Voter Demographics

Who can vote in 2027, by generation and age band: 2019 census age structure projected to election day, joined with the IEBC 2022 register.

Scope

Population (2019)

143,912

Registered voters (2022)

81,453

Voting-age by Aug 2027 (est.)

106,428

Gen-z eligible 2027 (est.)

41,527

39.0% of the 2027 voting-age est.

Gen-z (born 1997-2012)

41,527 eligible

≈ 31,782 of today's registered voters, if registration mirrors the age structure.

Youth (18-34 in 2027)

51,449

The bloc every 2027 campaign is chasing.

Millennials (born 1981-1996)

33,749

Peak-turnout generation in Lamu.

Age structure · Lamu

2019 census population by five-year band.

0-4

18,738

5-9

18,746

10-14

18,473

15-19

15,152

20-24

13,170

25-29

11,636

30-34

10,556

35-39

7,861

40-44

7,086

45-49

5,870

50-54

4,173

55-59

3,768

60-64

2,978

65-69

2,197

70-74

1,738

75-79

800

80-84

517

85-89

226

90-94

125

95-99

100+

Voters by constituency and ward · Lamu

County age share (39.0%) applied to each seat's 2022 registered voters, an estimate, since sub-county age data isn't published.

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Estimated 2027 voting-age population by ward (county age share × 2022 register). Darker = more voting-age residents.

Methodology & sources

Age structure: KNBS 2019 Census (via OCHA COD-PS, data.humdata.org/dataset/cod-ps-ken), from the 2019 census county tables (KNBS via OCHA).
Registered voters: IEBC 2022 General Election register (per ward), the same figures behind every seat page here.
2027 projections age the census cohorts forward to August 2027 (whoever was N years old in 2019 is N+8), ignoring mortality and migration; treat them as estimates.
Gen-z = born 1997-2012; those born by August 2009 are eligible in 2027. Constituency and ward figures apply the county's age share to the seat's registered voters.
These are eligibility and registration figures, never turnout predictions.