Population Density and 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. The population distribution can also be shown by indicating the composition of the different sexes in the three constituencies.

Population composition according to the different sexes helps to determine the sex ratio.  

 

Population Projections as per the wards

Constituency/Ward 2009 CensusProjected population 2018-2022
AreaPopulationDensity (KM2)
 20182019202020212022
Tharaka1,549.513009883152757155506158306161155164056
Gatunga73425703403018030723312763183932412
Chiakaringa374.7346791144071941452421984295843731
Mukothima109.8242731252850129014295363006730609
Nkondi104155741501828618616189511929219639
Marimanti227298671003506935700363433699737663
C/Igambang'ombe624128107205150419153127155883158689161545
Igambang'ombe211301601433541336050366993736038032
Karingani29231417982717127660281582866529181
Mugwe44241855472839728908294292995830498
Magumoni64364985694285543626444114521146025
Mariani97141231461658316881171851749417809
Mt. Kenya Forest179
Maara465.3107125230125783128047130352132698135086
Mitheru33153094641797518299186281896419305
Mwimbi104.3229352182693027414279082841028921
Muthambi50193733802274723157235732399824430
Ganga37175144732056420935213112169522085
Chogoria57319675613753538210388983959840311
Mt.Kenya Forest1842703232333334
Total2638.8623533137428959436680444540452542460688

Source: KNBS, Population and Housing Census, 2009