Rock Island city, Washington demographics
Population: 1,393
Median age: 29.3
Median household income: 50,000
Rock Island is a city in Douglas County, Washington, United States.
Demographics, population, home values, social and economic characteristics of Rock Island city, WA.
Population
| 2021 | 1,393 |
| 2020 | 1,240 |
| 2019 | 953 |
| 2018 | 1,195 |
| 2017 | 1,302 |
| 2016 | 917 |
| 2015 | 856 |
| 2014 | 874 |
| 2013 | 683 |
| 2012 | 689 |
| 2011 | 772 |
| 2010 | 806 |
Census data for Rock Island city, Washington
Demographic and housing estimates in Rock Island city, Washington
| Total population | 1,393 |
| Male | 646 |
| Female | 747 |
| Total population | 1,393 |
| Under 5 years | 114 |
| 5 to 9 years | 118 |
| 10 to 14 years | 129 |
| 15 to 19 years | 140 |
| 20 to 24 years | 115 |
| 25 to 34 years | 166 |
| 35 to 44 years | 204 |
| 45 to 54 years | 136 |
| 55 to 59 years | 118 |
| 60 to 64 years | 17 |
| 65 to 74 years | 84 |
| 75 to 84 years | 33 |
| 85 years and over | 19 |
| Median age (years) | 29.3 |
| Under 18 years | 463 |
| 16 years and over | 999 |
| 18 years and over | 930 |
| 21 years and over | 892 |
| 62 years and over | 143 |
| 65 years and over | 136 |
| Total population | 1,393 |
| One race | 1,326 |
| White | 796 |
| Black or African American | 20 |
| American Indian and Alaska Native | 4 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 506 |
| Two or more races | 67 |
| Citizen, VOTING AGE 18 and over population | 706 |
| Male Citizen, VOTING AGE 18 and over population | 382 |
| Female Citizen, VOTING AGE 18 and over population | 324 |
Social characteristics in Rock Island city, Washington
| Total households | 436 |
| Family households (families) | 217 |
| Married-couple family | 44 |
| Male householder, no wife present, family | 55 |
| Female householder, no husband present, family | 46 |
| Nonfamily households | 120 |
| Average household size | 109 |
| Average family size | 3.19 |
Economic characteristics in Rock Island city, Washington
| Total households | 436 |
| Less than $10,000 | 2 |
| $10,000 to $14,999 | 21 |
| $15,000 to $24,999 | 53 |
| $25,000 to $34,999 | 45 |
| $35,000 to $49,999 | 97 |
| $50,000 to $74,999 | 95 |
| $75,000 to $99,999 | 100 |
| $100,000 to $149,999 | 18 |
| $150,000 to $199,999 | 3 |
| $200,000 or more | 2 |
| Median household income (dollars) | 50,000 |
Housing characteristics in Rock Island city, Washington
| Total housing units | 450 |
| Occupied housing units | 436 |
| Vacant housing units | 14 |
| Total housing units | 450 |
| 1-unit, detached | 278 |
| 1-unit, attached | 0 |
| 2 units | 0 |
| 3 or 4 units | 0 |
| 5 to 9 units | 0 |
| 10 to 19 units | 0 |
| 20 or more units | 0 |
| Mobile home | 153 |
| Boat, RV, van, etc. | 19 |
| Total housing units | 450 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 73 |
| Built 2000 to 2009 | 37 |
| Built 1990 to 1999 | 50 |
| Built 1980 to 1989 | 72 |
| Built 1970 to 1979 | 121 |
| Built 1960 to 1969 | 58 |
| Built 1950 to 1959 | 19 |
| Built 1940 to 1949 | 14 |
| Built 1939 or earlier | 6 |
| Total housing units | 450 |
| 1 room | 9 |
| 2 rooms | 27 |
| 3 rooms | 17 |
| 4 rooms | 109 |
| 5 rooms | 186 |
| 6 rooms | 44 |
| 7 rooms | 55 |
| 8 rooms | 0 |
| 9 rooms or more | 3 |
| Median rooms | 4.8 |
| Total housing units | 450 |
| No bedroom | 9 |
| 1 bedroom | 39 |
| 2 bedrooms | 87 |
| 3 bedrooms | 265 |
| 4 bedrooms | 47 |
| 5 or more bedrooms | 3 |
| Occupied housing units | 436 |
| Owner-occupied | 351 |
| Renter-occupied | 85 |
| Average household size of owner-occupied unit | 3.20 |
| Average household size of renter-occupied unit | 3.18 |
| Occupied housing units | 436 |
| Moved in 2017 or later | 32 |
| Moved in 2015 to 2016 | 139 |
| Moved in 2010 to 2014 | 69 |
| Moved in 2000 to 2009 | 112 |
| Moved in 1990 to 1999 | 43 |
| Moved in 1989 and earlier | 41 |
| Owner-occupied units | 351 |
| Less than $50,000 | 31 |
| $50,000 to $99,999 | 53 |
| $100,000 to $149,999 | 37 |
| $150,000 to $199,999 | 76 |
| $200,000 to $299,999 | 99 |
| $300,000 to $499,999 | 55 |
| $500,000 to $999,999 | 0 |
| $1,000,000 or more | 0 |
| Median (dollars) | 182,100 |
| Owner-occupied units | 351 |
| Housing units with a mortgage | 226 |
| Housing units without a mortgage | 125 |
| Occupied units paying rent | 81 |
| Less than $500 | 15 |
| $500 to $999 | 40 |
| $1,000 to $1,499 | 21 |
| $1,500 to $1,999 | 5 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 829 |
| No rent paid | 4 |
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