Washington County, Idaho demographics
Population: 10,425
Median age: 44.9
Median household income: 45,065
Demographics, population, home values, social and economic characteristics of Washington County, Idaho.
Population
| 2021 | 10,425 |
| 2020 | 10,128 |
| 2019 | 10,057 |
| 2018 | 10,025 |
| 2017 | 9,996 |
| 2016 | 10,035 |
| 2015 | 10,025 |
| 2014 | 10,068 |
| 2013 | 10,094 |
| 2012 | 10,144 |
| 2011 | 10,153 |
| 2010 | 10,105 |
| 2009 | 10,011 |
Washington County, ID cities
Cambridge city - 331
Midvale city - 271
Weiser city - 5,578
Census data for Washington County, Idaho
Demographic and housing estimates in Washington County, Idaho
| Total population | 10,425 |
| Male | 5,182 |
| Female | 5,243 |
| Total population | 10,425 |
| Under 5 years | 540 |
| 5 to 9 years | 811 |
| 10 to 14 years | 642 |
| 15 to 19 years | 646 |
| 20 to 24 years | 401 |
| 25 to 34 years | 988 |
| 35 to 44 years | 1,194 |
| 45 to 54 years | 1,074 |
| 55 to 59 years | 602 |
| 60 to 64 years | 896 |
| 65 to 74 years | 1,598 |
| 75 to 84 years | 831 |
| 85 years and over | 202 |
| Median age (years) | 44.9 |
| Under 18 years | 2,398 |
| 16 years and over | 8,290 |
| 18 years and over | 8,027 |
| 21 years and over | 7,717 |
| 62 years and over | 3,244 |
| 65 years and over | 2,631 |
| Total population | 10,425 |
| One race | 9,901 |
| White | 8,928 |
| Black or African American | 9 |
| American Indian and Alaska Native | 40 |
| Asian | 22 |
| Native Hawaiian and Other Pacific Islander | 34 |
| Some other race | 868 |
| Two or more races | 524 |
| Citizen, VOTING AGE 18 and over population | 7,620 |
| Male Citizen, VOTING AGE 18 and over population | 3,779 |
| Female Citizen, VOTING AGE 18 and over population | 3,841 |
Social characteristics in Washington County, Idaho
| Total households | 4,112 |
| Family households (families) | 2,024 |
| Married-couple family | 277 |
| Male householder, no wife present, family | 709 |
| Female householder, no husband present, family | 524 |
| Nonfamily households | 1,102 |
| Average household size | 1,792 |
| Average family size | 2.51 |
Economic characteristics in Washington County, Idaho
| Total households | 4,112 |
| Less than $10,000 | 366 |
| $10,000 to $14,999 | 230 |
| $15,000 to $24,999 | 525 |
| $25,000 to $34,999 | 533 |
| $35,000 to $49,999 | 634 |
| $50,000 to $74,999 | 884 |
| $75,000 to $99,999 | 334 |
| $100,000 to $149,999 | 422 |
| $150,000 to $199,999 | 103 |
| $200,000 or more | 81 |
| Median household income (dollars) | 45,065 |
Housing characteristics in Washington County, Idaho
| Total housing units | 4,529 |
| Occupied housing units | 4,112 |
| Vacant housing units | 417 |
| Total housing units | 4,529 |
| 1-unit, detached | 3,286 |
| 1-unit, attached | 49 |
| 2 units | 48 |
| 3 or 4 units | 69 |
| 5 to 9 units | 147 |
| 10 to 19 units | 63 |
| 20 or more units | 162 |
| Mobile home | 705 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 4,529 |
| Built 2014 or later | 2 |
| Built 2010 to 2013 | 220 |
| Built 2000 to 2009 | 593 |
| Built 1990 to 1999 | 547 |
| Built 1980 to 1989 | 551 |
| Built 1970 to 1979 | 807 |
| Built 1960 to 1969 | 417 |
| Built 1950 to 1959 | 293 |
| Built 1940 to 1949 | 283 |
| Built 1939 or earlier | 816 |
| Total housing units | 4,529 |
| 1 room | 22 |
| 2 rooms | 49 |
| 3 rooms | 336 |
| 4 rooms | 809 |
| 5 rooms | 947 |
| 6 rooms | 753 |
| 7 rooms | 534 |
| 8 rooms | 411 |
| 9 rooms or more | 668 |
| Median rooms | 5.6 |
| Total housing units | 4,529 |
| No bedroom | 33 |
| 1 bedroom | 355 |
| 2 bedrooms | 1,194 |
| 3 bedrooms | 2,007 |
| 4 bedrooms | 725 |
| 5 or more bedrooms | 215 |
| Occupied housing units | 4,112 |
| Owner-occupied | 2,979 |
| Renter-occupied | 1,133 |
| Average household size of owner-occupied unit | 2.65 |
| Average household size of renter-occupied unit | 2.12 |
| Occupied housing units | 4,112 |
| Moved in 2017 or later | 513 |
| Moved in 2015 to 2016 | 1,203 |
| Moved in 2010 to 2014 | 672 |
| Moved in 2000 to 2009 | 732 |
| Moved in 1990 to 1999 | 437 |
| Moved in 1989 and earlier | 555 |
| Owner-occupied units | 2,979 |
| Less than $50,000 | 72 |
| $50,000 to $99,999 | 417 |
| $100,000 to $149,999 | 744 |
| $150,000 to $199,999 | 510 |
| $200,000 to $299,999 | 517 |
| $300,000 to $499,999 | 445 |
| $500,000 to $999,999 | 209 |
| $1,000,000 or more | 65 |
| Median (dollars) | 171,300 |
| Owner-occupied units | 2,979 |
| Housing units with a mortgage | 1,612 |
| Housing units without a mortgage | 1,367 |
| Occupied units paying rent | 1,052 |
| Less than $500 | 292 |
| $500 to $999 | 662 |
| $1,000 to $1,499 | 82 |
| $1,500 to $1,999 | 3 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 13 |
| Median (dollars) | 762 |
| No rent paid | 81 |
Demographic data for Washington County, ID and each city in the county. Lists of cities by population, wealth and poverty in Washington County, ID.
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