Rock Island, TX

Census ZIP code profile for Rock Island, TX — 1 ZIPs, total population 338. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Rock Island, TX is covered by 1 USPS ZIP code serving a combined population of 338 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Rock Island splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Rock Island, the median household income averages $43,149 and per-capita income averages $18,657. Poverty rate runs at 8.9% and unemployment at 9.3%. On housing, the average median home value is $122,800 with median rent of per month, and 94.7% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Rock Island against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Rock Island as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

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Income, housing, safety, childcare — all in one view
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1

ZIP Codes

338

Population

$43,149

Median Income

$122,800

Median Home Value

49.2

Median Age

How much do residents of Rock Island earn?

Median Household Income
$43,149
Per Capita Income
$18,657
Unemployment Rate
9.3%
Poverty Rate
8.9%

What does housing look like in Rock Island?

Median Home Value
$122,800
Owner Occupied
94.7%
Housing Units
267

Who lives in Rock Island?

Bachelor's Degree+
10.4%
High School+
55.3%
Foreign Born
0.0%

ZIP Codes in Rock Island, TX

ZIP Code Population Density Timezone
77470 338 5 America/Chicago

Frequently Asked Questions

How many ZIP codes are in Rock Island, TX?
Rock Island, TX has 1 ZIP code with a combined population of 338, based on Census ACS 2023 data.
What is the median household income in Rock Island?
The average median household income across Rock Island, TX ZIP codes is $43,149. The poverty rate is 8.9%.
What is the cost of living in Rock Island?
The average median home value in Rock Island, TX is $122,800. 94.7% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.