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ZIP Code 77470
Rock Island, TX, Colorado County
Population
414
Land area
28.5sq mi
People per sq mi
15
City
Rock Island
ZIP 77470 and nearby ZIP codes
ZIP 77470 at a glance
- ZIP 77470 (Rock Island) is 87% less dense than Texas as a whole.
Local data for ZIP 77470
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
PPP loans
$185K
14 loans
Campaign donations
$335
0% D, 100% R, 2026 cycle
Environment and hazard risk
ZIP 77470, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
212
Countywide, mostly thunderstorm wind
Flood insurance policies
303
3.4% of homes, county
July high / Jan low
96° / 39°F
45.0 inches of rain a year
Health statistics
Share of adults in ZIP 77470, CDC PLACES estimates
Obesity
42.3%
U.S. 33.3% +9.0 pts
Diabetes
18.3%
U.S. 12.1% +6.2 pts
Smoking
20.9%
U.S. 12.8% +8.1 pts
Uninsured (18-64)
18.8%
U.S. 11.1% +7.7 pts
Frequently asked questions
- What city is ZIP code 77470?
- ZIP code 77470 is in Rock Island, TX (Colorado County).
- What county is ZIP code 77470 in?
- ZIP code 77470 is mostly in Colorado County, Texas.
- How many people live in ZIP code 77470?
- About 414 people live in the 77470 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.