Adams County, Washington demographics
Population: 20,353
Median age: 28.3
Median household income: 54,573
Demographics, population, home values, social and economic characteristics of Adams County, Washington.
Population
| 2021 | 20,353 |
| 2020 | 19,702 |
| 2019 | 19,594 |
| 2018 | 19,452 |
| 2017 | 19,261 |
| 2016 | 19,100 |
| 2015 | 19,081 |
| 2014 | 18,951 |
| 2013 | 18,802 |
| 2012 | 18,575 |
| 2011 | 18,289 |
| 2010 | 17,884 |
| 2009 | 17,029 |
Adams County, WA cities
Hatton town - 468
Lind town - 486
Othello city - 8,470
Ritzville city - 1,840
Washtucna town - 182
Census data for Adams County, Washington
Demographic and housing estimates in Adams County, Washington
| Total population | 20,353 |
| Male | 10,423 |
| Female | 9,930 |
| Total population | 20,353 |
| Under 5 years | 1,867 |
| 5 to 9 years | 1,899 |
| 10 to 14 years | 2,358 |
| 15 to 19 years | 1,683 |
| 20 to 24 years | 1,473 |
| 25 to 34 years | 2,591 |
| 35 to 44 years | 2,270 |
| 45 to 54 years | 2,007 |
| 55 to 59 years | 908 |
| 60 to 64 years | 1,020 |
| 65 to 74 years | 1,405 |
| 75 to 84 years | 730 |
| 85 years and over | 142 |
| Median age (years) | 28.3 |
| Under 18 years | 7,239 |
| 16 years and over | 13,876 |
| 18 years and over | 13,114 |
| 21 years and over | 12,053 |
| 62 years and over | 2,823 |
| 65 years and over | 2,277 |
| Total population | 20,353 |
| One race | 18,084 |
| White | 10,964 |
| Black or African American | 73 |
| American Indian and Alaska Native | 464 |
| Asian | 138 |
| Native Hawaiian and Other Pacific Islander | 88 |
| Some other race | 6,357 |
| Two or more races | 2,269 |
| Citizen, VOTING AGE 18 and over population | 9,548 |
| Male Citizen, VOTING AGE 18 and over population | 4,749 |
| Female Citizen, VOTING AGE 18 and over population | 4,799 |
Social characteristics in Adams County, Washington
| Total households | 6,158 |
| Family households (families) | 3,312 |
| Married-couple family | 529 |
| Male householder, no wife present, family | 814 |
| Female householder, no husband present, family | 567 |
| Nonfamily households | 1,503 |
| Average household size | 1,558 |
| Average family size | 3.27 |
Economic characteristics in Adams County, Washington
| Total households | 6,158 |
| Less than $10,000 | 474 |
| $10,000 to $14,999 | 255 |
| $15,000 to $24,999 | 597 |
| $25,000 to $34,999 | 582 |
| $35,000 to $49,999 | 902 |
| $50,000 to $74,999 | 1,254 |
| $75,000 to $99,999 | 1,032 |
| $100,000 to $149,999 | 630 |
| $150,000 to $199,999 | 234 |
| $200,000 or more | 198 |
| Median household income (dollars) | 54,573 |
Housing characteristics in Adams County, Washington
| Total housing units | 6,696 |
| Occupied housing units | 6,158 |
| Vacant housing units | 538 |
| Total housing units | 6,696 |
| 1-unit, detached | 3,966 |
| 1-unit, attached | 186 |
| 2 units | 260 |
| 3 or 4 units | 142 |
| 5 to 9 units | 143 |
| 10 to 19 units | 90 |
| 20 or more units | 195 |
| Mobile home | 1,713 |
| Boat, RV, van, etc. | 1 |
| Total housing units | 6,696 |
| Built 2014 or later | 126 |
| Built 2010 to 2013 | 210 |
| Built 2000 to 2009 | 695 |
| Built 1990 to 1999 | 994 |
| Built 1980 to 1989 | 540 |
| Built 1970 to 1979 | 1,507 |
| Built 1960 to 1969 | 542 |
| Built 1950 to 1959 | 1,021 |
| Built 1940 to 1949 | 171 |
| Built 1939 or earlier | 890 |
| Total housing units | 6,696 |
| 1 room | 148 |
| 2 rooms | 240 |
| 3 rooms | 342 |
| 4 rooms | 1,149 |
| 5 rooms | 1,547 |
| 6 rooms | 1,229 |
| 7 rooms | 627 |
| 8 rooms | 682 |
| 9 rooms or more | 732 |
| Median rooms | 5.4 |
| Total housing units | 6,696 |
| No bedroom | 156 |
| 1 bedroom | 470 |
| 2 bedrooms | 1,547 |
| 3 bedrooms | 3,231 |
| 4 bedrooms | 991 |
| 5 or more bedrooms | 301 |
| Occupied housing units | 6,158 |
| Owner-occupied | 3,831 |
| Renter-occupied | 2,327 |
| Average household size of owner-occupied unit | 3.18 |
| Average household size of renter-occupied unit | 3.41 |
| Occupied housing units | 6,158 |
| Moved in 2017 or later | 598 |
| Moved in 2015 to 2016 | 1,408 |
| Moved in 2010 to 2014 | 1,109 |
| Moved in 2000 to 2009 | 1,731 |
| Moved in 1990 to 1999 | 639 |
| Moved in 1989 and earlier | 673 |
| Owner-occupied units | 3,831 |
| Less than $50,000 | 490 |
| $50,000 to $99,999 | 403 |
| $100,000 to $149,999 | 581 |
| $150,000 to $199,999 | 711 |
| $200,000 to $299,999 | 888 |
| $300,000 to $499,999 | 638 |
| $500,000 to $999,999 | 87 |
| $1,000,000 or more | 33 |
| Median (dollars) | 175,200 |
| Owner-occupied units | 3,831 |
| Housing units with a mortgage | 1,763 |
| Housing units without a mortgage | 2,068 |
| Occupied units paying rent | 2,064 |
| Less than $500 | 283 |
| $500 to $999 | 1,196 |
| $1,000 to $1,499 | 503 |
| $1,500 to $1,999 | 79 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 3 |
| Median (dollars) | 809 |
| No rent paid | 263 |
Demographic data for Adams County, WA and each city in the county. Lists of cities by population, wealth and poverty in Adams County, WA.
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