabash County
17187     19181      7393    1406.911 IL Warren County
17189     14965      5658    1461.156 IL Washington County
17191     17241      6935    1853.407 IL Wayne County
17193     16522      6845    1299.449 IL White County
17195     60186     22740    1805.391 IL Whiteside County
17197    357313    116933    2200.069 IL Will County
17199     57733     23120    1150.984 IL Williamson County
17201    252913     96727    1345.068 IL Winnebago County
17203     32653     11395    1405.813 IL Woodford County
----- --------- --------- -----------
Total  11430602   4202240  145936.303