Nairobi City County has a total of 2,415,310 registered voters across its 17 constituencies, according to data from the Independent Electoral and Boundaries Commission (IEBC).
This positions the capital as one of Kenya’s most politically influential regions, both in voter power and parliamentary representation.
Starehe leads with 169,575 voters, followed closely by Embakasi South (167,953), Westlands (160,739), and Dagoretti North (157,659).
Embakasi East, Kasarani, and Roysambu also post significant voter numbers, all surpassing the 150,000 mark.
The least populated constituency in terms of registered voters is Embakasi North with 113,344 voters.
| Constituency | Registered Voters |
| Westlands | 160,739 |
| Dagoretti North | 157,659 |
| Dagoretti South | 114,930 |
| Lang’ata | 145,649 |
| Kibra | 128,282 |
| Roysambu | 153,772 |
| Kasarani | 155,250 |
| Ruaraka | 124,482 |
| Embakasi South | 167,953 |
| Embakasi North | 113,344 |
| Embakasi Central | 145,892 |
| Embakasi East | 154,599 |
| Embakasi West | 141,878 |
| Makadara | 129,627 |
| Kamukunji | 128,516 |
| Starehe | 169,575 |
| Mathare | 123,163 |
| Total (Nairobi City) | 2,415,310 |
MPs per constituency in Nairobi couty
Also Read: Tyranny of Numbers: Distribution of 481,632 Voters in Nyeri County
Representation in Parliament shows a strong ODM presence, with nine Members of Parliament, including Timothy Wanyonyi (Westlands), Babu Owino (Embakasi East), and George Aladwa (Makadara).
The United Democratic Alliance (UDA) follows with four MPs, including John Kiarie (Dagoretti South) and James Gakuya (Embakasi North).
Jubilee has three representatives, while Kasarani’s Ronald Karauri remains the county’s sole Independent MP.
About Nairobi County
Nairobi County is the capital and largest city of Kenya, serves as the political, economic, and cultural hub of the nation.
Also Read: Distribution of 406,288 Voters in Nandi County
Known as the “Green City in the Sun,” Nairobi is the only capital city in the world that hosts a national park within its borders, Nairobi National Park.
The county spans approximately 696 square kilometers and is home to over 4.4 million residents, making it the most populous county in Kenya.
It plays a crucial role in national governance, hosting the State House, Parliament, and key government ministries.
Economically, Nairobi is East Africa’s financial nerve center, housing the Nairobi Securities Exchange (NSE), multinational corporate headquarters, and a fast-growing tech industry that has earned it the nickname “Silicon Savannah.”
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