Data Last Updated: June 1, 2023

ZIP Codes for City of Rock Island, WA


    
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Counties:	DOUGLAS, WA
Area Code(s):	509
Timezone(s):	Pacific (GMT -08:00)
City Population:	788 (More Details)
CBSA:	Wenatchee, WA
Congressional District(s):	04
Land Area:	1,819 square miles (county)
Water Area:	29 square miles (county)

1 ZIP Code

Rock Island, WA ZIP Code Boundaries

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Rock Island, WA Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
98850	Standard	1,543	100.00%

Rock Island, WA Demographic Information *

Total population**	788
Male population	420
Female population	368
Median age (years)	32.5
White Population	502
Black Population	6
Indian Population	4
Asian Population	1
Hawaiian Population	1
Hispanic Population	405
Median age (Male)	32.1
Median age (Female)	33.1
Total households	262
Family households (families)	179
Average household size	3.01
Average family size	3.66
Total housing units	277

* Demographic data is based on 2010 Census for the City of ROCK ISLAND.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov