ROCK ISLAND is located in COLORADO county, Texas at latitude 29.520292 and longitude -96.573489. The population of ROCK ISLAND is 315 as of the year 2000. The most common zip code of ROCK ISLAND is
77470.
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Population 2000: 315 (2000 Zip Code Based Est.)
Housing Units: 142 (2000 Zip Code Based Est.)
Land Area: 17.5482 square miles
Water Area: 0.0158 square miles
Most populous zip code: 77470
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Cities & Towns nearby Rock Island
Sheridan, TX 5.2mi WSW
Altair, TX 7.4mi ENE
Garwood, TX 9.5mi SE
Glidden, TX 12.5mi N
Columbus, TX 12.9mi N
Alleyton, TX 14.2mi NNE
Eagle Lake, TX 15.4mi ENE
Weimar, TX 17.7mi NW
Cat Spring, TX 20.5mi NNE
Lissie, TX 21.2mi E
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