Kenya: Division

Contents: Provinces and Counties

The population of the former provinces and current counties of Kenya.

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, religion).

Name	Status	Population Census 1979-08-24	Population Census 1989-08-24	Population Census 1999-08-24	Population Census 2009-08-24	Population Census 2019-08-24	Population Projection 2023-07-01
Central	Former Province	2,345,833	3,116,703	3,724,159	4,383,743	5,482,239	5,949,219	→
Kiambu	County	686,290	914,412	1,389,723	1,623,282	2,417,735	2,652,880	→
Kirinyaga	County	291,431	391,516	457,105	528,054	610,411	653,112	→
Murang'a	County	648,333	858,063	736,273	942,581	1,056,640	1,112,288	→
Nyandarua	County	233,302	345,420	479,902	596,268	638,289	695,531	→
Nyeri	County	486,477	607,292	661,156	693,558	759,164	835,408	→
Coast	Former Province	1,342,794	1,829,191	2,487,264	3,325,307	4,329,474	4,717,530	→
Kilifi	County	430,986	591,903	825,855	1,109,735	1,453,787	1,577,335	→
Kwale	County	288,363	383,053	496,133	649,931	866,820	944,464	→
Lamu	County	42,299	56,783	72,686	101,539	143,920	167,332	→
Mombasa	County	341,148	461,753	665,018	939,370	1,208,333	1,311,860	→
Taita-Taveta	County	147,597	207,273	246,671	284,657	340,671	363,990	→
Tana River	County	92,401	128,426	180,901	240,075	315,943	352,549	→
Eastern	Former Province	2,719,851	3,768,677	4,631,779	5,668,123	6,821,049	7,281,867	→
Embu	County	263,173	370,138	449,149	516,212	608,599	648,425	→
Isiolo	County	43,478	70,078	100,861	143,294	268,002	315,937	→
Kitui	County	464,283	652,603	819,250	1,012,709	1,136,187	1,229,790	→
Machakos	County	...	...	906,644	1,098,584	1,421,932	1,487,758	→
Makueni	County	...	...	771,545	884,527	987,653	1,042,300	→
Marsabit	County	96,216	129,262	174,957	291,166	459,785	515,292	→
Meru	County	...	...	1,102,930	1,356,301	1,545,714	1,625,982	→
Tharaka-Nithi	County	...	...	306,443	365,330	393,177	416,383	→
Nairobi	Former Province	827,775	1,324,570	2,143,254	3,138,369	4,397,073	4,750,056	→
Nairobi	County	827,775	1,324,570	2,143,254	3,138,369	4,397,073	4,750,056	→
North Eastern	Former Province	373,787	371,391	962,143	2,310,757	2,490,073	2,756,903	→
Garissa	County	128,867	124,835	392,510	623,060	841,353	927,031	→
Mandera	County	105,601	123,787	250,372	1,025,756	867,457	959,236	→
Wajir	County	139,319	122,769	319,261	661,941	781,263	870,636	→
Nyanza	Former Province	2,643,956	3,507,162	4,392,196	5,442,711	6,269,579	6,776,082	→
Homa Bay	County	...	...	751,332	963,794	1,131,950	1,231,659	→
Kisii	County	...	...	952,725	1,152,282	1,266,860	1,344,907	→
Kisumu	County	482,327	664,086	804,289	968,909	1,155,574	1,248,474	→
Migori	County	...	...	666,784	917,170	1,116,436	1,234,082	→
Nyamira	County	...	...	498,102	598,252	605,576	657,502	→
Siaya	County	474,516	639,439	718,964	842,304	993,183	1,059,458	→
Rift Valley	Former Province	3,240,402	4,981,613	6,987,036	10,006,805	12,752,966	13,909,992	→
Baringo	County	203,792	347,990	403,141	555,561	666,763	733,333	→
Bomet	County	...	...	...	730,129	875,689	939,761	→
Elgeyo-Marakwet	County	148,868	216,487	284,494	369,998	454,480	495,239	→
Kajiado	County	149,005	258,659	406,054	687,312	1,117,840	1,268,261	→
Kericho	County	...	...	...	752,396	901,777	954,896	→
Laikipia	County	134,524	218,957	322,187	399,227	518,560	561,223	→
Nakuru	County	522,709	849,096	1,187,039	1,603,325	2,162,202	2,347,849	→
Nandi	County	299,319	433,613	578,751	752,965	885,711	951,460	→
Narok	County	210,306	398,272	536,341	850,920	1,157,873	1,284,204	→
Samburu	County	76,908	108,884	143,547	223,947	310,327	348,298	→
Trans Nzoia	County	259,503	393,682	575,662	818,757	990,341	1,069,039	→
Turkana	County	142,702	184,060	450,860	855,399	926,976	1,022,773	→
Uasin Gishu	County	300,766	445,530	622,705	894,179	1,163,186	1,257,330	→
West Pokot	County	158,652	225,449	308,086	512,690	621,241	676,326	→
Western	Former Province	1,832,663	2,544,329	3,358,776	4,334,282	5,021,843	5,383,936	→
Bungoma	County	503,935	679,146	1,011,524	1,375,063	1,670,570	1,786,973	→
Busia	County	297,841	401,658	552,099	743,946	893,681	968,763	→
Kakamega	County	...	...	1,296,270	1,660,651	1,867,579	2,002,435	→
Vihiga	County	...	...	498,883	554,622	590,013	625,765	→
Kenya	Republic	15,327,061	21,443,636	28,686,607	38,610,097	47,564,296	51,525,602

Source: Kenya National Bureau of Statistics.

Further information about the population structure:

Gender	Persons
Males	25,549,285
Females	25,976,317

Gender (P 2023)
Males	25,549,285
Females	25,976,317

Age Groups	Persons
0-14 years	18,374,515
15-64 years	31,140,323
65+ years	2,010,764

Age Groups (P 2023)
0-14 years	18,374,515
15-64 years	31,140,323
65+ years	2,010,764

Age Distribution	Males	Females
80+ years	235034	269547
70-79 years	397283	460518
60-69 years	728626	788783
50-59 years	1332400	1391071
40-49 years	2366293	2409398
30-39 years	3631031	3644949
20-29 years	4937081	4954926
10-19 years	5704704	5815160
0-9 years	6216833	6241965

Age Distribution (P 2023)
80+ years	504,581
70-79 years	857,801
60-69 years	1,517,409
50-59 years	2,723,471
40-49 years	4,775,691
30-39 years	7,275,980
20-29 years	9,892,007
10-19 years	11,519,864
0-9 years	12,458,798

Urbanization	Persons
Rural	32,732,596
Urban	14,831,700

Urbanization (C 2019)
Rural	32,732,596
Urban	14,831,700

Religion	Persons
Catholic	9,726,169
Protestant	15,777,473
Evangelical	9,648,690
Other Christian	5,226,747
Islam	5,152,194
Hindu	60,287
Traditional	318,727
Other religion	467,083
No religion	755,750

Religion (C 2019)
Catholic	9,726,169
Protestant	15,777,473
Evangelical	9,648,690
Other Christian	5,226,747
Islam	5,152,194
Hindu	60,287
Traditional	318,727
Other religion	467,083
No religion	755,750