ZipCodeLook
77470

Zip code 77470: Rock Island, Texas

Residential delivery areaColorado CountyCentral Time
Population
414
Small sample: rough estimates
Median household income
$43K
U.S. $81K
Median home value
$123K
U.S. $333K
Median rent
—
U.S. $1,413
Median age
49.2
U.S. 38.9
Land area
29 sq mi
15 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 77470

77470 is a rural zip code in Rock Island, Texas (Colorado County), covering 29 sq mi of land. About 414 people live here, or 15 per square mile. The median resident is 49.2 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $43,149 a year, about 53% of the national median of $80,734. 8.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $122,800, or 2.8 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 95% of occupied homes are lived in by their owners.

10% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 60.3 minutes each way, and 0% of workers work from home. The most common jobs among working residents are in education; sales; and cleaning and personal care.

How 77470 compares

Sorted from highest to lowest national percentile

Only about 414 people live here, so these survey estimates have wide margins of error.

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
49.2
Under 18
23.2%
65 and over
22.7%

Race and ethnicity

  • White97%
  • Black0%
  • Hispanic1%
  • Asian0%
  • Native American2%
  • Pacific Islander0%
  • Other0%
  • Multiracial0%
Diversity index
5.7
U.S. 61.4
Foreign-born
0%
U.S. 14.1%
Born in state
88.4%

Language spoken at home (households)

English only
100%
Spanish
0%
Other Indo-European
0%
Asian / Pacific
0%
Other
0%

Households

Households
187
Average household size
2.2
Family households
76.5%
Married couples
62.6%
Living alone
23.5%
Veterans (of adults)
11.6%
Male / female
65% / 35%

Income and poverty

Household income distribution

<$25k
20%
$25–50k
51%
$50–75k
27%
$75–100k
0%
$100–150k
0%
$150–200k
2%
$200k+
0%

Median household income

77470
$43,149
Colorado Co.
$66,377
Texas
$78,476
United States
$80,734
Per capita income
$18,657
U.S. $44,673
Poverty rate
8.9%
U.S. 12.5%
Households earning $150K+
2.1%
U.S. 23%
Income inequality (Gini)
0.278
U.S. 0.483

Housing

Median home value

77470
$122,800
Colorado Co.
$209,800
Texas
$283,800
United States
$332,700

Median gross rent

77470
—
Colorado Co.
$926
Texas
$1,403
United States
$1,413

Types of housing

Single-family
63%
2–4 units
0%
5–19 units
0%
20+ units
0%
Mobile home
37%
Boat, RV, van
0%
Housing units
267
Owner-occupied
94.7%
Vacant
30%
Median year built
1980
Median rooms
5.1
Renters paying 30%+ of income
—
Renters paying 50%+ of income
—
Home value to income
2.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
100%
Carpooled
0%
Transit
0%
Walked
0%
Bicycle
0%
Worked from home
0%
Other
0%

Commute time (one way)

<10 min
3%
10–19
4%
20–29
53%
30–44
0%
45–59
0%
60+
40%
Average commute
60.3 min
U.S. 26.4 min
Unemployment
9.3%
U.S. 5.2%
In labor force
39.8%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Education
44%
Sales
34%
Cleaning and personal care
12%
Management
6%
Food service
4%
Business and finance
0%
Computer and math
0%
Engineering and science
0%
Legal and social services
0%
Arts, media and sports
0%
Healthcare
0%
Police and fire
0%
Office and admin
0%
Construction and repair
0%
Farming, fishing and forestry
0%
Production
0%
Transportation and moving
0%

Industries

Education
56%
Retail
34%
Wholesale
6%
Restaurants and hotels
4%
Health care and social assistance
0%
Manufacturing
0%
Professional and technical services
0%
Construction
0%
Finance, insurance and real estate
0%
Transportation, warehousing and utilities
0%
Public administration
0%
Admin, support and management
0%
Other services
0%
Information
0%
Arts and recreation
0%
Agriculture and mining
0%
Median earnings per worker
$35,099
U.S. $49,666
Self-employed
0%
U.S. 10%
Government workers
52.8%
U.S. 14.5%
Nonprofit workers
0%
U.S. 8.8%

Median earnings by type of work

Type of work77470U.S.
Management, business, science and arts$19,038$74,888
Service—$26,804
Sales and office—$40,476
Construction and maintenance—$49,199
Production and transportation—$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
8%
High school
45%
Some college
26%
Associate's
11%
Bachelor's
5%
Graduate
6%
High school graduate or higher
92.2%
Bachelor's degree or higher
10.4%
Graduate or professional degree
5.5%
Households with broadband
70.6%
Cable, fiber or DSL
39.6%
No internet access
29.4%
Without health insurance
11.1%
Limited-English households
0%

Geography

City (USPS)
Rock Island
State
Texas
Center point
29.5338° N, 96.5327° W
Land area
29 sq mi
Water area
0.4 sq mi
Time zone
Central Time (UTC-6, UTC-5 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Rock Island (unincorporated)18% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 77470

ZipCityDistanceIncome
77412Altair4.8 mi—
77442Garwood7 mi$70,859
77475Sheridan8.6 mi$63,308
78934Columbus12 mi$58,302
78943Glidden12 mi$98,531
77434Eagle Lake13 mi$71,705
78935Alleyton13 mi—
77460Nada13 mi—
78962Weimar16 mi$71,278
77986Sublime16 mi—
77454Lissie18 mi—
78951Oakland19 mi—

Questions about 77470

What city is zip code 77470?

77470 is assigned to Rock Island, Texas. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 77470 in?

77470 is in Colorado County, Texas.

What is the population of 77470?

About 414 people live in 77470, according to the Census Bureau's American Community Survey.

What time zone is 77470 in?

77470 is in Central Time.

What is the median household income in 77470?

The median household income in 77470 is $43,149.

What zip codes are near 77470?

The closest zip codes to 77470 are 77412, 77442, 77475, 78934, 78943.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 77470, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.