ZIP Code 77470
Rock Island, Texas
Location Info
City Rock Island
County Colorado
State Texas (TX)
Latitude 29.52775
Longitude -96.55305
Demographics
Population 414
Median Income $38,977
Housing
Median Rent $N/A/mo
Median Home Value $N/A
Taxes
State Sales Tax 6.25%
Local Sales Tax 1.95%
Combined Rate 8.2%
Climate & Growing
Timezone America/Chicago
Plant Hardiness Zone 9a
Climate Zone 2A