Rock Island
in Douglas (Washington)
Contents: City
The population development of Rock Island as well as related information and services (weather, Wikipedia, Google, images).
| Name | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Rock Island | Douglas | 666 | 944 | 1,006 | 1,276 | → |
Source: U.S. Census Bureau (web).
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.
Further information about the population structure:
| Gender (C 2020) | |
|---|---|
| Males | 661 |
| Females | 618 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 341 |
| 18-64 years | 779 |
| 65+ years | 159 |
| Age Distribution (C 2020) | |
|---|---|
| 80+ years | 34 |
| 70-79 years | 66 |
| 60-69 years | 132 |
| 50-59 years | 152 |
| 40-49 years | 139 |
| 30-39 years | 176 |
| 20-29 years | 201 |
| 10-19 years | 194 |
| 0-9 years | 185 |
| Urbanization (C 2020) | |
|---|---|
| Rural | 29 |
| Urban | 1,250 |
| »Race« (C 2020) | |
|---|---|
| White | 645 |
| Black/African American | 9 |
| Indigenous | 16 |
| Pacific Islander | 6 |
| Some other | 361 |
| 2 or more | 242 |
| Ethnicity (C 2020) | |
|---|---|
| Hispanic or Latino | 667 |
| Other | 612 |