Idaho at a glance
Idaho had an estimated 2,029,733 residents on July 1, 2025, the 37th largest population among the 50 states and the District of Columbia.
That is up 10.4% from 1,839,123 in April 2020.
In the year to July 1, 2025, Idaho gained 19,915 residents from other states through migration and gained 2,148 through international migration.
The same year saw 23,695 births and 16,795 deaths, a natural increase of 6,900.
The capital of Idaho is Boise.
Idaho covers 82,645 square miles of land in 44 counties, about 25 people per square mile.
| Capital | Boise |
|---|---|
| Population (2025) | 2,029,733 |
| Change since April 2020 | +190,610 |
| Land area | 82,645 sq mi |
| Counties | 44 |
The July 1 estimate rose from 1,849,328 in 2020 to 2,029,733 in 2025. The largest one-year gain was 55,527 people, in the year to July 1, 2021. On average it changed by +36,081 people a year.
Show the numbers
| Year | Population | Change |
|---|---|---|
| 2025 | 2,029,733 | +28,861 |
| 2024 | 2,000,872 | +30,375 |
| 2023 | 1,970,497 | +27,546 |
| 2022 | 1,942,951 | +38,096 |
| 2021 | 1,904,855 | +55,527 |
| 2020 | 1,849,328 | n/a |