County in Idaho · 1,900 sq mi · 5 people per sq mi
8,584 people live in Boise County. The typical household earns $78,774, and the median resident is 53.4 years old.
2026 projection
From 7,662 in 2020
Poverty rate 7.72%
Men 54.9 · Women 50.9
1870–2026
8,584
2026 projection
12% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1870–2026
8,584
2026 projection
12% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 8,584 | +39 | 0.46% |
|---|---|---|---|
| 2025 | 8,545 | +39 | 0.46% |
| 2024 | 8,506 | -30 | 0.35% |
| 2023 | 8,536 | +117 | 1.39% |
| 2022 | 8,419 | +273 | 3.35% |
| 2021 | 8,146 | +484 | 6.32% |
| 2020 | 7,662 | -241 | 3.05% |
| 2019 | 7,903 | +214 | 2.78% |
| 2018 | 7,689 | +319 | 4.33% |
| 2017 | 7,370 | +271 | 3.82% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 83 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 13 residents
65% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 65% | 63% | 67% |
| Never married | 15% | 19% | 11% |
| Divorced | 12% | 15% | 9% |
| Widowed | 7% | 3% | 11% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau