Idaho · FIPS 16087 · ACS 2020–2024
Washington County, Idaho property tax rate
Homeowners in Washington County paid a median of $1,371 a year in real estate taxes on a median home value of $278,100 (2020–2024 survey). Taxes came to 0.47% of home value, 6% below the Idaho rate of 0.50% and 50% below the U.S. rate of 0.94%.
- 0.47%Effective tax rate±0.07% margin · Idaho: 0.50%
- $1,371Median tax per yearIdaho: $2,038 · U.S.: $3,119
- $278,100Median home valueIdaho: $418,600
- 3,134Owner-occupied homes75% of households own
| Measure | Washington County | Idaho | U.S. | Washington County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 0.47% | 0.50% | 0.94% | 0.52% | −0.05 pts |
| Median tax, all owners | $1,371 | $2,038 | $3,119 | $1,316 | +$55 (+4.2%) |
| Median tax, with a mortgage | $1,647 | $2,106 | $3,489 | $1,582 | +$65 (+4.1%) |
| Median tax, no mortgage | $1,174 | $1,934 | $2,576 | $1,118 | +$56 (+5.0%) |
| Median home value | $278,100 | $418,600 | $332,700 | $250,300 | +$27,800 (+11.1%) |
| Total taxes paid | $5,021,000 | $1,255,617,400 | $360,573,527,500 | $4,664,400 |
How Washington County compares
- Per $1,000 of home value, owners here paid about $4.65 a year, against $4.95 statewide and $9.40 nationally.
- Rank in Idaho: 19 of 36 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 14% of 2,682 counties had a lower rate.
- Homes with a mortgage: 0.45% of value; homes without one: 0.48%. Median bills: $1,647 and $1,174.
- Compared with the 2019–2023 survey, the effective rate fell (−0.05 pts) and the median tax changed +$55 (+4.2%). The two 5-year surveys share four years of responses, so year-to-year moves are small and partly noise.
- Margin of error: the effective rate is 0.47% ± 0.07% at 90% confidence, from a sample of the 3,134 owner-occupied homes.
Idaho counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Gooding County | 0.43% | $1,279 | $250,900 |
| Benewah County | 0.43% | $1,443 | $293,500 |
| Oneida County | 0.46% | $1,207 | $272,000 |
| Jefferson County | 0.47% | $1,824 | $408,400 |
| Bingham County | 0.50% | $1,477 | $293,300 |
| Canyon County | 0.50% | $2,011 | $390,000 |
| Minidoka County | 0.51% | $1,261 | $262,600 |
| Clearwater County | 0.51% | $1,443 | $268,200 |
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table-based summary file: B25090 (aggregate real estate taxes), B25082 (aggregate home value), B25103 (median real estate taxes), B25077 (median home value) and B25003 (tenure); files dated January 29, 2026.
- U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates, same tables (files dated October 31, 2024), for the comparison column.
- Geography names: Census Bureau Geos20245YR.txt (file dated January 22, 2026).
Effective rate = total real estate taxes paid by owner-occupied homes ÷ their total value, as reported by owners to the Census Bureau. It is not a millage rate. Your bill depends on your assessed value, exemptions (such as homestead) and local levies.