United States › Idaho › Washington County COUNTY · 1990 CENSUS
Washington County Idaho · 8,550 residents · 1,453 sq mi
Time machine
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The short version
Washington County is home to 8,550 people in Idaho. The typical home is worth $43,700. About 10% of adults have finished a four-year degree. The median age is 37.0, about 4 years above the US median. That trails the Idaho median by roughly 29%. Households take in $17,917 at the median, 41% less than the US figure.
At a glance
Lower income
below the US median
US median: $30,130
Older
median age 37.0
US median: 33.0
Less educated
10% hold a bachelor's degree
US average: 20%
More affordable
home values down 37%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 39.2 in 2000
US average: 33.0
Population, 1990 – 2024
8K 9K 10K 11K 11K 1990 2000 2010 2020 2024 Washington County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $17,917
−23%inflation adjusted, since 2000
vs $30,625 in 2000
US average: $30,130
vs $15,464 in 2000
US average: $14,340
vs 13.3% in 2000
US average: 13.2%
$43,700
−37%inflation adjusted, since 2000
vs $91,800 in 2000
US average: $93,722
$256
−26%inflation adjusted, since 2000
vs $457 in 2000
US average: $450
vs 73.7% in 2000
28.0% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 83.1%(8,294)
Hispanic / Latino 13.8%(1,372)
1990
White, non-Hispanic 89.7%(7,672)
Hispanic / Latino 10.3%(883)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 20 more ancestry groups with data vs 12.7% in 2000
US average: 20.3%
High school or higher
vs 76.6% in 2000
US average: 75.2%
vs 2.9% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 15.8 min in 2000
US average: 21.9
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status (2024)
Men 15+
Never married 27.7%(1,243)
Women 15+
Never married 23.3%(1,073)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 20.1% in 2013
US average: 8.4%
from 41.5% in 2020
US average: 54.8%
Direct-purchase
from 20.3% in 2020
US average: 13.8%
from 27.4% in 2020
US average: 18.4%
from 15.1% in 2020
US average: 20.9%
VA health care
from 4.8% in 2020
US average: 2.2%
Any private
from 62.8% in 2020
US average: 67.1%
Any public
from 39.7% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 23.6%(172)
Gulf War (1990s) 31.1%(227)
Share of the 730 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Washington County Head to head
Compare Washington County to nearby counties WASHINGTON COUNTY VS
Payette County
Income $67,673 +278%
Home value $341,800 +682%
Population 27,824 +140%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Gem County
Income $64,605 +261%
Home value $428,700 +881%
Population 21,773 +88%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Adams County
Income $61,808 +245%
Home value $376,500 +762%
Population 5,013 −57%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Baker County
Income $60,936 +240%
Home value $285,600 +554%
Population 16,658 +44%
SEE FULL COMPARISON →
Frequently asked
How many people live in Washington County, Idaho? Washington County, Idaho has about 8,550 residents according to the 1990 Census.
What is the median household income in Washington County, Idaho? The typical household in Washington County, Idaho earns about $17,917 a year. Half of households make more than that, and half make less.
Is Washington County, Idaho expensive? In Washington County, Idaho, the median home is worth about $43,700, and the typical rent is about $256 a month.
How educated are people in Washington County, Idaho? About 10.3% of adults age 25 and over in Washington County, Idaho hold a bachelor's degree or higher.
What is the poverty rate in Washington County, Idaho? About 19.6% of people in Washington County, Idaho live below the federal poverty line.
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