Rock Island, Washington

Rock Island: City in Douglas County, Washington

About

Rock Island is a city located in the county of Douglas in the U.S. state of Washington. Its population at the 2010 census was 788. After 10 years in 2020 city had an estimated population of 1,310 inhabitants.

The city was created 94 years ago in 1929.

Rock Island locator map
Location of Rock Island on Washington map.

Quick Facts about Rock Island

Population : 1,310 (2020)
Country : United States of America
State : Washington (United States)
County : Douglas County
Postal code : 98850
Phone Area Codes : 509
Altitude : 2,110 feet / 643, 196 meters
Establishment : January 01, 1930 (94 years ago)
Time Zone : Pacific Time Zone, UTC−07:00, UTC−08:00
Local time : 00:33:24 (25th November 2024)
Population growth : 39.85% (2010-2020)
Rock Island Washington image
Rock Island Washington
Rock Island Washington image

Geography

Rock Island is located at 47°22'37"N 120°8'38"W (47.3770700, -120.1439500).

Rock Island map

Demographics

The population of Rock Island increased by 39.85% in 10 years.

Year Population % Change Method
2010 788 - census
2011 873 9.74% estimation process
2012 884 1.24% estimation process
2013 889 0.56% estimation process
2014 894 0.56% estimation process
2015 912 1.97% estimation process
2016 959 4.9% estimation process
2017 1,017 5.7% estimation process
2018 1,050 3.14% estimation process
2019 1,124 6.58% estimation process
2020 1,310 14.2% estimation process

Rock Island zip code is 98850. County name: Douglas, County fips: 53017

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Schools in Rock Island

College & universities near Rock Island, WA

Code Name City ZIP
236975 Wenatchee Valley College Wenatchee (WA) 98801-1799
234827 Central Washington University Ellensburg (WA) 98926-7501

Stations (13)

Amtrak & bus stations near Rock Island, WA

Code Name Address Type
WEN Columbia Station Kittitas & South Columbia Sts. RAIL
QUC Quincy, Washington 102 B St NE BUS
EPH Ephrata 24 Alder St NW RAIL
EPR Ephrata, WA 1352 Basin Street SW BUS
LWA Leavenworth 11645 North Rd RAIL

Post offices near Rock Island

Post Office Name City ZIP
Rock Island Post Office Rock Island (WA) 98850

Other places with the same name (3)

Other cities in Douglas County

Cities, towns, neighborhoods & other populated places in Douglas County , WA.

City Name Population Title
East Wenatchee 14,012 City in Douglas County, Washington, United States
East Wenatchee Bench 8,856 Census designated place
Bridgeport 2,585 City in Douglas County, Washington
Waterville 1,197 Town in Douglas County, Washington
Mansfield 337 Town in Douglas County, Washington, United States

Distance to Other Cities

Rock Island distances to largest Washington cities