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COUNTY

Washington County

Idaho · 11,583 residents (2025 est.) · 1,452.852 sq mi
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The short version

Washington County has notably lower household income than the US average, with a median household income of $54,000. Population has held roughly steady since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has roughly tripled since 2000, reaching $278,100. With a median age of 45.0, the population is older than the US median of 38.9. Households here earn about 31% less than the Idaho median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 45.0
US median: 38.9
Less educated
21% hold a bachelor's degree
US average: 36%
Less affordable
home values up 66%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
11,142
+12%since 2000
from 9,977 in 2000
1990 – 2025
Population density
8 / sq mi
+11%since 2009
from 7 / sq mi in 2009
US average: 281
Median age
45.0
+15%since 2000
from 39.2 in 2000
US average: 38.9

PEP 2025 EST:11,583 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
8K9K10K11K11K1990201020202024Washington County
202411K
1990201020202024
Age distribution, 2024
Under 55.2%(578)
US avg: 5.6%
5 to 95.7%(631)
US avg: 6%
10 to 147.6%(842)
US avg: 6.4%
15 to 196.8%(763)
US avg: 6.6%
20 to 244.4%(490)
US avg: 6.5%
25 to 349.4%(1,045)
US avg: 13.7%
35 to 4410.9%(1,216)
US avg: 13.2%
45 to 5410.6%(1,177)
US avg: 12.2%
55 to 6412.9%(1,436)
US avg: 12.7%
65 to 7416.6%(1,845)
US avg: 10.2%
75 to 847.8%(868)
US avg: 5.1%
85 and over2.3%(251)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$54,000
−3%inflation adjusted, since 2000
from $30,625 in 2000
US average: $82,259
1990 – 2024
Per capita income
$30,783
+99%since 2000
from $15,464 in 2000
US average: $44,673
Households earning $100K+
32.4%
+13.7 ptssince 2009
from 18.7% in 2009
US average: 53.3%
Poverty rate
15.3%
+2.0 ptssince 2000
from 13.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.481
+9%since 2010
from 0.443 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade11.9%
US avg: 9.9%
Wholesale trade10.9%
US avg: 6.9%
Agriculture, forestry, fishing9.7%
US avg: 1.6%
Construction9.3%
US avg: 1.2%
Information8.9%
US avg: 10.8%
Finance & insurance4.6%
US avg: 5.9%
Transportation & warehousing3.8%
US avg: 2.2%
Other services3.3%
US avg: 6.7%
Professional, scientific, technical3%
US avg: 5.1%
Arts, entertainment, food2.4%
US avg: 1.9%
Education & health services1.6%
US avg: 0.9%
Public administration1.6%
US avg: 4.8%
Manufacturing0.4%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$278,100
+66%inflation adjusted, since 2000
from $91,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$938
+13%inflation adjusted, since 2000
from $457 in 2000
US average: $1,442
Owner-occupied
74.6%
+0.9 ptssince 2000
from 73.7% in 2000
25.4% rent
Vacancy rate
9.2%
+1.7 ptssince 2009
from 7.6% in 2009
US average: 10.0%
Owner cost-burdened
21.5%
−8.5 ptssince 2009
from 30.0% in 2009
US average: 22.9%
Renter cost-burdened
42.3%
+4.5 ptssince 2009
from 37.8% in 2009
US average: 47.4%
Afford Score
5.2
+32%since 2009
from 3.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
45
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Washington County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic83.1%(8,294)
Black0.1%(10)
Hispanic / Latino13.8%(1,372)
Asian1%(103)
Other0%
2024
White, non-Hispanic77.6%(8,648)
Black0.3%(33)
Hispanic / Latino16.5%(1,843)
Asian0.6%(72)
Other4.9%(546)
Diversity Score
46
+11%since 2009
from 42 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
14
−30%since 2020
from 20 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican15.6%(1,735)
Puerto Rican0.5%(61)
Spaniard0.2%(18)
Panamanian0.1%(12)
Asian origin
Filipino0.4%(49)
Japanese0.2%(18)
Asian Indian0.1%(14)
Ancestry
English17.7%(1,969)
German13%(1,454)
Irish12.6%(1,408)
American6.1%(680)
Swedish3.6%(397)
Scottish3.2%(354)
Dutch1.7%(186)
Italian1.5%(163)
Norwegian1.4%(158)
Danish1.2%(137)
Welsh1.2%(136)
French1.2%(130)
+ 20 more ancestry groups with data
Scotch-Irish0.9%(101)
Greek0.6%(68)
Russian0.6%(63)
Polish0.3%(28)
Canadian0.2%(23)
Portuguese0.2%(21)
Swiss0.2%(18)
British0.1%(15)
Slovak0.1%(12)
Ukrainian0.1%(10)
Armenian0.1%(9)
Romanian0.1%(9)
Haitian0.1%(8)
Finnish0%(5)
Czech0%(4)
Arab0%(2)
RANKED:Largest English population · Largest Mexican population · Largest German population · Largest Irish population · Largest American population
Section 05

