Census place · GEOID 4862732 · Colorado County
Rock Island, TX ZIP codes
1 ZIP/ZCTA intersecting this Census place (CDP) in Colorado County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Rock Island (GEOID 4862732). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 381 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Rock Island, TX

ZIP/ZCTA overlap with Rock Island
Population overlap
Share of each ZIP/ZCTA’s population located within Rock Island, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 7747082.6%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Rock Island
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 77470 | Rock Island | Colorado County | 381 | $38,977 |