Cowlitz County, Washington demographics
Population: 109,457
Median age: 40.8
Median household income: 64,506
Demographics, population, home values, social and economic characteristics of Cowlitz County, Washington.
Population
| 2021 | 109,457 |
| 2020 | 108,399 |
| 2019 | 106,778 |
| 2018 | 105,112 |
| 2017 | 103,590 |
| 2016 | 102,854 |
| 2015 | 102,338 |
| 2014 | 102,072 |
| 2013 | 102,110 |
| 2012 | 102,138 |
| 2011 | 101,901 |
| 2010 | 101,244 |
| 2009 | 99,874 |
Cowlitz County, WA cities
Castle Rock city - 2,706
Kalama city - 2,888
Kelso city - 12,566
Longview city - 37,542
Longview Heights CDP - 4,377
Ryderwood CDP - 402
Woodland city - 6,368
Census data for Cowlitz County, Washington
Demographic and housing estimates in Cowlitz County, Washington
| Total population | 109,457 |
| Male | 54,499 |
| Female | 54,958 |
| Total population | 109,457 |
| Under 5 years | 6,487 |
| 5 to 9 years | 6,514 |
| 10 to 14 years | 7,762 |
| 15 to 19 years | 6,692 |
| 20 to 24 years | 5,826 |
| 25 to 34 years | 13,607 |
| 35 to 44 years | 13,075 |
| 45 to 54 years | 13,391 |
| 55 to 59 years | 7,319 |
| 60 to 64 years | 8,038 |
| 65 to 74 years | 12,681 |
| 75 to 84 years | 5,650 |
| 85 years and over | 2,415 |
| Median age (years) | 40.8 |
| Under 18 years | 25,053 |
| 16 years and over | 87,207 |
| 18 years and over | 84,404 |
| 21 years and over | 80,934 |
| 62 years and over | 25,879 |
| 65 years and over | 20,746 |
| Total population | 109,457 |
| One race | 101,304 |
| White | 94,877 |
| Black or African American | 983 |
| American Indian and Alaska Native | 1,639 |
| Asian | 1,334 |
| Native Hawaiian and Other Pacific Islander | 279 |
| Some other race | 2,192 |
| Two or more races | 8,153 |
| Citizen, VOTING AGE 18 and over population | 82,181 |
| Male Citizen, VOTING AGE 18 and over population | 40,764 |
| Female Citizen, VOTING AGE 18 and over population | 41,417 |
Social characteristics in Cowlitz County, Washington
| Total households | 42,776 |
| Family households (families) | 20,369 |
| Married-couple family | 4,066 |
| Male householder, no wife present, family | 7,859 |
| Female householder, no husband present, family | 5,910 |
| Nonfamily households | 10,482 |
| Average household size | 14,743 |
| Average family size | 2.53 |
Economic characteristics in Cowlitz County, Washington
| Total households | 42,776 |
| Less than $10,000 | 2,195 |
| $10,000 to $14,999 | 1,678 |
| $15,000 to $24,999 | 3,839 |
| $25,000 to $34,999 | 3,859 |
| $35,000 to $49,999 | 5,353 |
| $50,000 to $74,999 | 7,913 |
| $75,000 to $99,999 | 6,491 |
| $100,000 to $149,999 | 6,422 |
| $150,000 to $199,999 | 2,765 |
| $200,000 or more | 2,261 |
| Median household income (dollars) | 64,506 |
Housing characteristics in Cowlitz County, Washington
| Total housing units | 45,210 |
| Occupied housing units | 42,776 |
| Vacant housing units | 2,434 |
| Total housing units | 45,210 |
| 1-unit, detached | 31,052 |
| 1-unit, attached | 1,050 |
| 2 units | 1,444 |
| 3 or 4 units | 1,107 |
| 5 to 9 units | 1,570 |
| 10 to 19 units | 1,658 |
| 20 or more units | 2,970 |
| Mobile home | 3,980 |
| Boat, RV, van, etc. | 379 |
| Total housing units | 45,210 |
| Built 2014 or later | 148 |
| Built 2010 to 2013 | 2,217 |
| Built 2000 to 2009 | 5,299 |
| Built 1990 to 1999 | 6,794 |
| Built 1980 to 1989 | 3,731 |
| Built 1970 to 1979 | 7,747 |
| Built 1960 to 1969 | 4,886 |
| Built 1950 to 1959 | 4,559 |
| Built 1940 to 1949 | 3,553 |
| Built 1939 or earlier | 6,276 |
| Total housing units | 45,210 |
| 1 room | 1,231 |
| 2 rooms | 1,520 |
| 3 rooms | 2,284 |
| 4 rooms | 8,081 |
| 5 rooms | 8,444 |
| 6 rooms | 8,038 |
| 7 rooms | 5,384 |
| 8 rooms | 4,391 |
| 9 rooms or more | 5,837 |
| Median rooms | 5.6 |
| Total housing units | 45,210 |
| No bedroom | 1,402 |
| 1 bedroom | 4,111 |
| 2 bedrooms | 11,125 |
| 3 bedrooms | 19,665 |
| 4 bedrooms | 7,023 |
| 5 or more bedrooms | 1,884 |
| Occupied housing units | 42,776 |
| Owner-occupied | 28,101 |
| Renter-occupied | 14,675 |
| Average household size of owner-occupied unit | 2.64 |
| Average household size of renter-occupied unit | 2.32 |
| Occupied housing units | 42,776 |
| Moved in 2017 or later | 4,561 |
| Moved in 2015 to 2016 | 14,076 |
| Moved in 2010 to 2014 | 6,455 |
| Moved in 2000 to 2009 | 8,218 |
| Moved in 1990 to 1999 | 5,029 |
| Moved in 1989 and earlier | 4,437 |
| Owner-occupied units | 28,101 |
| Less than $50,000 | 1,285 |
| $50,000 to $99,999 | 1,172 |
| $100,000 to $149,999 | 1,484 |
| $150,000 to $199,999 | 4,311 |
| $200,000 to $299,999 | 8,450 |
| $300,000 to $499,999 | 8,730 |
| $500,000 to $999,999 | 2,272 |
| $1,000,000 or more | 397 |
| Median (dollars) | 270,600 |
| Owner-occupied units | 28,101 |
| Housing units with a mortgage | 18,170 |
| Housing units without a mortgage | 9,931 |
| Occupied units paying rent | 14,020 |
| Less than $500 | 1,089 |
| $500 to $999 | 6,073 |
| $1,000 to $1,499 | 4,657 |
| $1,500 to $1,999 | 1,431 |
| $2,000 to $2,499 | 229 |
| $2,500 to $2,999 | 460 |
| $3,000 or more | 81 |
| Median (dollars) | 987 |
| No rent paid | 655 |
Demographic data for Cowlitz County, WA and each city in the county. Lists of cities by population, wealth and poverty in Cowlitz County, WA.
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