By population Source:

as of 1 January 2024 RankCountyPopulation%Density1 Harjumaa646,315 47.0%149.12Tartumaa164,460 11.9%54.93Ida-Virumaa132,286 9.6%39.34Pärnumaa87,891 6.3%18.25Lääne-Virumaa59,536 4.3%17.16Viljandimaa45,543 3.3%13.37Raplamaa34,246 2.4%11.48Võrumaa34,049 2.4%14.79Saaremaa32,021 2.3%10.910Järvamaa30,084 2.1%11.411Valgamaa27,924 2.0%13.612Jõgevamaa27,397 1.9%10.513Põlvamaa23,892 1.7%11.014Läänemaa20,625 1.5%8.615Hiiumaa8,418 0.6%8.2Estonia1,374,687100%30.3

By area RankCountyArea (km&)%Density1Pärnumaa4,80710.9%18.22Harjumaa4,333 9.8%149.13Lääne-Virumaa3,465 7.8%17.14Viljandimaa3,423 7.6%13.35Ida-Virumaa3,364 7.6%39.36Tartumaa2,993 7.0%54.97Raplamaa2,980 6.8%11.48Saaremaa2,922 6.6%10.99Järvamaa2,623 5.9%11.410Jõgevamaa2,604 5.9%10.511Läänemaa2,383 5.4%8.612Võrumaa2,305 5.2%14.713Põlvamaa2,165 5.9%11.014Valgamaa2,044 4.6%13.615Hiiumaa1,023 2.3%8.2Estonia45,228100%30.3

By density RankCountyPopulationArea (km&)Density1Harjumaa646,3154,3331249.12Ida-Virumaa132,2863,36439.33Tartumaa164,4602,99354.94Lääne-Virumaa59,5363,46517.15Pärnumaa87,8914,80718.26Valgamaa27,9242,04413.67Võrumaa34,0492,30514.78Viljandimaa55,8773,42313.39Järvamaa30,0842,62311.410Põlvamaa23,8922,16511.011Jõgevamaa27,3972,60410.512Raplamaa34,2462,98011.413Saaremaa32,0212,92210.914Läänemaa20,6252,3838.615Hiiumaa8,4181,0238.2Estonia1,374,68745,22830.3

References