Population Density & Distribution

Population density is largely influenced by the climatic and ecological factors. Areas with good climatic condition and fertile soils will generally have dense populations. The average population density of the County is 150 persons per Km2.

Based on the 2009 Census, Maara constituency is the most densely populated with 230 persons per sq. km while Tharaka constituency is the least densely populated with 83 persons per sq. km. As per the 2018 projections, Maara constituency remains to be the most densely populated.

 Population Projections as per the wards

 

Constituency/Ward   2009 Census Projected population 2018-2022
Area Population Density (KM2)
  2018 2019 2020 2021 2022
Tharaka 1,549.5 130098 83 152757 155506 158306 161155 164056
Gatunga 734 25703 40 30180 30723 31276 31839 32412
Chiakaringa 374.7 34679 114 40719 41452 42198 42958 43731
Mukothima 109.8 24273 125 28501 29014 29536 30067 30609
Nkondi 104 15574 150 18286 18616 18951 19292 19639
Marimanti 227 29867 100 35069 35700 36343 36997 37663
C/Igambang’ombe 624 128107 205 150419 153127 155883 158689 161545
Igambang’ombe 211 30160 143 35413 36050 36699 37360 38032
Karingani 29 23141 798 27171 27660 28158 28665 29181
Mugwe 44 24185 547 28397 28908 29429 29958 30498
Magumoni 64 36498 569 42855 43626 44411 45211 46025
Mariani 97 14123 146 16583 16881 17185 17494 17809
Mt. Kenya Forest 179
Maara 465.3 107125 230 125783 128047 130352 132698 135086
Mitheru 33 15309 464 17975 18299 18628 18964 19305
Mwimbi 104.3 22935 218 26930 27414 27908 28410 28921
Muthambi 50 19373 380 22747 23157 23573 23998 24430
Ganga 37 17514 473 20564 20935 21311 21695 22085
Chogoria 57 31967 561 37535 38210 38898 39598 40311
Mt.Kenya Forest 184 27 0 32 32 33 33 34
Total 2638.8 623533 137 428959 436680 444540 452542 460688

Source: KNBS, Population and Housing Census, 2009