County profile

Nandi County

People. Elections. Representation. Public money.

6Constituencies 8Representatives
406,288Registered voters 2022
86.9Registered per 100 adults counted in 2019
2898Contributions in Parliament KSh 1.16BNG-CDF approved FY 2025/26

People & places

Land area · 2019 2,855.8 km² #30 of 47 counties held 0.49% of Kenya Projected population · 2022 936,183 people #25 of 47 counties held 1.85% of Kenya Registered voters · 2022 406,288 registrations #23 of 47 counties held 1.84% of 47 county registers

Largest first; equal values share a rank. County registers exclude diaspora. Select a measure for its source. The 2022 population is KNBS's projection for that year, carried forward from the 2019 census — an estimate, not a count. 885,711 residents were counted here in 2019.

County map. Browse constituencies in the list.

County outline. Constituency boundary polygons are not held; the list opens each constituency.

Registering for 2027

406,288 registered voters in the 2022 register
+52,630 new registrations in this drive +12.95% on top of the 2022 register · 15th of 47 counties by number
One scale, from zero. A register counted in 2022; registrations added since.

Across the whole country 2,936,516 people had newly registered as voters as at Aug. 20, 2026. It already includes the county figure above and is never added to it. Continuous voter registration has run since Sept. 29, 2025.

There is no 2027 register yet — IEBC de-duplicates, audits and gazettes one first — so these cannot simply be added to the 2022 figure above.

Dates, scope & source

Enhanced Continuous Voter Registration, Phase 1, run from March 30, 2026 to April 28, 2026. Figures are IEBC's own, stated as of April 28, 2026.

Newly registered voters only. IEBC prints transfers of registration (2,256) and changes of particulars (80) in the same table; neither is a new voter and neither is added here.

The figure is IEBC's; describing it as new registrations rather than the register is ours, and the release's own sentence states no scope and no window.

IEBC status report · April 28, 2026

IEBC national figure · Aug. 20, 2026

Registered voters · 2017 to 2027

  1. 2017 346,007
  2. 2022 406,288
  3. 2027 none held yet

No 2027 register is held for this county yet. The bar fills in when IEBC publishes one and it is loaded; nothing here is projected forward — IEBC de-duplicates, audits and gazettes a register before it counts. Registration towards 2027 is counted separately, above.

Between the registers held · 2017–2022

+60,281 voters added 16th of 47 counties by number
+17.42% growth on the 2017 register 15th of 47 counties by percentage
How this is worked out

Both figures compare the same county in the two registers we hold. Percentage change = (2022 count − 2017 count) ÷ 2017 count × 100. Ranks cover only counties with a register in both years. These are registrations, not votes cast.

Bars are scaled against the largest register this county itself holds, and start at zero. A year with no register held shows no bar rather than a zero.

IEBC register · 2017 · IEBC register · 2022

Explore constituencies

  1. Aldai
    1. 2022 78,005
    2. 2027 none held yet
  2. Mosop
    1. 2022 77,786
    2. 2027 none held yet
  3. Chesumei
    1. 2022 74,201
    2. 2027 none held yet
  4. Emgwen
    1. 2022 66,940
    2. 2027 none held yet
  5. Nandi Hills
    1. 2022 57,910
    2. 2027 none held yet
  6. Tinderet
    1. 2022 51,446
    2. 2027 none held yet
Registered voters. Bars start at zero and are scaled against the largest register any constituency here holds, so they can be read against each other. A year with no register published shows an empty bar rather than a zero.
Age profile & sources

People & the register · Nandi

Projected population · 2022²936,183
Adults 18+ · 2019¹467,634
Registered voters · 2022406,288
Different years and populations; this is not turnout.
86.9registered per 100 adults counted in 2019
Years, scope & sources

² KNBS Volume XVI, Appendix 5: the population KNBS projects for 2022, carried forward from the 2019 census. It is an estimate of how many people live here, not a count of people enumerated. 885,711 residents were actually counted in 2019 — KNBS Volume I, Table 2.4, all persons.

The adult figure stays on 2019 because no projected one exists: Volume XVI prints five-year age bands, so 18 falls inside 15–19 and no voting-age figure is published at county level for any year. Splitting that band here would be inventing a number KNBS has not published.

¹ KNBS Volume III, Table 2.3: population distributed by age and sex; excludes the intersex population, so it sums lower than the headcount above. The adult count is aged 18+ on census night in 2019 — Volume I prints no age breakdown, so the adults figure can only come from this table. The register counts registrations in 2022, not ballots cast.

