Columbia County, Washington demographics
Population: 3,969
Median age: 50.4
Median household income: 64,688
Demographics, population, home values, social and economic characteristics of Columbia County, Washington.
Population
| 2021 | 3,969 |
| 2020 | 4,024 |
| 2019 | 3,992 |
| 2018 | 4,001 |
| 2017 | 3,999 |
| 2016 | 3,971 |
| 2015 | 3,989 |
| 2014 | 4,031 |
| 2013 | 4,027 |
| 2012 | 4,001 |
| 2011 | 3,988 |
| 2010 | 3,957 |
| 2009 | 3,984 |
Columbia County, WA cities
Dayton city - 2,544
Starbuck town - 159
Census data for Columbia County, Washington
Demographic and housing estimates in Columbia County, Washington
| Total population | 3,969 |
| Male | 1,938 |
| Female | 2,031 |
| Total population | 3,969 |
| Under 5 years | 176 |
| 5 to 9 years | 233 |
| 10 to 14 years | 252 |
| 15 to 19 years | 109 |
| 20 to 24 years | 152 |
| 25 to 34 years | 340 |
| 35 to 44 years | 495 |
| 45 to 54 years | 426 |
| 55 to 59 years | 308 |
| 60 to 64 years | 345 |
| 65 to 74 years | 662 |
| 75 to 84 years | 349 |
| 85 years and over | 122 |
| Median age (years) | 50.4 |
| Under 18 years | 742 |
| 16 years and over | 3,273 |
| 18 years and over | 3,227 |
| 21 years and over | 3,188 |
| 62 years and over | 1,352 |
| 65 years and over | 1,133 |
| Total population | 3,969 |
| One race | 3,588 |
| White | 3,367 |
| Black or African American | 58 |
| American Indian and Alaska Native | 9 |
| Asian | 2 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 152 |
| Two or more races | 381 |
| Citizen, VOTING AGE 18 and over population | 3,123 |
| Male Citizen, VOTING AGE 18 and over population | 1,555 |
| Female Citizen, VOTING AGE 18 and over population | 1,568 |
Social characteristics in Columbia County, Washington
| Total households | 1,849 |
| Family households (families) | 989 |
| Married-couple family | 139 |
| Male householder, no wife present, family | 290 |
| Female householder, no husband present, family | 201 |
| Nonfamily households | 431 |
| Average household size | 791 |
| Average family size | 2.11 |
Economic characteristics in Columbia County, Washington
| Total households | 1,849 |
| Less than $10,000 | 86 |
| $10,000 to $14,999 | 101 |
| $15,000 to $24,999 | 198 |
| $25,000 to $34,999 | 113 |
| $35,000 to $49,999 | 185 |
| $50,000 to $74,999 | 324 |
| $75,000 to $99,999 | 266 |
| $100,000 to $149,999 | 365 |
| $150,000 to $199,999 | 76 |
| $200,000 or more | 135 |
| Median household income (dollars) | 64,688 |
Housing characteristics in Columbia County, Washington
| Total housing units | 2,180 |
| Occupied housing units | 1,849 |
| Vacant housing units | 331 |
| Total housing units | 2,180 |
| 1-unit, detached | 1,795 |
| 1-unit, attached | 67 |
| 2 units | 63 |
| 3 or 4 units | 60 |
| 5 to 9 units | 21 |
| 10 to 19 units | 7 |
| 20 or more units | 9 |
| Mobile home | 156 |
| Boat, RV, van, etc. | 2 |
| Total housing units | 2,180 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 136 |
| Built 2000 to 2009 | 195 |
| Built 1990 to 1999 | 130 |
| Built 1980 to 1989 | 61 |
| Built 1970 to 1979 | 327 |
| Built 1960 to 1969 | 166 |
| Built 1950 to 1959 | 213 |
| Built 1940 to 1949 | 196 |
| Built 1939 or earlier | 756 |
| Total housing units | 2,180 |
| 1 room | 55 |
| 2 rooms | 120 |
| 3 rooms | 156 |
| 4 rooms | 320 |
| 5 rooms | 268 |
| 6 rooms | 344 |
| 7 rooms | 369 |
| 8 rooms | 172 |
| 9 rooms or more | 376 |
| Median rooms | 6.0 |
| Total housing units | 2,180 |
| No bedroom | 68 |
| 1 bedroom | 284 |
| 2 bedrooms | 587 |
| 3 bedrooms | 727 |
| 4 bedrooms | 366 |
| 5 or more bedrooms | 148 |
| Occupied housing units | 1,849 |
| Owner-occupied | 1,328 |
| Renter-occupied | 521 |
| Average household size of owner-occupied unit | 2.10 |
| Average household size of renter-occupied unit | 2.12 |
| Occupied housing units | 1,849 |
| Moved in 2017 or later | 123 |
| Moved in 2015 to 2016 | 436 |
| Moved in 2010 to 2014 | 356 |
| Moved in 2000 to 2009 | 396 |
| Moved in 1990 to 1999 | 340 |
| Moved in 1989 and earlier | 198 |
| Owner-occupied units | 1,328 |
| Less than $50,000 | 69 |
| $50,000 to $99,999 | 118 |
| $100,000 to $149,999 | 201 |
| $150,000 to $199,999 | 258 |
| $200,000 to $299,999 | 336 |
| $300,000 to $499,999 | 284 |
| $500,000 to $999,999 | 39 |
| $1,000,000 or more | 23 |
| Median (dollars) | 207,100 |
| Owner-occupied units | 1,328 |
| Housing units with a mortgage | 691 |
| Housing units without a mortgage | 637 |
| Occupied units paying rent | 476 |
| Less than $500 | 53 |
| $500 to $999 | 314 |
| $1,000 to $1,499 | 84 |
| $1,500 to $1,999 | 9 |
| $2,000 to $2,499 | 16 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 823 |
| No rent paid | 45 |
Demographic data for Columbia County, WA and each city in the county. Lists of cities by population, wealth and poverty in Columbia County, WA.
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