Education

Bachelor's degree or higher
20.6%
+7.9 ptssince 2000
from 12.7% in 2000
US average: 35.6%
High school or higher
89.6%
+13.0 ptssince 2000
from 76.6% in 2000
US average: 89.6%
Graduate degree
7.0%
+4.1 ptssince 2000
from 2.9% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
18.6 min
+18%since 2000
from 15.8 min in 2000
US average: 26.5
Drive alone to work
71.2%
+0.2 ptssince 2009
from 71.0% in 2009
US average: 68.9%
Carpooled to work
11.9%
+2.2 ptssince 2009
from 9.7% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
8.3%
+0.9 ptssince 2009
from 7.4% in 2009
US average: 15.0%
Walked to work
4.7%
−2.5 ptssince 2009
from 7.2% in 2009
US average: 2.4%
Biked to work
3.0%
+0.9 ptssince 2009
from 2.1% in 2009
US average: 0.4%
No vehicle available
4.9%
+0.6 ptssince 2009
from 4.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.2%
−3.9 ptssince 2011
from 9.2% in 2011
US average: 5.2%
Labor force participation
47.7%
−8.6 ptssince 2011
from 56.3% in 2011
US average: 63.5%
Self-employed
20.1%
+1.9 ptssince 2009
from 18.2% in 2009
US average: 13.1%
Management & professional
34.2%
−22.3 ptssince 2009
from 56.5% in 2009
US average: 42.5%
Section 08

People & community

Male
50.0%
+0.2 ptssince 2009
from 49.8% in 2009
Female
50.0%
−0.2 ptssince 2009
from 50.2% in 2009
Foreign born
6.4%
−3.4 ptssince 2009
from 9.7% in 2009
US average: 14.1%
Veterans
8.4%
−40.2 ptssince 2009
from 48.7% in 2009
US average: 6.2%
With a disability
18.2%
−0.4 ptssince 2012
from 18.6% in 2012
US average: 13.3%
Uninsured
9.0%
−70.9 ptssince 2013
from 79.9% in 2013
US average: 8.4%
Broadband at home
88.5%
+22.9 ptssince 2017
from 65.6% in 2017
US average: 91.0%
English only at home
86.4%
+0.7 ptssince 2016
from 85.7% in 2016
US average: 77.7%
Spanish at home
12.0%
−1.6 ptssince 2016
from 13.6% in 2016
US average: 13.6%
Marital status
Men 15+
Never married27.7%(1,243)
Married57.8%(2,594)
Widowed2.3%(103)
Divorced12.2%(545)
Women 15+
Never married23.3%(1,073)
Married51%(2,351)
Widowed11.2%(516)
Divorced14.5%(666)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Washington County to nearby counties

WASHINGTON COUNTY VS
Payette County
Income$67,673+25%
Home value$341,800+23%
Population27,824+140%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Gem County
Income$64,605+20%
Home value$428,700+54%
Population21,773+88%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Adams County
Income$61,808+14%
Home value$376,500+35%
Population5,013−57%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Baker County
Income$60,936+13%
Home value$285,600+3%
Population16,658+44%
SEE FULL COMPARISON →
Frequently asked

How many people live in Washington County, Idaho?

Washington County, Idaho has about 11,142 residents according to the 2024 American Community Survey.

What is the median household income in Washington County, Idaho?

The typical household in Washington County, Idaho earns about $54,000 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 $278,100, and the typical rent is about $938 a month.

How educated are people in Washington County, Idaho?

About 20.6% 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 15.3% of people in Washington County, Idaho live below the federal poverty line.

Has Washington County, Idaho grown since 1990?

Yes, Washington County, Idaho has grown since 1990. The population has added about 2,592 residents, a change of about 30 percent over that period.

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Explore from here

3 census tracts
Census Tract 9703Census Tract 9702Census Tract 9701
3 ZIP codes
ZIP 83672ZIP 83610ZIP 83645
Up the hierarchy
All counties in Idaho
Rankings
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

Washington County, Idaho: demographics, income & housing data · CensusEasy