Kenya

SIAYA County

In Kenya

041 6 constituencies 1,035 polling stations

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Registered voters Polling stations Population

Election

2022 2017 2013

Registered voters

455.1K

2.5% of the national register

Polling stations

1.0K

avg 439 voters per station

Polling centres

578

avg 1.8 streams each

Population

993.2K

KNBS census, 2019

Constituencies

each elects one MP

Constituencies by population

Tap a region to open it

Fewest

Most Population No data

Shaded by rank, so the spread stays legible at every level.

Who SIAYA elected

2013

Governor CORNEL RASANGA AMOTH ORANGE DEMOCRATIC MOVEMENT 138,908 votes Senator JAMES AGGREY ORENGO 269,253 votes Women Representative CHRISTINE ODUOR OMBAKA 239,242 votes

Every leader in SIAYA

Census 2019

KNBS 2019 Census Vol II; IEBC 2022 Register

Population: 993,183
Households: 250,698
Urban: 85,417; 8.6% of population
Register 2019: 533,595; -78,467 by 2022

Female 521,496 · 52.5% Male 471,669 · 47.5%

SIAYA County election results

Every candidate on the IEBC record, by election. Open a name for their full result.

2022 Governor election

Won by Orengo James Aggrey Bob · margin 72,791 votes · 373,674 valid votes

2022 Governor election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Orengo James Aggrey Bob	Orange Democratic Movement	220,349	58.97%	Elected
Nicholas Gumbo	United Democratic Movement	147,558	39.49%
Millicent Oduor	United Democratic Alliance	4,678	1.25%
William Ochieng	Independent	1,089	0.29%

2022 Senator election

Won by Oburu Oginga · margin 251,697 votes · 363,877 valid votes

2022 Senator election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Oburu Oginga	Orange Democratic Movement	285,595	78.49%	Elected
Julius Okinda	Independent	33,898	9.32%
Tony Yogo	Independent	25,157	6.91%
James Wamban	—	19,227	5.28%

2022 Woman Rep election

Won by Christine Ombaka · margin 62,241 votes · 367,153 valid votes

2022 Women Representative election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Christine Ombaka	Orange Democratic Movement	207,748	56.58%	Elected
Sella Ayimba	—	145,507	39.63%
Emma Agola	United Democratic Alliance	7,447	2.03%
Mildred Ochieng	Independent	6,451	1.76%

2017 Governor election

Won by Cornel Rasanga Amoth · margin 19,521 votes · 381,618 valid votes

2017 Governor election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Cornel Rasanga Amoth	ORANGE DEMOCRATIC MOVEMENT	198,889	52.12%	Elected
Nicolas O Gumbo	INDEPENDENT	179,368	47.00%
Omoro Daniel Odhiamb O	INDEPENDENT	1,348	0.35%
Dan Salim Ongonga Akello	JUBILEE PARTY	1,226	0.32%
Noah Migudo Winja	INDEPENDENT	787	0.21%

2017 Senator election

Won by Orengo James Aggrey Bob · margin 365,810 votes · 378,340 valid votes

2017 Senator election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Orengo James Aggrey Bob	ORANGE DEMOCRATIC MOVEMENT	372,075	98.34%	Elected
Oluoch Jacob Ochieng	JUBILEE PARTY	6,265	1.66%

2017 Woman Rep election

Won by Oduor Ombaka Christine · margin 13,864 votes · 378,125 valid votes

2017 Women Representative election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Oduor Ombaka Christine	ORANGE DEMOCRATIC MOVEMENT	194,367	51.40%	Elected
Aluodo Florence Akinyi	INDEPENDENT	180,503	47.74%
Omwamba Violet	JUBILEE PARTY	3,255	0.86%

2013 Governor election

Won by Cornel Rasanga Amoth · margin 3,495 votes · 281,663 valid votes

2013 Governor election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Cornel Rasanga Amoth	ORANGE DEMOCRATIC MOVEMENT	138,908	49.32%	Elected
William Odhiambo Oduol	NATIONAL AGENDA PARTY OF KENYA	135,413	48.08%
Abong’o Malik Obama	INDEPENDENT CANDIDATE	2,814	1.00%
Nellie Okwiri	FEDERAL PARTY OF KENYA	2,297	0.82%
Noah Migudo Winja	INDEPENDENT CANDIDATE	1,262	0.45%
Thomas Paul M. Okore	KENYA NATIONAL CONGRESS	969	0.34%

2013 Senator election

Won by James Aggrey Orengo · margin 252,359 votes · 286,147 valid votes

2013 Senator election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
James Aggrey Orengo	—	269,253	94.10%	Elected
Salome Agness Awuor	—	16,894	5.90%

2013 Woman Rep election

Won by Christine Oduor Ombaka · margin 205,473 votes · 283,623 valid votes

2013 Women Representative election, SIAYA County: every candidate and their votes
Candidate	Party	Votes	Share	Result
Christine Oduor Ombaka	—	239,242	84.35%	Elected
Concellia Aoko Omuga	—	33,769	11.91%
Nyawalo Phoebe Akinyi	—	4,263	1.50%
Esther Awuor Okanga	—	3,875	1.37%
Violet Omwamba	—	2,474	0.87%

2027 spending limits in SIAYA County

The most a candidate may spend on the campaign, as gazetted for the general election of 10 August 2027.

Governor: KES 54,887,725
Senator: KES 54,887,725
Women Representative: KES 54,887,725

Source: Kenya Gazette Notice No. 12251, Kenya Gazette Vol. CXXVIII No. 136 (Special Issue), 7 August 2026: contributions and spending limits for the general election of 10 August 2027

Public funding

County equitable share

SIAYA, FY 2013/14 to 2016/17

No County equitable share figures recorded yet

Nothing is on record for SIAYA for FY 2013/14 to 2016/17. Figures appear here as soon as they are published.

Constituencies

Open any row for its own map, census and representatives.

Constituencies of SIAYA, with their register and elected representative
Name	Registered voters	Stations	Share	Elected 2013
ALEGO USONGA 6 within	106,514	229	23.4%	GEORGE WASHINGTON MALLAN OMONDI
BONDO 6 within	87,757	205	19.3%	GIDEON OCHANDA OGOLLA
GEM 6 within	75,670	187	16.6%	WASHINGTON JAKOYO MIDIWO
RARIEDA 5 within	72,137	163	15.8%	NICHOLAS O GUMBO
UGENYA 4 within	60,126	135	13.2%	DAVID OUMA OCHIENG'
UGUNJA 3 within	52,924	116	11.6%	JAMES OPIYO WANDAYI

About SIAYA County

SIAYA County has elected its Governor at 3 general elections on record: Cornel Rasanga Amoth (ORANGE DEMOCRATIC MOVEMENT) in 2013, Cornel Rasanga Amoth (ORANGE DEMOCRATIC MOVEMENT) in 2017 and Orengo James Aggrey Bob (Orange Democratic Movement) in 2022.

SIAYA County has elected its Senator at 3 general elections on record: James Aggrey Orengo in 2013, Orengo James Aggrey Bob (ORANGE DEMOCRATIC MOVEMENT) in 2017 and Oburu Oginga (Orange Democratic Movement) in 2022.

SIAYA County has elected its Woman Rep at 3 general elections on record: Christine Oduor Ombaka in 2013, Oduor Ombaka Christine (ORANGE DEMOCRATIC MOVEMENT) in 2017 and Christine Ombaka (Orange Democratic Movement) in 2022.

The closest race on record was the 2013 Governor election, which Cornel Rasanga Amoth won by 3,495 votes.

Questions about SIAYA County

How many constituencies are in SIAYA County?

SIAYA County has 6 constituencies: Alego Usonga, Bondo, Gem, Rarieda, Ugenya and Ugunja.

Who was elected Governor for SIAYA County in 2022?

Orengo James Aggrey Bob (Orange Democratic Movement) won the 2022 Governor election with 220,349 votes (58.97% of the vote), 72,791 votes ahead of the runner-up.

Who was elected Senator for SIAYA County in 2022?

Oburu Oginga (Orange Democratic Movement) won the 2022 Senator election with 285,595 votes (78.49% of the vote), 251,697 votes ahead of the runner-up.

Who was elected Woman Rep for SIAYA County in 2022?

Christine Ombaka (Orange Democratic Movement) won the 2022 Woman Rep election with 207,748 votes (56.58% of the vote), 62,241 votes ahead of the runner-up.

How many registered voters are in SIAYA County?

455,128 people are on the IEBC register for SIAYA County, voting at 1,035 polling stations.

How much can a candidate spend in SIAYA County in the 2027 election?

The limits for the general election of 10 August 2027: Governor KES 54,887,725, Senator KES 54,887,725 and Woman Rep KES 54,887,725. A limit covers what a candidate spends in the expenditure period, on items including venues, publicity, advertising, campaign staff, transport and nomination fees. Source: Kenya Gazette Notice No. 12251, Kenya Gazette Vol. CXXVIII No. 136 (Special Issue), 7 August 2026: contributions and spending limits for the general election of 10 August 2027.

Sources — boundaries and the polling-station register: IEBC. Population: Kenya National Bureau of Statistics, 2019 Census. Results: IEBC declared results, 2022 / 2017 / 2013.