Prefecture
The population development of Nagano Prefecture according to census results.
| Name | Abbr. | Status | Native | Capital | Area A-L (km²) | Population Census (Cf) 1995-10-01 | Population Census (Cf) 2000-10-01 | Population Census (Cf) 2005-10-01 | Population Census (Cf) 2010-10-01 | Population Census (Cf) 2015-10-01 | Population Census (Cf) 2020-10-01 | Population Census (Cp) 2025-10-01 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nagano | 20 | Pref | 長野県 | Nagano | 13,562 | 2,193,984 | 2,215,168 | 2,196,114 | 2,152,449 | 2,098,804 | 2,048,011 | 1,954,950 | 1356200 | → |
| Japan | JPN | 日本国 | Tōkyō | 377,980 | 125,570,246 | 126,925,843 | 127,767,994 | 128,057,352 | 127,094,745 | 126,146,099 | 123,049,524 | → |
- Statistics Bureau Japan.
Major Cities
| Name | Population Census (Cp) 2025-10-01 | |
|---|---|---|
| 1 | Nagano | 357,112 |
| 2 | Matsumoto | 232,347 |
| 3 | Ueda | 144,350 |
| 4 | Saku | 97,070 |
| 5 | Azumino | 91,861 |
| 6 | Iida | 90,652 |
| 7 | Shiojiri | 65,496 |
| 8 | Ina | 63,597 |
Contents: Cities & Towns
The population of all cities and towns of Nagano Prefecture with more than 20,000 inhabitants according to census results.
| Name | Status | Native | Population Census (Cf) 1995-10-01 | Population Census (Cf) 2000-10-01 | Population Census (Cf) 2005-10-01 | Population Census (Cf) 2010-10-01 | Population Census (Cf) 2015-10-01 | Population Census (Cf) 2020-10-01 | Population Census (Cp) 2025-10-01 | Area | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Azumino (Hotaka - Toyoshina) | City | 安曇野市 | 88,231 | 92,864 | 96,266 | 96,479 | 95,282 | 94,222 | 91,861 | 33178 | → |
| Chikuma (Kōshoku) | City | 千曲市 | 63,539 | 64,549 | 64,022 | 62,068 | 60,298 | 58,852 | 57,161 | 11979 | → |
| Chino | City | 茅野市 | 52,807 | 54,841 | 57,099 | 56,391 | 55,912 | 56,400 | 54,467 | 26659 | → |
| Iida | City | 飯田市 | 110,204 | 110,589 | 108,624 | 105,335 | 101,581 | 98,164 | 90,652 | 65866 | → |
| Iiyama | City | 飯山市 | 27,423 | 26,420 | 24,960 | 23,545 | 21,438 | 19,539 | 17,700 | 20243 | → |
| Ina | City | 伊那市 | 72,229 | 71,552 | 71,788 | 71,093 | 68,271 | 66,125 | 63,597 | 66793 | → |
| Komagane | City | 駒ヶ根市 | 33,601 | 34,338 | 34,417 | 33,693 | 32,759 | 32,202 | 30,890 | 16586 | → |
| Komoro | City | 小諸市 | 45,692 | 46,158 | 45,499 | 43,997 | 42,512 | 40,991 | 40,217 | 9855 | → |
| Matsumoto | City | 松本市 | 239,539 | 243,465 | 242,541 | 243,037 | 243,293 | 241,145 | 232,347 | 97847 | → |
| Minowa | Town | 箕輪町 | 24,048 | 25,661 | 26,276 | 26,214 | 25,241 | 24,989 | 23,858 | 8591 | → |
| Nagano | City | 長野市 | 387,359 | 387,911 | 386,572 | 381,511 | 377,598 | 372,760 | 357,112 | 83481 | → |
| Nakano | City | 中野市 | 47,529 | 47,845 | 46,788 | 45,638 | 43,909 | 42,338 | 40,248 | 11218 | → |
| Okaya | City | 岡谷市 | 58,056 | 56,401 | 54,699 | 52,841 | 50,128 | 47,790 | 44,535 | 8510 | → |
| Ōmachi | City | 大町市 | 33,655 | 33,550 | 32,145 | 29,801 | 28,041 | 26,029 | 23,950 | 56515 | → |
| Saku | City | 佐久市 | 97,813 | 100,016 | 100,462 | 100,552 | 99,368 | 98,199 | 97,070 | 42351 | → |
| Shimosuwa | Town | 下諏訪町 | 24,535 | 23,930 | 22,863 | 21,532 | 20,236 | 19,155 | 17,636 | 6687 | → |
| Shiojiri | City | 塩尻市 | 64,236 | 67,747 | 68,346 | 67,670 | 67,135 | 67,241 | 65,496 | 28998 | → |
| Suwa | City | 諏訪市 | 52,104 | 53,858 | 53,240 | 51,200 | 50,140 | 48,729 | 46,402 | 10917 | → |
| Suzaka | City | 須坂市 | 53,842 | 54,207 | 53,668 | 52,168 | 50,725 | 49,559 | 47,799 | 14967 | → |
| Tatsuno | Town | 辰野町 | 23,193 | 22,407 | 21,801 | 20,909 | 19,770 | 18,555 | 17,048 | 16920 | → |
| Tōmi (Tōbu) | City | 東御市 | 30,176 | 30,944 | 31,271 | 30,696 | 30,107 | 30,122 | 28,582 | 11237 | → |
| Ueda | City | 上田市 | 164,207 | 166,568 | 163,651 | 159,597 | 156,827 | 154,055 | 144,350 | 55204 | → |
- Statistics Bureau Japan.
Population Structure
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 |