77470 ZIP Code, Rock Island, TX
77470 is a ZIP code in Rock Island, Texas in Colorado County. It covers 29 square miles of land. The closest ZIP codes are 77412, 77442 and 77475. 414 people live here in 187 households, fewer than in most Texas ZIP codes. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (95%). Median household income is $43,149, well below the Texas median of $78,476; 51% of households have children under 18.
Quick facts
- Mailing city: Rock Island, TX
- County: Colorado County
- Land area: 29 sq mi
- Population: 414
- Median household income: $43,149
Key figures
| Measure | Value |
|---|---|
| Residents | 414 |
| Households | 187 |
| Median household income | $43,149 |
| Income per person | $18,657 |
| Median age | 49.2 |
| Homeowners | 94.7% |
| Median home value | $122,800 |
| Median rent | not published |
| Bachelor's degree or higher | 10.4% |
| Average commute (minutes) | 60.3 |
| Households with kids under 18 | 50.8% |
| Moved in the past year | 0.0% |
| Below the poverty line | 8.9% |
| Broadband internet | 70.6% |
| Speak a non-English language at home | 0.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 4.3% |
| $10–15K | 15.5% |
| $15–25K | 0.0% |
| $25–35K | 14.4% |
| $35–50K | 36.4% |
| $50–75K | 27.3% |
| $75–100K | 0.0% |
| $100–150K | 0.0% |
| $150–200K | 2.1% |
| $200K+ | 0.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 1.2% |
| 10–19 | 22.0% |
| 20–24 | 2.2% |
| 25–34 | 3.1% |
| 35–44 | 15.0% |
| 45–54 | 31.9% |
| 55–64 | 1.9% |
| 65–74 | 7.7% |
| 75+ | 14.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 22.5% |
| Owned outright | 43.8% |
| Rented | 3.7% |
| Vacant | 30.0% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 62.9% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 37.1% |
EDDM carrier routes
See every USPS carrier route in 77470 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 77412 (4.8 mi)
- 77442 — Nada CDP, TX (7 mi)
- 77475 — Sheridan CDP, TX (8.6 mi)
- 78934 — Columbus city, TX (11.9 mi)
- 78943 — Glidden CDP, TX (12 mi)
- 77434 — Eagle Lake city, TX (12.9 mi)
- 78935 (12.9 mi)
- 77460 — Nada CDP, TX (13 mi)
Areas that include 77470
- Rock Island, TX ZIP codes — 1 ZIP code
- Colorado County ZIP codes — 14 ZIP codes
- Texas ZIP code data
Mail every home in 77470
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 77470, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 77470 in?
- 77470 is a Rock Island, TX mailing address. By land area, 18% lies inside Rock Island; the rest is outside any Census-defined city or community.
- What county is 77470 in?
- 77470 is in Colorado County.
- What is the population of 77470?
- About 414 people (±258), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 276.
- What is the median household income in 77470?
- $43,149 (±$8,239), compared with $78,476 for Texas as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 77470?
- EDDM2GO's stored route library does not include 77470 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 77470?
- The closest, measured center to center: 77412 (4.8 mi), 77442 (7 mi, Nada), 77475 (8.6 mi, Sheridan), 78934 (11.9 mi, Columbus), 78943 (12 mi, Glidden) and 77434 (12.9 mi, Eagle Lake).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.