69,836 residents were aged 15–17 in 2019. Ageing, migration and the different dates can affect this comparison. This is not a registration rate. KNBS sub-counties are not constituencies; this comparison applies at county level.

KNBS census · KNBS projections · Volume XVI · IEBC register

Representatives

Who speaks for Nandi in Parliament.

Cherarkey Samson K
Cherarkey Samson K
Senator
UDA 2,013 contributions
Muge Cynthia Jepkosgei
Muge Cynthia Jepkosgei
Woman Representative
UDA 143 contributions
Constituencies & their MPs
Kitany Marianne
Kitany Marianne
Aldai
UDA 199 contributions
Biego Paul Kibichiy
Biego Paul Kibichiy
Chesumei
UDA 53 contributions
Lelmengit Josses Kiptoo Kosgey
Lelmengit Josses Kiptoo Kosgey
Emgwen
UDA 70 contributions
Kirwa Abraham Kipsang
Kirwa Abraham Kipsang
Mosop
UDA 58 contributions
Bernard Kibor Kitur
Bernard Kibor Kitur
Nandi Hills
UDA 55 contributions
Julius Kipbirwot Meli
Julius Kipbirwot Meli
Tinderet
UDA 307 contributions

2022 election — who won here

Declared winners from the IEBC Kenya Gazette.

County-wide winners · 2022

GovernorSang Stephen KipyegoUDA · 237,405 votesGazette 9949

SenatorCherarkey Samson KUDA · 284,373 votesGazette 9955

Woman RepresentativeMuge Cynthia JepkosgeiUDA · 275,500 votesGazette 9951

Constituencies & registered voters
  1. Aldai
    1. 2022 78,005
    2. 2027 none held yet
  2. Mosop
    1. 2022 77,786
    2. 2027 none held yet
  3. Chesumei
    1. 2022 74,201
    2. 2027 none held yet
  4. Emgwen
    1. 2022 66,940
    2. 2027 none held yet
  5. Nandi Hills
    1. 2022 57,910
    2. 2027 none held yet
  6. Tinderet
    1. 2022 51,446
    2. 2027 none held yet
Registered voters. Bars start at zero and are scaled against the largest register any constituency here holds, so they can be read against each other. A year with no register published shows an empty bar rather than a zero.
Explore ward winners →

Constituency winners · 2022

AldaiKitany Marianne JebetUDA · 42,015 votesGazette 9950

ChesumeiBiego Paul KibichyUDA · 52,912 votesGazette 9950

EmgwenLelmengit Josses Kiptoo KosgeyUDA · 34,803 votesGazette 9950

MosopKirwa Abraham KipsangUDA · 46,209 votesGazette 9950

Nandi HillsKitur Bernard KiborUDA · 23,503 votesGazette 9950

TinderetKipbiwot Julius MeliUDA · 38,715 votesGazette 9950

County Assembly (MCA) winners — 30 wards
Wards where the winner polled most votes
  1. Kilibwoni · Kipchumba Emmanuel 19,894 UDA
  2. Songhor/Soba · Chelulei Raymond Kipkoech United Democratic Alliance 12,501 UDA
  3. Nandi Hills · Kiprop Edwin 10,236 UDA
  4. Kaptumo Kaboi · Mosbei Isaac Yitzhak 9,517 UDA
  5. Chepkunyuk · Keter John Kiprotich 9,353 UDA
Show the other 25 of 30, same scale
  1. Kaptel/Kamoiyw Bett o · Josphat Kiptoo United Democratic Alliance 8,772 UDA
  2. Koyo Ndurio · Sangutei Davies Boor 8,757 UDA
  3. Kapsabet · Matata Benjamin Kerich 7,901 UDA
  4. Tindiret · Birech Paul Kipkemboi 7,623 UDA
  5. Kabisaga · Sum Silahs Cyrus Kipkoech 6,788 UDA
  6. Kobujoi · Sang Mathew Kiprotich 6,453 UDA
  7. Lelmokwo/Ngech Arusei ek · Julius Kipkosgei United Democratic Alliance 6,359 UDA
  8. Ndalat · Kemboi Nicholas Kipkorir 6,328 UDA
  9. Ol’lessos · Maina Isaiah 6,146 UDA
  10. Kosirai · Keino Sarah Rubety 6,093 IND
  11. Kemeloi Maraba Kutto · Trufosa Jelagat United Democratic Alliance 5,949 UDA
  12. Kabiyet · Kiplagat Walter 5,770 UDA
  13. Kipkaren · Kogo Gideon Kipkemei 5,753 UDA
  14. Kapchorua · Bett Richard Kipkosgei 5,716 UDA
  15. Kurgung/Surungai · Rotich Ezra Kipchirchir 5,529 UDA
  16. Chepterwai · Jepkemei Lucy 5,418 UDA
  17. Chemundu/Kapn Keter getung · Julius Kipruto United Democratic Alliance 5,335 UDA
  18. Chemelil/Chemas Martin e · Douglas United Democratic Alliance 4,069 UDA
  19. Chepkumia · Sang Wilson Kipkirui 3,947 UDA
  20. Kapsimotwo · Korir Korir Edwin Kipchumba 3,836 UDA
  21. Sangalo/Kebulonik · Kogo Silas Kipkemboi 3,242 UDA
  22. Kabwareng · Kagoni Hassan Majani 3,201 FORD
  23. Kiptuiya · Kevolwe Geoffrey Imbuchi 2,536 ANC
  24. Terik · Kirwa Eliud 2,500 IND
  25. Kapkangani · Kirongo Eliud K. 2,234 ANC
Bars start at zero and share one scale — the largest vote count shown here — so every row can be read against every other, open or collapsed. Wards differ greatly in size, so a longer bar mostly means a bigger ward, not a stronger result. We hold no per-ward electorate to measure these against.
Show all 30 wards as a table
WardConstituencyWinnerPartyVotes
Kabwareng Aldai Kagoni Hassan Majani FORD 3,201
Kaptumo Kaboi Aldai Mosbei Isaac Yitzhak UDA 9,517
Kemeloi Maraba Kutto Aldai Trufosa Jelagat United Democratic Alliance UDA 5,949
Kobujoi Aldai Sang Mathew Kiprotich UDA 6,453
Koyo Ndurio Aldai Sangutei Davies Boor UDA 8,757
Terik Aldai Kirwa Eliud IND 2,500
Chemundu/Kapn Keter getung Chesumei Julius Kipruto United Democratic Alliance UDA 5,335
Kaptel/Kamoiyw Bett o Chesumei Josphat Kiptoo United Democratic Alliance UDA 8,772
Kiptuiya Chesumei Kevolwe Geoffrey Imbuchi ANC 2,536
Kosirai Chesumei Keino Sarah Rubety IND 6,093
Lelmokwo/Ngech Arusei ek Chesumei Julius Kipkosgei United Democratic Alliance UDA 6,359
Chepkumia Emgwen Sang Wilson Kipkirui UDA 3,947
Kapkangani Emgwen Kirongo Eliud K. ANC 2,234
Kapsabet Emgwen Matata Benjamin Kerich UDA 7,901
Kilibwoni Emgwen Kipchumba Emmanuel UDA 19,894
Chepterwai Mosop Jepkemei Lucy UDA 5,418
Kabisaga Mosop Sum Silahs Cyrus Kipkoech UDA 6,788
Kabiyet Mosop Kiplagat Walter UDA 5,770
Kipkaren Mosop Kogo Gideon Kipkemei UDA 5,753
Kurgung/Surungai Mosop Rotich Ezra Kipchirchir UDA 5,529
Ndalat Mosop Kemboi Nicholas Kipkorir UDA 6,328
Sangalo/Kebulonik Mosop Kogo Silas Kipkemboi UDA 3,242
Chepkunyuk Nandi Hills Keter John Kiprotich UDA 9,353
Kapchorua Nandi Hills Bett Richard Kipkosgei UDA 5,716
Nandi Hills Nandi Hills Kiprop Edwin UDA 10,236
Ol’lessos Nandi Hills Maina Isaiah UDA 6,146
Chemelil/Chemas Martin e Tinderet Douglas United Democratic Alliance UDA 4,069
Kapsimotwo Tinderet Korir Korir Edwin Kipchumba UDA 3,836
Songhor/Soba Tinderet Chelulei Raymond Kipkoech United Democratic Alliance UDA 12,501
Tindiret Tinderet Birech Paul Kipkemboi UDA 7,623

Source: IEBC · Kenya Gazette · Gazette 9956 · declared winners only, not per-candidate tallies.

Parliamentary activity

What Nandi's members do across both Houses.

Contributions in Parliament
885National Assembly · MPs & Woman Rep
2,013Senate · Senator

Certified Hansard contributions in the current Parliament; presiding-officer speech is never counted, and each representative's own count is shown on their card above. Browse the full National Assembly and Senate.

