Nagano

Prefecture in Japan

Contents: Subdivision

The population development in Nagano as well as related information and services (Wikipedia, Google, images).

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

Name	Status	Native	Population Census 1995-10-01	Population Census 2000-10-01	Population Census 2005-10-01	Population Census 2010-10-01	Population Census 2015-10-01	Population Census 2020-10-01	Population Census 2025-10-01
Nagano	Prefecture	長野県	2,191,857	2,213,128	2,196,114	2,152,449	2,098,804	2,048,011	1,954,950
Azumino	City (-shi)	安曇野市	88,231	92,864	96,266	96,479	95,282	94,222	91,861	→
Chiisagata	District (-gun)	小県郡	12,889	12,744	12,078	11,389	10,509	9,721	8,924	→
Chikuma	City (-shi)	千曲市	63,539	64,549	64,022	62,068	60,298	58,852	57,161	→
Chino	City (-shi)	茅野市	52,807	54,841	57,099	56,391	55,912	56,400	54,467	→
Hanishina	District (-gun)	埴科郡	16,776	16,830	16,463	15,730	14,871	14,004	12,902	→
Higashichikuma	District (-gun)	東筑摩郡	24,295	24,426	24,136	23,261	22,218	21,060	19,719	→
Iida	City (-shi)	飯田市	110,204	110,589	108,624	105,335	101,581	98,164	90,652	→
Iiyama	City (-shi)	飯山市	27,423	26,420	24,960	23,545	21,438	19,539	17,700	→
Ina	City (-shi)	伊那市	72,229	71,552	71,788	71,093	68,271	66,125	63,597	→
Kamiina	District (-gun)	上伊那郡	83,980	86,534	86,498	85,616	83,275	81,565	77,855	→
Kamiminochi	District (-gun)	上水内郡	28,535	27,073	25,802	24,144	22,197	20,250	18,576	→
Kamitakai	District (-gun)	上高井郡	19,209	19,236	19,131	18,635	17,735	17,277	16,643	→
Kiso	District (-gun)	木曽郡	37,959	36,500	33,823	31,042	28,399	25,476	22,642	→
Kitaazumi	District (-gun)	北安曇郡	32,955	34,127	34,122	32,848	31,707	30,203	28,864	→
Kitasaku	District (-gun)	北佐久郡	36,630	38,202	39,505	41,463	41,443	41,355	41,239	→
Komagane	City (-shi)	駒ヶ根市	33,601	34,338	34,417	33,693	32,759	32,202	30,890	→
Komoro	City (-shi)	小諸市	45,692	46,158	45,499	43,997	42,512	40,991	40,217	→
Matsumoto	City (-shi)	松本市	239,539	243,465	242,541	243,037	243,293	241,145	232,347	→
Minamisaku	District (-gun)	南佐久郡	31,150	30,640	28,989	27,712	25,693	23,871	22,649	→
Nagano	City (-shi)	長野市	387,359	387,911	386,572	381,511	377,598	372,760	357,112	→
Nakano	City (-shi)	中野市	47,529	47,845	46,788	45,638	43,909	42,338	40,248	→
Okaya	City (-shi)	岡谷市	58,056	56,401	54,699	52,841	50,128	47,790	44,535	→
Ōmachi	City (-shi)	大町市	33,655	33,550	32,145	29,801	28,041	26,029	23,950	→
Saku	City (-shi)	佐久市	97,813	100,016	100,462	100,552	99,368	98,199	97,070	→
Shimoina	District (-gun)	下伊那郡	67,810	67,803	66,899	64,169	60,619	57,182	53,120	→
Shimominochi	District (-gun)	下水内郡	2,896	2,638	2,488	2,215	1,953	1,660	1,467	→
Shimotakai	District (-gun)	下高井郡	27,629	26,023	24,275	22,470	20,566	19,006	17,115	→
Shiojiri	City (-shi)	塩尻市	64,236	67,747	68,346	67,670	67,135	67,241	65,496	→
Suwa	City (-shi)	諏訪市	52,104	53,858	53,240	51,200	50,140	48,729	46,402	→
Suwa	District (-gun)	諏訪郡	46,902	46,529	45,847	44,443	42,295	40,919	38,799	→
Suzaka	City (-shi)	須坂市	53,842	54,207	53,668	52,168	50,725	49,559	47,799	→
Tōmi	City (-shi)	東御市	30,176	30,944	31,271	30,696	30,107	30,122	28,582	→
Ueda	City (-shi)	上田市	164,207	166,568	163,651	159,597	156,827	154,055	144,350	→
Nippon [Japan]	State	日本国	125,570,246	126,925,843	127,767,994	128,057,352	127,094,745	126,146,099	123,049,524

Source: Statistics Bureau Japan.

Explanation: The 2025 census results are preliminary.

Further information about the population structure:

Gender (C 2025)
Males	955,707
Females	999,243

Age Groups (C 2020)
0-17 years	304,191
18-64 years	1,057,111
65+ years	646,942

Age Distribution (C 2020)
90+ years	57,167
80-89 years	170,889
70-79 years	279,642
60-69 years	264,751
50-59 years	262,924
40-49 years	280,761
30-39 years	197,882
20-29 years	159,831
10-19 years	182,203
0-9 years	152,194

Citizenship (C 2020)
Japan	1,997,083
Foreign Citizenship	31,491

Contents: Subdivision

Further information about the population structure:

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