Mathira constituency is one of the six constituencies within Nyeri County. The constituency covers an area of 389Km2 (Nyeri North District Development Plan). The constituency borders Kieni constituency to the west, Mount Kenya forest to the north, Ndia constituency to the east and Mukurwe-ini constituency to the south.
The constituency comprises two districts namely Mathira East and Mathira West. These two are formerly divisions within the constituency. The constituency comprises 7 locations and 40 sub-locations as shown in map above.
Mathira constituency is classified as a tropical area. It’s characterized by two rainy seasons. Long rains are received in March to May and short rains in October to December. With a cold season between July and August, the annual rainfall is about 250mm - 300mm pa. The temperatures are within the range of 24°C - 42°C.
The types of soils are clay soil, loam soil and clay loam soil. 77.5% of the land is available for agriculture. The constituency has no arid & semi arid land .
The provisional statistics from the 2009 population and housing census indicate that the constituency has a total of 196,294 people. Earlier the population of Mathira (1999 Census) was established at 1263,974 (CBS, 2002). Of this 78,662 (48%) were male while 84,912 (52%) were female. Those below age of 17 years numbered 74,313 (45%), those aged between 18 - 55 years numbered 73,853 (45%) and those over 55 years of age numbered 15,808 (10%). This indicates that the constituency had a largely youthful population.
Population Density and Household Size
The population density in the constituency is currently (2010) projected at 639 persons/Km2. This is expected to rise to 665 persons per Km2 in 2012. The average household size is 4 persons. In 1999 there were 38,672 households in the constituency.
According to the constituency well being report based on KIHBS - 2005/6 (KNBS, 2007) the estimated number of poor individuals was 46,230 against a total population of 196,294. This means that 26.7% of the population is below the poverty line. The poverty incidence has risen by 2.3% from the 1999 baseline of 24.4%.
Analysis of the below shows that poverty incidence in Mathira is highest in Ngorano and Ruguru both which have 37% of the citizens classified as poor. Kirimukuyu location is most affected with 10,148 classified as poor in 1999.
Mathira constituency represent 0.3% of the national poverty incidence and is ranked 26th in the list of the poor constituencies in Kenya.