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Rock Island CDP, TX

ZIP 77470 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 77470

77470 has a population of 381 with a median age of 40.0 yrs (54.3% male).

Race & Ethnicity
White
95.8%+56% vs US avg
x
Black
2.6%-79% vs US avg
x
Asian
0.0%
x
Hispanic
3.1%-83% vs US avg
x
Age Groups
0–17
28.1%+28% vs US avg
x
18–64
50.4%-18% vs US avg
x
65+
21.5%+32% vs US avg
x
Education
Less than HS
10.2%-8% vs US avg
x
High school
31.8%+21% vs US avg
x
Some college
45.8%+59% vs US avg
x
Bachelor's+
12.1%-64% vs US avg
x
Marital Status
Married
59.1%+23% vs US avg
x
Never married
21.5%-36% vs US avg
x
Divorced
17.1%+67% vs US avg
x
Widowed / Separated
2.2%
x
Diversity Index
8/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
22.1%+92% vs US avg
x
Veterans
13.1%+119% vs US avg
x
Disability
14.4%+8% vs US avg
x
Single Parent
23.7%+193% vs US avg
x
Recent Births
0.0%
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 77470

Poverty Rate
22.1%+92% vs US avg
x
Veterans
13.1%+119% vs US avg
x
Single Parent
23.7%+193% vs US avg
x
Disability
14.4%+8% vs US avg
x
Uninsured
11.6%+44% vs US avg
x
SNAP Benefits
7.3%-38% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population381
Median age40.0
Poverty rate22.1%
Demographics statistics
Demographics
White95.8%
Hispanic3.1%
Black2.6%
Asian0.0%