Legislative business

Showing Full 13th Parliament to date.

3Questions asked 23Motions moved 312Statements 5Petitions presented 87Papers laid

Totals across both Houses for the county's current members, for the selected period, using the same counting policy as the member profiles.

Topics raised by members

Three leading topics per member · current parliamentary term · automated labels, not official categories. Topics may overlap.

Counts are contributions tagged with a topic, not a measure of work done within this county.

Nandi County government budget

What the county government itself budgeted and spent, as reported by the Controller of Budget — separate from the NG-CDF money below.

KSh 10.2 billion Budget · FY 2024/25
KSh 10.0 billion Spent 98.0% absorption, as reported
KSh 3.3 billion Development spending 90.0% of the development budget
KSh 6.6 billion Recurrent spending 102.0% of the recurrent budget

Controller of Budget, Annual FY 2024/25 — the report.

NG-CDF in Nandi County

National-government development money allocated per constituency — not the county government's budget.

KSh 1.16B FY 2025/26 approved · all 6 constituencies
KSh 1.08B FY 2024/25 approved · all 6 constituencies
KSh 1.05B FY 2023/24 approved · all 6 constituencies
KSh 870.5M FY 2022/23 approved · all 6 constituencies
By constituency
Approved per constituency · FY 2025/26
  1. Mosop KSh 211,874,573
  2. Aldai KSh 202,243,910
  3. Chesumei KSh 192,613,248
  4. Emgwen KSh 182,982,585
  5. Nandi Hills KSh 182,982,585
Show the other 1 of 6, same scale
  1. Tinderet KSh 182,982,585
Bars start at zero and share one scale — the largest allocation shown here — so every row can be read against every other, open or collapsed. The newest financial year only. Earlier years are in the table below.
Allocations by constituency and financial year
ConstituencyFY 2025/26FY 2024/25FY 2023/24FY 2022/23
Aldai NG-CDF record → KSh 202,243,910 KSh 188,414,052 KSh 184,129,901 KSh 151,960,174
Chesumei NG-CDF record → KSh 192,613,248 KSh 179,441,954 KSh 175,361,810 KSh 145,087,603
Emgwen NG-CDF record → KSh 182,982,585 KSh 170,469,857 KSh 166,593,720 KSh 138,215,033
Mosop NG-CDF record → KSh 211,874,573 KSh 197,386,150 KSh 192,915,991 KSh 158,832,745
Nandi Hills NG-CDF record → KSh 182,982,585 KSh 170,469,857 KSh 166,603,720 KSh 138,215,033
Tinderet NG-CDF record → KSh 182,982,585 KSh 170,469,857 KSh 166,593,720 KSh 138,215,033

Source: NG-CDF Board, checked against their own record before publication.

All Nandi County allocations →

How this compares

Ranked among all 47 counties · each measure ranked separately · no overall score · peers are every county, not similar ones

NG-CDF approved (latest FY)

KSh 1.16B 22nd of 47

Ahead of 43% · median KSh 1.16B

Registered voters (IEBC register)

406,288 23rd of 47

Ahead of 51% · median 398,981

Hansard contributions

2,898 1st of 47

Ahead of 98% · median 916

Questions asked

3 43rd of 47

Ahead of 6% · median 12

Motions moved

23 14th of 47

Ahead of 68% · median 16

Statements

312 1st of 47

Ahead of 98% · median 73

Petitions presented

5 6th of 47

Ahead of 83% · median 2

Papers laid

87 14th of 47

Ahead of 70% · median 42

What these numbers don’t measure
Committee work
Parliament publishes no committee attendance for either House, so nobody can count it — us included.
Constituency work
Funerals, harambees, schools, casework. Recorded nowhere we can read.
Whether it worked
We can count questions asked, not answers given.
Speaking often isn’t speaking well. Use these to ask your representative better questions — not to grade them.

Sources & coverage

Years, geographic scope and original records.

  • KNBS census · 2019 — county age/sex population, as enumerated.
  • KNBS projections · Volume XVI — the population projected for 2022 from the 2019 census. An estimate, not a count.
  • IEBC register · 2022 — registrations, not votes cast.
  • IEBC declarations · 2022 — each winner links to the Gazette in Elections.
  • Parliament — current members' records and Hansard. Topic labels are automated analysis, not Parliament's own categories.
  • Controller of Budget · 2024/25 — Annual FY 2024/25.
  • NG-CDF project records use each constituency's register. These and its allocations are separate from county-government spending. View records.

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