Table 1.  The Most Populous Counties and Incorporated Places in 2010 in Kentucky:  2000 and 2010
(For information on confidentiality protection, nonsampling error, and definitions, see http://www.census.gov/prod/cen2010/pl94-171.pdf)
Population rank     Population Change, 2000 to 2010
             
2010 2000   Geographic area 2000 1 2010 Number Percent
             
    Kentucky………...………………………………………………. 4 041 769 4 339 367  297 598 7.4
             
    COUNTY        
             
1 1   Jefferson County 2…………………………………………..  693 604  741 096  47 492 6.8
2 2   Fayette County 3………………………………………………..  260 512  295 803  35 291 13.5
3 3   Kenton County……………………………………………….  151 464  159 720  8 256 5.5
4 8   Boone County………………………………………………  85 991  118 811  32 820 38.2
5 5   Warren County……………………………………………..  92 522  113 792  21 270 23.0
6 4   Hardin County……………………………………………….  94 174  105 543  11 369 12.1
7 6   Daviess County……………………………………………  91 545  96 656  5 111 5.6
8 7   Campbell County……………………………………………  88 616  90 336  1 720 1.9
9 10   Madison County……………………………………………..  70 872  82 916  12 044 17.0
10 13   Bullitt County………………………………………………..  61 236  74 319  13 083 21.4
11 9   Christian County……………………………………………..  72 265  73 955  1 690 2.3
12 12   McCracken County………………………………………..  65 514  65 565   51 0.1
13 11   Pike County……………………………………………………………………  68 736  65 024 - 3 712 -5.4
14 14   Pulaski County……………………………………………….  56 217  63 063  6 846 12.2
15 19   Oldham County…………………………………………….  46 178  60 316  14 138 30.6
16 15   Laurel County…………………………………………….  52 715  58 849  6 134 11.6
17 16   Boyd County………………………………………………….  49 752  49 542 -  210 -0.4
18 17   Franklin County……………………………………………….  47 687  49 285  1 598 3.4
19 22   Jessamine County………………………………………..  39 041  48 586  9 545 24.4
20 32   Scott County………………………………………………..  33 061  47 173  14 112 42.7
             
    INCORPORATED PLACE        
             
1 2   Louisville/Jefferson County metro government 2…………….  256 231  741 096  484 865 189.2
2 1   Lexington-Fayette urban county 3…………………………….  260 512  295 803  35 291 13.5
3 4   Bowling Green city………………………………………  49 296  58 067  8 771 17.8
4 3   Owensboro city………………………………………………  54 067  57 265  3 198 5.9
5 5   Covington city……………………………………………….  43 370  40 640 - 2 730 -6.3
6 6   Hopkinsville city…………………………………………….  30 089  31 577  1 488 4.9
7 9   Richmond city……………………………………………..  27 152  31 364  4 212 15.5
8 12   Florence city…………………………………………………...…  23 551  29 951  6 400 27.2
9 18   Georgetown city……………………………………………….  18 080  29 098  11 018 60.9
10 8   Henderson city………………………………………………  27 373  28 757  1 384 5.1
11 13   Elizabethtown city………………………………………………  22 542  28 531  5 989 26.6
12 16   Nicholasville city…………………………………………………  19 680  28 015  8 335 42.4
13 10   Jeffersontown city……………………………………………..  26 633  26 595 -  38 -0.1
14 7   Frankfort city……………………………………………………  27 741  25 527 - 2 214 -8.0
15 11   Paducah city………………………………………………..  26 307  25 024 - 1 283 -4.9
16 26   Independence city…………………………………………………..  14 982  24 757  9 775 65.2
17 15   Radcliff city…………………………………………………….  21 961  21 688 -  273 -1.2
18 14   Ashland city………………………………………………………..  21 981  21 684 -  297 -1.4
19 17   Madisonville city…………………………………………………  19 307  19 591   284 1.5
20 20   Winchester city……………………………………………………..  16 724  18 368  1 644 9.8
               
1 Census 2000 counts are as published in Census 2000 reports and thus do not include any changes published subsequently due to boundary changes or to the Count Question Resolution program.
2 In 2010, Jefferson County and the incorporated place of Louisville/Jefferson County metro government are coextensive.  The 2000 population is for the incorporated place of Louisville city before consolidation.
3 Fayette County and Lexington-Fayette urban county are coextensive.
Source:  U.S. Census Bureau, Census 2000 Redistricting Data (Public Law 94-171) Summary File, Table PL1, and 2010 Census Redistricting Data (Public Law 94-171) Summary File, Table P1.