County in Idaho · 1,453 sq mi · 8 people per sq mi
11,674 people live in Washington County. The typical household earns $54,000, and the median resident is 45 years old.
2026 projection
From 10,556 in 2020
Poverty rate 15.28%
Men 43.9 · Women 45.7
1880–2026
11,674
2026 projection
10.6% 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.
1880–2026
11,674
2026 projection
10.6% 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 | 11,674 | +91 | 0.79% |
|---|---|---|---|
| 2025 | 11,583 | +91 | 0.79% |
| 2024 | 11,492 | -5 | 0.04% |
| 2023 | 11,497 | +319 | 2.85% |
| 2022 | 11,178 | +276 | 2.53% |
| 2021 | 10,902 | +346 | 3.28% |
| 2020 | 10,556 | +430 | 4.25% |
| 2019 | 10,126 | +56 | 0.56% |
| 2018 | 10,070 | +15 | 0.15% |
| 2017 | 10,055 | +25 | 0.25% |
Showing 10 of 29 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 111 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 7 residents
52% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 52% | 55% | 50% |
| Never married | 26% | 28% | 23% |
| Divorced | 13% | 12% | 15% |
| Widowed | 7% | 2% | 11% |
| Separated | 2% | 3% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau